Thorlabs Inc.
Visit the High-Magnification Zoom Lens Systems for Machine Vision page for pricing and availability information

High-Magnification Zoom Lens Systems for Machine Vision

  • Zoom Lenses Supporting Magnifications from 0.07 to 28.00
  • Compatible with Thorlabs’ sCMOS and CMOS Cameras
  • External C-Mount Threads or F-Mount Bayonet Mount

MVL12X3Z

12X Zoom Lens

MVL133A

1.33X Extension Tube

MVL6X15L

1.5X Lens Attachment

MVL6X12M

6.5X Motorized Zoom Lens

MVLZC

Motorized Zoom Lens Controller

MVL6X8C

Fiber Input Attachment

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OVERVIEW

Zoom Lens Exploded
Click for Details
Figure 1.1  Our zoom lens system features (from Left to Right) one magnifying lens attachment (optional), zoom lens, extension tube, C-mount adapter, and 2/3" sensor format camera.
Motorized Zoom Lens System
Click to Enlarge
[APPLIST]
[APPLIST]
Figure 1.2  A Motorized Zoom Lens System

Features

  • Modular Zoom Lens System for Machine Vision and Other Imaging Applications
    • Versions for Manual or Motorized Adjustment Available
  • 6.5X System Provides Magnifications from 0.09 to 18.00 (Core Lens has a 6.5X Magnification Adjustment Range)
  • 12X System Provides Magnifications from 0.07 to 28.00 (Core Lens has a 12X Magnification Adjustment Range)
  • Working Distances from 36 mm to 341 mm
  • Designed for our C-Mount 2/3" Sensor Format Cameras
  • Compatible with SM1-Threaded Components Through the Use of C-Mount to SM1 Adapters
  • 0.15 mm to 93.62 mm Field of View (See the Field of View Tab for Details)

Thorlabs' Zoom Lenses are ideal for high-magnification machine vision and imaging applications, providing an optimal balance between optical performance and a large zoom range. These zoom lenses must be used with an extension tube (sold below), and can optionally be used with the appropriate 6.5X or 12X system magnifying lens attachment (also sold below). Each zoom lens is available with either manual or motorized adjustment, with a separate controller for the motorized versions (sold below). More information on the connections and specifications of the motorized zoom lenses can be found in the Motorized Lenses tab.

Our modular system consists of a 0.7 - 4.5X zoom lens (6.5X zoom range) or 0.58 - 7X zoom lens (12X zoom range), along with 0.50X, 0.67X, 1X, 1.33X, and 2X extension tubes and optional 0.25X, 0.5X, 0.75X, 1.5X, and 2.0X magnifying lens adapters. Together, these components allow our 6.5X systems to provide a net magnification of 0.09 - 18.00 with a 6.5X magnification adjustment range, and they allow our 12X systems to provide a net magnification of 0.07 - 28.00 with a 12X magnification adjustment range. The magnification adjuster (zoom) for the manual zoom lenses is a recessed rotating collar on the barrel of the lens, which allows the magnification to be adjusted even when the lens is mounted in a V-clamp. Please note that only one magnifying lens attachment may be used at a time.

Magnification Calculation
The net magnification, M, of the system (M = image size / object size) is equal to the magnification of the magnifying lens attachment, multiplied by the magnification of the zoom lens (at its current setting), multiplied by the magnification of the extension tube. For example, the 12X zoom lens can be set to a magnification between 0.58X and 7X (corresponding to a 12X zoom range). If it is used at its maximum magnification setting of 7X, along with a 2X lens attachment and a 2X extension tube, the maximum system magnification of 2 x 7 x 2 = 28 is realized. See the Specs tab for the maximum and minimum magnifications of each lens combination.

The MVLCMC C-mount adapter is available for attaching these lenses to cameras that use a standard C-mount. The MVL20FA 2X extension tube with an F-Mount bayonet mount is also available. Please note that the zoom lenses must be used with an extension tube (or the image will not be able to be focused), while the magnifying lens adapters are optional. Additionally, when used with our C-mount to SM1 adapters, the zoom lenses sold on this page can be integrated with Thorlabs' SM1-threaded optomechanics.

Thorlabs also offers Standard C-Mount Machine Vision Lenses.


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SPECS

Lens
Attachment		 Zoom
Lens		 Extension
Tube		 Working
Distance		 System
Magnification		 Objective
NA		 Resolving
Limit		 Matching Pixel
Sizea (µm)		 Depth
of Field
Lowb Highb Low High Low High Low High Low High
6.5X Zoom Lens
MVL6X025L (0.25X) MVL6X3Zc,
MVL6X3Mc,
MVL6X12Z, or
MVL6X12M (6.5X)		 MVL05A (0.5X) 300 mm 0.09 0.56 0.006 0.018 55.56 µm 18.52 µm 2.50 5.19 13.89 mm 1.54 mm
MVL067A (0.67X) 0.12 0.75 3.33 6.95
MVL10A or MVL10TA (1.00X) 0.18 1.13 5.00 10.46
MVL133A (1.33X) 0.24 1.50 6.67 13.89
MVL20A or MVL20FA (2X) 0.35 2.25 9.72 20.84
MVL6X05L (0.50X) MVL05A (0.5X) 175 mm 0.18 1.13 0.011 0.035 30.30 µm 9.52 µm 2.73 5.38 4.13 mm 0.41 mm
MVL067A (0.67X) 0.24 1.50 3.64 7.14
MVL10A or MVL10TA (1.00X) 0.35 2.25 5.30 10.71
MVL133A (1.33X) 0.46 2.99 6.97 14.23
MVL20A or MVL20FA (2X) 0.70 4.50 10.61 21.42
MVL6X075L (0.75X) MVL05A (0.5X) 113 mm 0.27 1.69 0.017 0.053 19.60 µm 6.28 µm 2.65 5.31 1.73 mm 0.18 mm
MVL067A (0.67X) 0.35 2.25 3.43 7.07
MVL10A or MVL10TA (1.00X) 0.53 3.38 5.19 10.61
MVL133A (1.33X) 0.70 4.49 6.86 14.10
MVL20A or MVL20FA (2X) 1.05 6.75 10.29 21.20
None MVL05A (0.5X) 92 mm 0.35 2.25 0.023 0.071 14.50 µm 4.70 µm 2.54 5.29 0.95 mm 0.1 mm
MVL067A (0.67X) 0.47 3.00 3.41 7.05
MVL10A or MVL10TA (1.00X) 0.70 4.50 5.08 10.58
MVL133A (1.33X) 0.93 5.89 6.74 13.84
MVL20A or MVL20FA (2X) 1.40 9.00 10.15 21.15
MVL6X15L (1.5X) MVL05A (0.5X) 51 mm 0.53 3.38 0.034 0.106 9.80 µm 3.14 µm 2.60 5.31 0.43 mm 0.04 mm
MVL067A (0.67X) 0.71 4.50 3.48 7.07
MVL10A or MVL10TA (1.00X) 1.05 6.75 5.15 10.60
MVL133A (1.33X) 1.40 8.98 6.86 14.10
MVL20A or MVL20FA (2X) 2.10 13.50 10.29 21.20
MVL6X20L (2.0X) MVL05A (0.5X) 36 mm 0.70 4.50 0.040 0.142 7.24 µm 2.34 µm 2.53 5.27 0.24 mm 0.02 mm
MVL067A (0.67X) 0.94 6.00 3.40 7.02
MVL10A or MVL10TA (1.00X) 1.40 9.00 5.07 10.53
MVL133A (1.33X) 1.86 11.97 6.73 14.00
MVL20A or MVL20FA (2X) 2.80 18.00 10.14 21.06
Lens
Attachment		 Zoom
Lens		 Extension
Tube		 Working
Distance		 System
Magnification		 Objective
NA		 Resolving
Limit		 Matching Pixel
Sizea (µm)		 Depth
of Field
Lowb Highb Low High Low High Low High Low High
12X Zoom Lens
MVL12X025L (0.25X) MVL12X3Zd,
MVL12X3Md,
MVL12X12Z, or
MVL12X12M (12X)		 MVL05A (0.5X) 341 mm 0.07 0.87 0.005 0.025 66.66 µm 13.34 µm 2.33 5.80 20.00 mm 0.80 mm
MVL067A (0.67X) 0.10 1.20 3.33 8.00
MVL10A or MVL10TA (1.00X) 0.15 1.75 5.00 11.67
MVL133A (1.33X) 0.19 2.33 6.33 15.54
MVL20A or MVL20FA (2X) 0.29 3.50 9.67 23.35
MVL12X05L (0.50X) MVL05A (0.5X) 165 mm 0.14 1.75 0.009 0.051 37.04 µm 6.66 µm 2.59 5.83 6.17 mm 0.19 mm
MVL067A (0.67X) 0.20 2.40 3.70 7.99
MVL10A or MVL10TA (1.00X) 0.29 3.50 5.37 11.66
MVL133A (1.33X) 0.39 4.66 7.22 15.52
MVL20A or MVL20FA (2X) 0.58 7.00 10.74 23.31
MVL12X075L (0.75X) MVL05A (0.5X) 108 mm 0.22 2.62 0.014 0.076 23.80 µm 4.44 µm 2.62 5.82 2.55 mm 0.09 mm
MVL067A (0.67X) 0.29 3.50 3.45 7.77
MVL10A or MVL10TA (1.00X) 0.44 5.30 5.24 11.77
MVL133A (1.33X) 0.58 6.98 6.90 15.50
MVL20A or MVL20FA (2X) 0.87 10.50 10.35 23.31
None MVL05A (0.5X) 86 mm 0.29 3.49 0.019 0.101 18.52 µm 3.34 µm 2.69 5.83 1.39 mm 0.05 mm
MVL067A (0.67X) 0.39 4.70 3.61 7.85
MVL10A or MVL10TA (1.00X) 0.58 7.00 5.37 11.69
MVL133A (1.33X) 0.77 9.31 7.13 15.55
MVL20A or MVL20FA (2X) 1.16 14.00 10.74 23.38
MVL12X15L (1.5X) MVL05A (0.5X) 50 mm 0.43 5.23 0.028 0.151 12.34 µm 2.24 µm 2.65 5.86 0.64 mm 0.02 mm
MVL067A (0.67X) 0.58 7.00 3.58 7.84
MVL10A or MVL10TA (1.00X) 0.87 10.50 5.37 11.76
MVL133A (1.33X) 1.16 14.00 7.16 15.68
MVL20A or MVL20FA (2X) 1.74 21.00 10.74 23.52
MVL12X20L (2.0X) MVL05A (0.5X) 37 mm 0.58 6.98 0.038 0.202 9.00 µm 1.66 µm 2.61 5.79 0.35 mm 0.01 mm
MVL067A (0.67X) 0.78 9.40 3.51 7.80
MVL10A or MVL10TA (1.00X) 1.16 14.00 5.22 11.62
MVL133A (1.33X) 1.54 18.60 6.93 15.44
MVL20A or MVL20FA (2X) 2.32 28.00 10.44 23.24
  • Matching pixel size is that which will permit the minimum feature size to overlap two pixels. [Pixel Size = 1/2(Feature Size x System Magnification)]. If the matching pixel size is greater than the camera pixel size, the system is "lens limited". If the matching pixel size is less than the camera pixel size, the system is "camera limited".
  • Refers to the zoom setting of the lens.
  • The MVL6X3Z and MVL6X3M Zoom Lenses with Coaxial Illumination port are fully compatible with the MVL6X15L 1.5X and MV6X20L 2X Magnifying Lens Attachments. While the MVL6X3Z and MVL6X3M can be used with the MVL6X025L 0.25X, MVL6X05L 0.5X, and MVL6X075L 0.75X Magnifying Lens Attachments, there will be some vignetting.
  • The MVL12X3Z and MVL12X3M Zoom Lenses with Coaxial Illumination port are fully compatible with the MVL12X15L 1.5X and MV12X20L 2X Magnifying Lens Attachments. While the MVL12X3Z and MVL12X3M can be used with the MVL12X025L 0.25X, MVL12X05L 0.5X, and MVL12X075L 0.75X Magnifying Lens Attachments, there will be some vignetting.

Hide 6.5X System

6.5X SYSTEM

6.5X System Diagram

*The MVL6X3Z and MVL6X3M Zoom Lenses with Coaxial Illumination port are fully compatible with the MVL6X15L 1.5X and MV6X20L 2X Magnifying Lens Attachments. While these zoom lenses can be used with the MVL6X025L 0.25X, MVL6X05L 0.5X, and MVL6X075L 0.75X Magnifying Lens attachments, there will be some vignetting.

**The MVL6X8C Fiber Input Attachment is compatible with the illumination port of the MVL6X3M Motorized Zoom Lens and is available separately.


Hide 12X System

12X SYSTEM

12X System Diagram

*The MVL12X3Z and MVL12X3M Zoom Lenses with Coaxial Illumination port are fully compatible with the MVL12X15L 1.5X and MV12X20L 2X Magnifying Lens Attachments. While these zoom lenses can be used with the MVL12X025L 0.25X, MVL12X05L 0.5X, and MVL12X075L 0.75X Magnifying Lens attachments, there will be some vignetting.

**The MVL12X8C Fiber Input Attachment is compatible with the illumination port of the MVL12X3M Motorized Zoom Lens and is available separately.


Hide Field of View

FIELD OF VIEW

Lens
Attachment		 Zoom
Lens		 WD Camera
Format		 Field of View (mm)a
0.5X Extension
Tube MVL05A		 0.67X Extension
Tube MVL067A		 1X Extension
Tube MVL10(T)A		 1.33X Extension
Tube MVL133A		 2X Extension
Tube MVL20(F)A
Lowb Highb Low High Low High Low High Low High
6.5X Zoom Lens
MVL6X025L
(0.25X)		 MVL6X3Z,
MVL6X3M,
MVL6X12Z, or
MVL6X12M (6.5X)		 300 mm 1/4" 45.70 7.12 34.03 5.33 22.85 3.56 17.18 2.68 11.42 1.78
1/3" 68.64 10.64 51.12 8.04 34.52 5.32 25.80 4.0 17.16 2.66
1/2" 91.36 14.16 68.06 10.66 45.68 7.08 34.34 5.32 22.84 3.54
2/3" 91.40 19.52 93.62 14.66 62.84 9.76 47.25 7.34 31.42 4.88
MVL6X05L
(0.50X)		 175 mm 1/4" 22.85 3.56 17.02 2.66 11.42 1.78 8.59 1.34 5.71 0.89
1/3" 34.32 5.32 25.56 4.0 17.16 2.67 12.90 2.01 8.58 1.33
1/2" 45.68 7.08 34.03 5.33 22.85 3.56 17.18 2.68 11.42 1.77
2/3" 45.70 9.76 46.81 7.33 31.43 4.89 23.63 3.68 15.71 2.44
MVL6X075L
(0.75X)		 113 mm 1/4" 15.22 2.38 11.34 1.78 7.61 1.19 5.72 0.89 3.81 0.59
1/3" 22.86 3.56 17.04 2.67 11.43 1.78 8.59 1.34 5.72 0.89
1/2" 30.46 4.74 22.69 3.56 15.23 2.37 11.45 1.78 7.62 1.19
2/3" 30.50 6.52 31.21 4.89 20.95 3.26 15.75 2.45 10.48 1.63
None 92 mm 1/4" 11.42 1.78 8.51 1.33 5.71 0.89 4.29 0.67 2.86 0.45
1/3" 17.16 2.67 12.77 2.01 8.58 1.33 6.45 1.0 4.29 0.67
1/2" 22.85 3.56 17.01 2.67 11.42 1.77 8.59 1.33 5.71 0.89
2/3" 22.90 4.89 23.40 3.65 15.71 2.44 11.81 1.83 7.86 1.22
MVL6X15L
(1.5X)		 51 mm 1/4" 7.61 1.19 5.67 0.89 3.81 0.59 2.86 0.44 1.91 0.30
1/3" 11.43 1.78 8.52 1.33 5.72 0.89 4.3 0.67 2.86 0.44
1/2" 15.23 2.37 11.34 1.77 7.62 1.19 5.73 0.89 3.81 0.59
2/3" 15.00 3.26 15.60 2.44 10.48 1.63 7.88 1.22 5.24 0.81
MVL6X20L
(2.0X)		 36 mm 1/4" 5.71 0.89 4.26 0.67 2.86 0.45 2.15 0.35 1.43 0.23
1/3" 8.58 1.33 6.39 1.00 4.29 0.67 3.22 0.50 2.15 0.33
1/2" 11.42 1.77 8.51 1.33 5.71 0.89 4.29 0.67 2.86 0.44
2/3" 11.40 2.44 11.70 1.83 7.86 1.22 5.91 0.92 3.93 0.61
Lens
Attachment		 Zoom
Lens		 WD Camera
Format		 Field of View (mm)a
0.5X Extension
Tube MVL05A		 0.67X Extension
Tube MVL067A		 1X Extension
Tube MVL10(T)A		 1.33X Extension
Tube MVL133A		 2X Extension
Tube MVL20(F)A
Lowb Highb Low High Low High Low High Low High
12X Zoom Lens
MVL12X025L
(0.25X)		 MVL12X3Z,
MVL12X3M,
MVL12X12Z, or
MVL12X12M (12X)		 341 mm 1/4" 57.14 4.59 41.16 3.40 27.60 2.28 21.05 1.72 13.9 1.14
1/3" 85.71 6.89 61.73 5.10 41.38 3.42 31.57 2.57 20.69 1.71
1/2" - - 82.32 6.80 55.16 4.56 42.10 3.43 27.58 2.28
2/3" - - 72.00c 9.35 75.88 6.28 57.89 4.72 37.94 3.14
MVL12X05L
(0.50X)		 165 mm 1/4" 28.57 2.28 20.58 1.70 13.79 1.14 10.25 0.86 6.90 0.76
1/3" 42.85 3.42 30.87 2.55 20.69 1.71 15.38 1.29 10.34 0.86
1/2" - - 41.16 3.40 27.58 2.28 20.51 1.72 13.79 1.14
2/3" - - 36.0c 4.68 37.94 3.14 28.20 2.36 18.97 1.57
MVL12X075L
(0.75X)		 108 mm 1/4" 18.18 1.52 13.72 1.14 9.19 0.76 6.89 0.57 4.60 0.38
1/3" 27.27 2.29 20.58 1.70 13.79 1.14 10.34 0.85 6.89 0.57
1/2" - - 27.44 2.27 18.34 1.52 13.79 1.14 9.19 0.76
2/3" - - 24.30c 3.12 25.30 2.09 18.96 1.57 12.64 1.05
None 86 mm 1/4" 13.79 1.14 10.29 0.85 6.90 0.57 5.19 0.43 3.45 0.29
1/3" 20.69 1.72 15.44 1.28 10.34 0.86 7.79 0.64 5.18 0.43
1/2" - - 20.58 1.70 13.79 1.14 10.39 0.86 6.90 0.57
2/3" - - 18.20c 2.34 18.97 1.57 14.28 1.18 9.49 0.78
MVL12X15L
(1.5X)		 50 mm 1/4" 9.30 0.76 6.86 0.57 4.60 0.38 3.44 0.28 2.30 0.19
1/3" 13.95 1.14 10.29 0.85 6.89 0.57 5.17 0.44 3.45 0.29
1/2" - - 13.72 1.13 9.19 0.76 6.89 0.57 4.60 0.38
2/3" - - 12.20c 1.55 12.64 1.05 9.48 0.78 6.33 0.52
MVL12X20L
(2.0X)
37 mm		 1/4" 6.89 0.57 5.14 0.43 3.45 0.29 2.59 0.21 1.73 0.15
1/3" 10.34 0.85 7.72 0.64 5.18 0.43 3.89 0.32 2.59 0.22
1/2" - - 10.29 0.85 6.90 0.57 5.19 0.43 3.45 0.29
2/3" - - 9.10c 1.17 9.49 0.78 7.14 0.59 4.75 0.40
  • The above fields of view are measured diagonally across the sensor. (Horizontal = Diagonal x 0.8 and Vertical = Diagonal x 0.6).
  • Refers to the magnification setting of the zoom lens.
  • Vignetting occurs at zoom settings of less than 0.9X.

Hide Motorized Lenses

MOTORIZED LENSES

Motorized Zoom Lens Specifications

Specifications for the zoom and focus motors of the motorized zoom lenses are given in the table below.

Motorized Zoom Lens Specificationsa
Characteristic Zoom  Focus
Minimum Incremental Movement 1 Step
Rangeb 6.5X Lenses: 7000 Steps
12X Lenses: 9000 Steps		 12 mm Focus: 3000 Steps
3 mm Focus: 1000 Steps
Backlash 20 Steps
Magnification Repeatability Over
50 Cycles at 2500 Steps/s		 0.20% N/A
Magnification Repeatability with Periodic Homing
 0.15% N/A
Max Velocity 2500 Steps/s
Max Acceleration 200 Steps/s2
  • These values are utilized by the MVLZC controller and accompanying software to achieve the input magnification and focus position.
  • The range may vary from lens to lens.

Motorized Zoom Lens Connections

Each motorized zoom lens has two motors, one for adjusting the zoom and one for adjusting the focus, that are controlled via 9-pin, D-sub male connectors at the end of the attached cables. These connectors can be attached to the 9-pin, D-sub female connectors on the front panel of the MVLZC controller. The MVLZC controller has a USB Type-B port on the back panel for connection to a PC; a USB Type-B to Type-A cable is included with the controller.

Motorized Zoom Lens Connectors

D-Type Male

DB9 Male

Pin # Signal
1 Motor Channel A
2 Far Limit
3 No Connection
4 +5 VDC
5 Motor +
6 Motor Channel B
7 Near Limit
8 Common
9 Motor -

MVLZC Controller Connectors

D-Type Female

DB9 Female

Pin # Signal
1 Motor Channel A
2 Far Limit
3 No Connection
4 +5 VDC
5 Motor +
6 Motor Channel B
7 Near Limit
8 Common
9 Motor -

MVLZC Computer Connection

USB Type-B Female

USB Type B
USB Type-B to Type-A Cable Included


Hide MVLZC Software

MVLZC SOFTWARE

Software

Version 1.0.0 (July 8, 2025)

The software package contains the installation files
for the GUI interface and drivers.

Software Download

MVLZC Software

A link to the latest version of the MVLZC controller software is available, which includes both a GUI and drivers. This software provides precise control of the magnification zoom motor and the focusing motor of Thorlabs' motorized zoom lenses, when controlled with the MVLZC controller via a PC. By configuring the lens system within the software to include the lens model, extension tube, and lens attachment being used, specific magnifications and focus positions can be achieved by typing the desired value into a text field. The software also allows each motor to be jogged individually, with the acceleration and velocity of the motor being adjustable.

MVLZC Software
Click to Enlarge
Figure 7.1  MVLZC Controller Software

Hide Example Images

EXAMPLE IMAGES

Example Images

All images shown were taken with a previous-generation Thorlabs DCC1240C color CMOS camera, MVL20A extension tube, MVL12X3Z zoom lens, and MVL12X20L magnifying lens attachment. The bottom pair of images are far-field (Figure 8.3) and close-up (Figure 8.4) views of a previous-generation Thorlabs camera.

LCD Screen Pixels
Click to Enlarge
Figure 8.1  Individual Pixels of a Smartphone LCD Screen (326 Pixels Per Inch) with 213 μm x 170 μm Field of View (28X Magnification)
Damaged Fiber End
Click to Enlarge
Figure 8.2  Damaged End of a Ø50 μm Core Multimode Fiber in a Ceramic Ferrule at 28X Magnification and Oblique Illumination
CCD Sensor Far
Click to Enlarge
Figure 8.3  Far-Field Image of a Camera Sensor and Surrounding Circuit Board with 2.56 mm x 2.05 mm Field of View (2.32X Magnification) and Coaxial Illumination
CMOS Sensor Close
Click to Enlarge
Figure 8.4  Close-up Image of a Camera Sensor and Surrounding Circuit Board with 267 μm x 213 μm Field of View (~22X Magnification) and Coaxial Illumination

Hide 6.5X Zoom Lenses (0.7 - 4.5X Magnification Range)

6.5X Zoom Lenses (0.7 - 4.5X Magnification Range)

LEDRW40 Attached to a Zoom Lens
Click to Enlarge
Figure G1.1  LEDRW40 Ring Light Attached to an MVL6X12Z Zoom Lens 
  • 6.5X Zoom Range (Core Lens Has a Magnification of 0.7 - 4.5X)
  • 0.006 - 0.142 System NA
  • Designed for 2/3" Sensor Format Cameras
  • An Extension Tube (Sold Below) is Required for Use

Our 6.5X Zoom Lenses feature a variable magnification of 0.7 - 4.5X, which provides a 6.5X magnification adjustment (zoom) range. The MVL6X12Z and MVL6X12M provide 12 mm of fine focus travel for a large working distance range, while the MVL6X3Z and MVL6X3M provide 3 mm of fine focus travel. The MVL6X3Z also includes a coaxial illumination port, which is compatible with the fiber bundles included with our OSL2 and OSL2IR fiber light sources and our Ø5 mm liquid light guides; the MVL6X3M has 11/16"-32 internal threading, which when paired with MVL6X8C fiber input attachment (sold below) provides the same compatibility. The manual 6.5X zoom lenses also offer direct compatibility with our LEDRW40 Ring Light, as shown for the MVL6X12Z in Figure G1.1. 

Please note that our 6.5X zoom lenses must be used with an extension tube (sold below), and can optionally be used with a 6.5X system magnifying lens attachment (also sold below). The motorized MVL6X12M and MVL6X3M zoom lenses also require the MVLZC controller (sold below). The threaded end of the zoom lenses have M25 x 0.75 internal threads and 1.093"-32 external threads. Our 6.5X zoom lenses can easily be mounted using the C1512(/M) fixed or C1513(/M) kinematic V-clamp.


Part Number
Description
Price
Availability
MVL6X12Z
Customer Inspired! 6.5X Zoom Lens with 12 mm Fine Focus
$1,498.00
Today
MVL6X12M
NEW! Customer Inspired! Motorized 6.5X Zoom Lens with 12 mm Fine Focus
$4,913.03
Today
MVL6X3Z
Customer Inspired! 6.5X Zoom Lens with 3 mm Fine Focus and Coaxial Illumination Port
$1,733.40
Today
MVL6X3M
NEW! Motorized 6.5X Zoom Lens with 3 mm Fine Focus and Coaxial Illumination Port
$5,282.66
Today

Hide 6.5X System Magnifying Lens Attachments

6.5X System Magnifying Lens Attachments

  • Optional Magnifying Lens Attachments Provide Additional 0.25 - 2X Magnification
  • Compatible with Our 6.5X Zoom Lenses
  • M25 x 0.75 External Threading

These magnifying lens attachments provide additional magnification to the zoom lens and extension tube system. These attachments are compatible with the 6.5X zoom lenses sold above, and provide a magnification factor of 0.25X, 0.5X, 0.75X, 1.5X, or 2.0X (see the Magnification Calculation section in the Overview tab). Please note that only one lens attachment may be used at a time.


Part Number
Description
Price
Availability
MVL6X025L
Customer Inspired! 0.25X Magnifying Lens Attachment for 6.5X Zoom Lens
$413.09
Today
MVL6X05L
Customer Inspired! 0.5X Magnifying Lens Attachment for 6.5X Zoom Lens
$280.92
Today
MVL6X075L
Customer Inspired! 0.75X Magnifying Lens Attachment for 6.5X Zoom Lens
$280.92
Today
MVL6X15L
Customer Inspired! 1.5X Magnifying Lens Attachment for 6.5X Zoom Lens
$280.92
Today
MVL6X20L
Customer Inspired! 2.0X Magnifying Lens Attachment for 6.5X Zoom Lens
$280.92
Today

Hide 12X Zoom Lenses (0.58 - 7X Magnification Range)

12X Zoom Lenses (0.58 - 7X Magnification Range)

  • 12X Zoom Range (Core Lens Has a Zoom Range of 0.58 - 7X)
  • 0.005 - 0.202 System NA
  • Designed for 2/3" Sensor Format Cameras
  • An Extension Tube (Sold Below) is Required for Use

Our 12X Zoom Lenses feature a variable magnification of 0.58 - 7X, which provides a 12X magnification adjustment (zoom) range. The MVL12X12Z and MVL12X12M provide 12 mm of fine focus travel for a large working distance range, while the MVL12X3Z and MVL12X3M provide 3 mm of fine focus travel. The MVL12X3Z also includes a coaxial illumination port, which is compatible with the fiber bundles included with our OSL2 and OSL2IR fiber light sources and our Ø5 mm liquid light guides. The MVL12X3M has 11/16"-32 internal threading, which when paired with MVL12X8C fiber input attachment (sold below) provides the same compatibility.

Please note that our 12X zoom lenses must be used with an extension tube (sold below), and can optionally be used with a 12X system magnifying lens attachment (also sold below). The motorized MVL12X12M and MVL12X3M zoom lenses also require the MVLZC controller (sold below). The MVL12X12Z and MVL12X3Z have 1.093"-32 internal and 1.500"-32 external threads. Our 12X zoom lenses can easily be mounted using the C1512(/M) fixed or C1513(/M) kinematic V-clamps.


Part Number
Description
Price
Availability
MVL12X12Z
Customer Inspired! 12X Zoom Lens with 12 mm Fine Focus
$2,461.00
Today
MVL12X12M
NEW! Customer Inspired! Motorized 12X Zoom Lens with 12 mm Fine Focus
$6,440.21
Today
MVL12X3Z
Customer Inspired! 12X Zoom Lens with 3 mm Fine Focus and Coaxial Illumination Port
$3,103.00
Today
MVL12X3M
NEW! Motorized 12X Zoom Lens with 3 mm Fine Focus and Coaxial Illumination Port
$6,809.85
Today

Hide 12X System Magnifying Lens Attachments

12X System Magnifying Lens Attachments

  • Optional Magnifying Lens Attachments Provide Additional 0.25 - 2X Magnification
  • Compatible with Our 12X Zoom Lenses
  • 1.093"-32 External Threading

These magnifying lens attachments provide additional magnification to the zoom lens and extension tube system. These attachments are compatible with the 12X zoom lenses sold above, and provide a magnification factor of 0.25X, 0.5X, 0.75X, 1.5X, or 2.0X (see the Magnification Calculation section in the Overview tab). Please note that only one lens attachment may be used at a time.


Part Number
Description
Price
Availability
MVL12X025L
Customer Inspired! 0.25X Magnifying Lens Attachment for 12X Zoom Lens
$627.92
Today
MVL12X05L
Customer Inspired! 0.5X Magnifying Lens Attachment for 12X Zoom Lens
$420.72
Today
MVL12X075L
Customer Inspired! 0.75X Magnifying Lens Attachment for 12X Zoom Lens
$420.72
Today
MVL12X15L
Customer Inspired! 1.5X Magnifying Lens Attachment for 12X Zoom Lens
$420.72
Today
MVL12X20L
Customer Inspired! 2.0X Magnifying Lens Attachment for 12X Zoom Lens
$420.72
Today

Hide Extension Tubes for 6.5X and 12X Systems

Extension Tubes for 6.5X and 12X Systems

  • Required for the Use of our 6.5X or 12X Zoom Lenses
  • Compatible with Both Systems
  • Provide an Additional 0.5 - 2X Magnification
  • Designed for 2/3" Sensor Format Cameras
  • MVL20FA Features an Integrated F-Mount Bayonet Mount

These extension tubes are required for the use of our 6.5X or 12X zoom lenses, and they are compatible with both systems. They may be attached to a camera using the MVLCMC C-Mount adapter sold below. Additionally the MVL20FA extension tube has an integrated F-Mount bayonet mount for direct attachment to a camera. A telescoping version of the 1.00X extension tube is also available.


Part Number
Description
Price
Availability
MVL05A
Customer Inspired! 0.50X Extension Tube for 6.5X and 12X Zoom Lenses
$724.52
Today
MVL067A
Customer Inspired! 0.67X Extension Tube for 6.5X and 12X Zoom Lenses
$662.22
Today
MVL10A
Customer Inspired! 1.00X Extension Tube for 6.5X and 12X Zoom Lenses
$662.22
Today
MVL10TA
NEW! 1.00X Telescoping Extension Tube for 6.5X and 12X Zoom Lenses
$371.27
Today
MVL133A
Customer Inspired! 1.33X Extension Tube for 6.5X and 12X Zoom Lenses
$824.94
Today
MVL20A
Customer Inspired! 2.00X Extension Tube for 6.5X and 12X Zoom Lenses
$931.69
Today
MVL20FA
Customer Inspired! 2.00X Extension Tube for 6.5X and 12X Zoom Lenses with F-Mount Bayonet Mount
$809.68
Today

Hide Fiber Input Attachments for Motorized Zoom Lenses

Fiber Input Attachments for Motorized Zoom Lenses

MVL6X8C Fiber Input Attachment Connected to an MVL6X3M Motorized Zoom Lens
Click to Enlarge
Figure G6.1  An MVL6X8C Fiber Input Attachment Connected to an MVL6X3M Motorized Zoom Lens
  • External Threading for Mounting to MVL6X3M or MVL12X3M Motorized Zoom Lenses
    • MVL6X8C: 11/16"-32 Threading
    • MVL12X8C: 0.812"-32 Threading
  • Ø0.32" (Ø8.0 mm) Opening for Attaching Fiber Inputs
  • Locking Screw Secures Fiber for Coaxial Illumination

These fiber input attachments are compatible with our MVL6X3M and MVL12X3M motorized zoom lenses with a coaxial illumination port. The MVL6X8C attachment has 11/16"-32 external threading for use with the MVL6X3M zoom lens, while the MVL12X8C has 0.812"-32 external threading for use with the MVL12X3M zoom lens. A Ø0.32" (Ø8.0 mm) opening provides compatibility with fiber optic illuminators, like the OSL2. Figure G6.1 shows an MVL6X3M motorized zoom lens with the MVL6X8C input attached.


Part Number
Description
Price
Availability
MVL6X8C
NEW! Fiber Input Attachment for 6.5X Motorized Zoom Lenses
$256.91
Today
MVL12X8C
NEW! Fiber Input Attachment For 12X Motorized Zoom Lenses
$268.06
Today

Hide Motorized Zoom Lens Controller

Motorized Zoom Lens Controller

MVLZC Controller Front and Back Panels
Click for Details
Figure G7.1  MVLZC Controller Front View (Click for Back View)
  • Provides Control of Magnification and Focusing for Motorized Zoom Lenses
  • USB Input on Back Panel for Control via Software

The MVLZC motorized zoom lens controller provides precise control of both the magnificaiton zoom motor and focusing motor for our motorized zoom lenses. The front of the controller includes two 9-pin, d-sub inputs for connecting to the motorized zoom lenses, while the back of the controller contains the USB Type-B port for PC control via software. This software allows users to configure the len system based on the lens model, extension tube, and lens attachment being used, with the ability to jog the magnification or focus, or move to a specific value. More information can be found in the Software tab.


Part Number
Description
Price
Availability
MVLZC
NEW! Customer Inspired! Motorized Zoom Lens Controller
$2,403.27
Today

Hide C-Mount Attachment

C-Mount Attachment

  • Connects Our Extension Tubes to an Internal C-Mount-Threaded Camera
  • External C-Mount (1.000"-32) Thread
  • Three 1/16" Hex Key Set Screws for Attachment to the Extension Tube
  • Use with the SM1A9 or SM1A10 Adapters to Integrate these Zoom Lenses into Thorlabs' SM1-Threaded Optomechanics

The MVLCMC adapter allows for the integration of our zoom lenses with a standard C-mount camera. The adapter features external C-mount (1.000"-32) threads and provides the correct lens spacing for the standard C-mount 17.526 flange focal distance. Additionally, when used with the SM1A9 or SM1A10 adapters, the zoom lenses sold on this page can be integrated with Thorlabs' SM1-threaded optomechanics.


Part Number
Description
Price
Availability
MVLCMC
Customer Inspired! C-Mount Adapter for 6.5X and 12X Zoom Lens Extension Tubes
$93.43
Today