Computar 2x Extender for C-Mount Lenses

BH #COEX2C • MFR #EX2C
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Computar 2x Extender for C-Mount Lenses
Key Features
  • For C-Mount Lenses and Cameras
  • Focal Length Extender
The 2x Extender for C-Mount Lenses from computar mounts between your C-mount lens and C-mount camera to increase the focal length by 2x.
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Computar EX2C Overview

The 2x Extender for C-Mount Lenses from computar mounts between your C-mount lens and C-mount camera to increase the focal length by 2x.

UPC: 781904380237

Computar EX2C Specs

Compatibility
C-mount lenses and cameras
Dimensions
1.47 x 0.61" (37.5 x 15.7 mm)
Packaging Info
Package Weight
0.14 lb
Box Dimensions (LxWxH)
2 x 1.85 x 1.8"

Computar EX2C Reviews

Works great for adapting old c-mount lenses!

By Soren
Rated 5 out of 5
Date: 2022-09-08

This extender works better than I had expected. It's great for adapting old c-mount glass. Corner sharpness is good and there are no additional flares or artifacts when added. I wish they had a 2.5x extender.

Extender (2X) for C-Mount by computar

By CD
Rated 5 out of 5
Date: 2015-04-14

Very nice product. It works very effectively, very clear crystal result. I'm so glad that i've found such this nice product.! _Calvin.

See any errors on this page?

Can these be stacked together? i.e. 2 of these ...

Can these be stacked together? i.e. 2 of these will make it 4x and so on?
Asked by: Alon
Yes, it's possible. However you'll loose brightness (typically 1 f-stop) per conversion.
Answered by: Suresh
Date published: 2021-09-22

Most rear-mount teleconverters do increase the ...

Most rear-mount teleconverters do increase the image circle somewhat... has anyone actually tried this unit on a C-mount lens with a larger sensor (e.g., adapted to a Sony APS-C body) to observe the image circle?
Asked by: ProfHankD
it will not work to step up the image as you want
Answered by: Adam
Date published: 2025-04-13

question

Does this make the image circle larger?
Asked by: Gabe
This model double the zoom capability of the attached lens. It doesn't make the area of coverage larger.
Answered by: Brian F.
Date published: 2025-04-13
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