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LADAP-C-2xF-1.5, 2x focal length extender

$90.00

Deliverytime (weeks): Economy 4-8, standard 3-4, express 0-3 hoursminutes
Out of stock

Focal Lenght Extenders

A focal length extender is an optical adapter ring between the (C-) mount of the camera and the C-mount lens. With this Adapter, you are able to increase the focal length of an industrial c-mount lens. As a result with a 2x focal length extender you zoom a factor 2 and with a 4x focal length extender you zoom a factor 4. It’s used for microscopic views on short working distances or looking at small objects at larger working distances.

Practical examples

If you combine a 50mm lens with a 2x focal length extender the new focal length will be 100mm. If you combine a 50mm lens with a 4x focal length extender the new focal length will be 200mm.

Application examples

Applications where you are looking at microscopic an object with a field of view of 1x1mm and a working distance of 100mm or the inspection of objects with a distance of 3 meters while the field of view is just 100x75mm.

Important remarks

There are a few important remarks you have to keep in mind when using a focal length extender:
-    The adapter only works with c-mount lenses, not with M12 lenses
-    The maximum supported sensor size is 2/3 inch.
-    You cannot combine multiple focal length extenders.
-    Some lenses will lose the ability to focus until infinity. The minimum working distance will not change.
-    You will lose light intensity. When using a 2x focal length extender you lose 2 aperture stops of light. A F1.4 lens becomes a F2.8 lens. With a 4x focal length extender you lose 4 stops. A F1.4 lens becomes a F5.6 lens.



 
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LADAP-C-2xF-1.5, 2x focal length extender

$90.00