help with lens for a CCD camera

giladj

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Dear all,

I've just bought a Point Grey CCD camera (Grasshopper GRAS 03K2M) for scientific use. I want to buy an appropriate lens and have no idea how to go about it.
My basic requirements are:
1. For 1/3'' detector.
2. C-mount lens (or adaptable to).
3. Adjustable aperture going down to ca. 1.4.
4. Manual focus.

Thanks!
Gilad


 
Sounds like you can also use CS mount lenses with an adapter...

B&H has 21 pages of items, but I'm not familiar with any of those so I can't really make suggestions...
 
C-mount lenses are typical of CCTV systems. I think you may be asking in the wrong place for help.

But here's a few things to consider. "scientific use" is not a definition. There are still a lot of very varied lenses with various focal lengths and various aperture widths, and various qualities depending on your application.

Field of view can be helped on this site: Optical Characteristics of Video Lenses
But then you still need to consider other facets like minimum focal distance.

As an aside one of the PhD students in the lab bought a 50mm f/1.4 c-mount lens, mounted it to a thorlabs optical cage, and mounted a webcam to the other side. Due to the distance from sensor to lens it became practically a microscope, and served all sorts of useful purposes.
 

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