Help to identify massive lens.

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harisA
Posts: 498
Joined: Sun Jul 03, 2011 9:31 am
Location: Greece

Help to identify massive lens.

Post by harisA »

Came across this beast last Saturday.No markings on body.Front lens diameter 12cm,rear lens diameter 8.5cm ,length about 15cm ,distance from the front element to image plane (infinity focus) 19cm,weight 3.8kg.

Any idea what it is?

Image
Image

Lou Jost
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Post by Lou Jost »

My guess is that it's a paperweight... :cry:

ray_parkhurst
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Post by ray_parkhurst »

Looks like a lens from a video projector.

ChrisR
Site Admin
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Post by ChrisR »

19cm - might make a good tube lens. Probably wouldn't vignette :wink:
Chris R

Harald
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Post by Harald »

Could it be from a cine projector?
Kind Regards
Harald

Lier Fotoklubb / NSFF
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lothman
Posts: 481
Joined: Sat Feb 14, 2009 7:00 am
Location: Stuttgart/Germany

Post by lothman »

no engraving so it is a top secret aerial surveilance camera from a Blackbird SR72 and worth 1 Mio. $ under russian collectors :-)

lonepal
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Joined: Sat Jan 28, 2017 12:26 pm
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Post by lonepal »

lothman wrote:no engraving so it is a top secret aerial surveilance camera from a Blackbird SR72 and worth 1 Mio. $ under russian collectors :-)
:lol:
Regards.
Omer

Macro_Cosmos
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Joined: Mon Jan 15, 2018 9:23 pm
Location: Sydney

Post by Macro_Cosmos »

It's probably some sort of projection lens?

No engravings though, it might be something used by the military :D

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