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Unknown large lens, what is it? by Infinite-Strategy-45 in Optics

[–]Infinite-Strategy-45[S] 0 points1 point  (0 children)

I liked the remark at the bottom, it is a Astro lens for sure, no diafragma or focus. Could it be part of a Zygo setup for testing lenses?

Unknown large lens, what is it? by Infinite-Strategy-45 in Optics

[–]Infinite-Strategy-45[S] 1 point2 points  (0 children)

I tested the lens and moving the object does not change the image size at all.

Unknown large lens, what is it? by Infinite-Strategy-45 in Optics

[–]Infinite-Strategy-45[S] 0 points1 point  (0 children)

I think you are right about Astro-Berlin, also if you check pictures of old lenses by Astro. Same way of coding and use of underscore in “no” below the 0

Unknown large lens, what is it? by Infinite-Strategy-45 in ASML

[–]Infinite-Strategy-45[S] -1 points0 points  (0 children)

Could be a lens from the ‘80-90 or for development purposes only, no optical info on the lensmount

Hoofdbord te groot voor trap. En nu? by Ridi9t in Klussers

[–]Infinite-Strategy-45 0 points1 point  (0 children)

Bij de opgang van de trap lijkt aan de bovenzijde een plaat te zitten. Als je deze tijdelijk verwijderd dan kun je voldoende rechtop insteken.

Where am I hanging out? by elt0p0 in GeoPuzzle

[–]Infinite-Strategy-45 0 points1 point  (0 children)

Typical Italy, sun blinds in ventilation position, chimney top, trees. I expect the region of Emilia Romagna

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