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Lensball in an optical tube

Started Sep 18, 2018 | Discussions thread
ProfHankD
ProfHankD Veteran Member • Posts: 9,147
Re: Lensball in an optical tube

SmoothOperator wrote:

l wonder if anyone has tried using a lensball in an optical tube. Possibly in conjunction with a macro lens.

The idea would be to fill the frame completely with the lensball, to get a fisheye effect. Only problem, I can think of is the depth of field of the macro lens.

I've done plenty of things reflecting off a shiny ball, but nothing with an optical glass ball. Where did you see one for cheap?

Ah. I found them on eBay.  Ordered a 30mm and an 80mm... we'll see if there's anything good from it. 

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