View Full Version : The Upside Down Thing


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Andrew McCarrick
May 6th, 2006, 11:15 PM
What would happen if you put the adapter on upside down.... Is it even possible... I've never used a 35mm adapter so I couldn't know for sure... If you put it on upside down wouldn't it go into the camera right side up? The only thing I see having to mod would be the rods.

Forrest Schultz
May 6th, 2006, 11:22 PM
Andrew McCarrick. haha, please dont think i am laughing at you. but its the thought of the simplicity of that solution that is very funny.

but no, its not the adapter that is making the image upside down, but the light coming from the 35mm lens is upside down. before it hits the Ground glass. if you rotate the groundglass, the light is still hitting the same way it was before. rotating the glass wont bend the light with it. so the image will stay upside down all the time.

Please dont feel as if you dont get something that others do. I hope i have not offended you. When building new adapters, i still have the urge to rotate the adapter and glass, thinking it will bring it backaround correctly.

Cole McDonald
May 6th, 2006, 11:27 PM
The image doesn't flip by turning the adaptor upside down. The upside down thing is an optics thing. I've made my own and the first thing people try to do when they see the image on the ground glass is try to turn it over to get the image to flip. It's very interesting to watch.

Andrew McCarrick
May 7th, 2006, 03:59 PM
Okay... I just didn't know.... This is coming from somebody that's never touched a 35mm adapter or owned a prosumer camera for the matter.