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What magnification am i looking at with a 50mm prime lens reversed, with around 75mm of extension tubes. As i own none of this equipment i cant take a picture of a ruler and see the comparison to my sensor. I also have no idea of what sort of working distance this is looking at. If anybody could help that would be great 
Quote: What magnification am i looking at with a 50mm prime lens reversed, with around 75mm of extension tubes. As i own none of this equipment i cant take a picture of a ruler and see the comparison to my sensor. I also have no idea of what sort of working distance this is looking at. If anybody could help that would be great Smile
I had Same kinda Problem but not found any solution till now!!!!
http://www.pentaxforums.com/forums
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