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Old Sep 28, 2002, 8:30 AM   #1
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Default diopter lenses and the 7i

I am looking for help in selecting the most useful + diopter lens to extend the close focus ability of my 7i. I would like to adda lens that will fill the frame with a smaller item than is possible with the stock camera but not overpower it so there is a gap in the middle. I am concerned that a +10 might leave that gap. I want to photograph coins ranging from 10mm to 35mm diameter. Is anyone working with + diopter lenses? When using them do you put the camera in macro mode or leave it in normal reytaining full zoom range control? Brand recommendations would also be appreciated. Thanks
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Old Sep 28, 2002, 9:05 AM   #2
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I use a +3 Cokin close up lens (I used this lens to take old photos with my 35mm SLR)
You can see example here ( was on D7 , same lens as D7i)


I suspect a stronger diopter will cause distortion at the peripheral , but not sure.
The D7 lens is in macro setting.
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Old Oct 2, 2002, 10:06 PM   #3
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The old Canon 48mm lenses work well with a stepping ring. The 240 for C-8 would be a good choice. (Make sure it says C-8. The others aren't quite as good.) Here's some sample shots with the D7:

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