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Lens reversal
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Feb 27, 2018 11:59:49   #
photodoc16
 
Agillot Knowsalot,
In your comments about lens reversal you mentioned that with a 28mm lens you need an f stop of 22. That said to me you had a choice. How do have any control with a reversed lens?
Thanks,
Photodoc16

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Feb 27, 2018 13:05:32   #
photodoc16
 
Thanks,
Photodoc16

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Feb 27, 2018 13:10:18   #
Martys Loc: Lubec, Maine
 
Photodoc16,

Back then I had done some research and found an article suggesting using a medium to moderate telephoto attached to your SLR then using the 52mm/52mm reversing ring to then facilitate the reversal of the 50mm lens.

My lenses all had 52mm front threads.

All else that I did I just elaborated on and was experimental combinations (seat of the pants experience) with lens and different extension rings and equipment I had on hand, finally adding the 52mm filter to the mix for color correction.

I needed to explore the near and distant focusing ranges I needed to fill my viewfinder with the diagonal wire magnification I was after.

Digital would sure have saved me much time awaiting the transparency processing to see what I had done.
not to mention the $$ spent.
Probably could have done the whole shoot in one day including photoshop cleanup work for highlight consistency
throughout the wires.

Reshooting was required to evaluate exposure settings,.....my detail written records for each lens combinations was required from which I created a chart of magnification ratios that provided the f stop and detail sharpness I required.

Was a lot of fun, I like technical challenges and really surprised myself in the process.

Martys

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Feb 27, 2018 23:40:37   #
photodoc16
 
Many thanks, Martys, for the time and effort to send along that info.
I was shocked - shocked I say - to see the amount of magnification when I reversed a lens and also saw how much more mag it was than my 100 mm macro. I have learned quite a bit from this discussion and will try to create some interesting images. Now if I can just figure out the lighting.
All the best,
Richard
PS: I too like the technical challenges but mostly when I can figure them out.

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Feb 28, 2018 04:39:52   #
RWR Loc: La Mesa, CA
 
Martys wrote:
Photodoc16,

Back then I had done some research and found an article suggesting using a medium to moderate telephoto attached to your SLR then using the 52mm/52mm reversing ring to then facilitate the reversal of the 50mm lens.

My lenses all had 52mm front threads.

All else that I did I just elaborated on and was experimental combinations (seat of the pants experience) with lens and different extension rings and equipment I had on hand, finally adding the 52mm filter to the mix for color correction.

I needed to explore the near and distant focusing ranges I needed to fill my viewfinder with the diagonal wire magnification I was after.

Digital would sure have saved me much time awaiting the transparency processing to see what I had done.
not to mention the $$ spent.
Probably could have done the whole shoot in one day including photoshop cleanup work for highlight consistency
throughout the wires.

Reshooting was required to evaluate exposure settings,.....my detail written records for each lens combinations was required from which I created a chart of magnification ratios that provided the f stop and detail sharpness I required.

Was a lot of fun, I like technical challenges and really surprised myself in the process.

Martys
Photodoc16, br br Back then I had done some resea... (show quote)

That was an interesting way to go about it, but if you had utilized the viewfinder and meter you would have know the exposure, focus and magnification before making the exposure.

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