Ben-71
TPF Noob!
- Joined
- Apr 28, 2008
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- 203
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- Location
- Israel
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<< Way back, reversal rings were also used as many lenses work better at close focus when reversed on the camera (Nikon BR1). Then you need a reversal filter ring to use 52mm filters on the lens' bayonet. <<
Nikon still offers reversal rings. The best results are with a reversed wide angle.
With those, the proportion of lens-to-object vs lens-to-film/sensor is larger than in longer focal lengths.
When a W/A lens is reversed, at near 1:1, the optical corrections work the same, only the object is near and the sensor is far.
The correction "don't mind" if light goes through forward or backwards.
"Once upon a time" I bought a 28mm just to be used reversed, for Micro (Ah... 'macro'... no... Micro... ).
Sometimes it was about 0.5" from the object. The true coping is getting the object properly lighted, through the small available gap. It's takes careful placement of tiny reflectors.
<< No end to the fun.>> - Indeed...