Step-down Adapter Ring 58mm Lens To 48mm
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Leica R Series Lens to NEX  FIT PRO Camera High Precision K&F Concept Lens Mount Adapter
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Leica R Series Lens to NEX FIT PRO Camera High Precision K&F Concept Lens Mount Adapter
$29.99
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Related Faq
Q
Is these step up and down rings compatible to use with K&F magnetic adapter ring then use cpl or nd filter?
A
Hi,not compatible with K&F magnetic adapter ring. 
Q
is there a 72 adapter ring?
A
No! Only:77mm; 67mm; 62mm; 58mm; 55mm and 52mm 
Q
can i step up from a 62mm to a 77mm lens ring? and stack the adapters?
A
yes you can stack the adapters and do that. 
Q
Too loose/there is gap between lens and adapter ring
A
  1. If there is ever any more than a slight amount of rotational play, you may want to try tightening the lens mount adapter so it will hold the lens tighter to the mount. There are 3 flanges in the middle of the adapter (what the lens locks onto) that are split open slightly, this gap is what gives the tension that holds the lens tight to the body. Over time and with use these gaps decrease in size, no longer pulling the lens tight to the adapter, which allows the lens to move inside the mount more than it should.
  2. To tighten the fit, get a slim metal object (a #1.5 or #2.0 small flat eyeglass screwdriver is ideal) and insert it into the slit to open it up just a little bit (see images below, make sure to do it to all 3 evenly). The more you open the gap, the tighter the lens will be to the adapter; too much and the lens will have a hard time mounting so make sure to do it just a little bit at a time to all 3 flanges evenly, it doesn’t take much at all to get a tight fit.Note: please do not use too much strength, or the shrapnel will be damaged.
 
Q
Can i use this on a 95 mm lens without an adapter ring?
A
It can't not be fixed well with the lens without the adapter ring. you should buy another adapter ring of 95mm size if you want to make this square filter fixed on the lens. 
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