Ring Flash Sony A7
Related Faq
Q
can i change the aperture on sony a7ii with the new G lenses that don't have an aperture ring?
A
for Nikon G lens and Sony A7ii,please use this item, asin B07D5DV4PR,hope it helps. and if you need more help, please let us know. 
Q
Will this work on the A7 iii ?
A
Nikon to Sony E Mount Adapter you are asking, yes, this adapter is designed for Sony Alpha E-mount Cameras: Sony Alpha α7, α7R, α7S, α7 II, etc. please trust to purchase. 
Q
Will this work from my nikon d3100 lens to my sony a7 body?
A
Nope, it’s to adapt to the smaller Nikon 1 (CX) mount of the 1 series camera, not the F mount (your D3100) on crop and full frame Nikon’s. 
Q
I want to use nikkor 105 mm 1:2.5 (which i bought in 1980's, it is f mount lens.) with sony a7 camera. will ai-nex adapter work my with nikkor lens.
A
K&F Concept Nikon to Sony E lens mount adapter you are asking, you said your lens mount is F, and Sony A7 camera mount is E, so this adapter works for your, please trust to purchase. 
Q
Does this also work as a flash?
A
No, only continuous light.  
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