Sigma Sa 300 Lens Mount
Related Faq
Q
How is the multiple calculated?
A
Equipped with eyepieces: H6mm, H20mm The multiples are: 300/6=50 times, 300/20=15 times. If you choose a 3 times Ballov lens, the magnification is 50X3=150 times, 15X3=45 times; plus a 1.5 times orthographic lens, the imaging is a positive image, and the magnifications are: 50X1.5=75 times, 15X1. 5=22.5 times. Namely: minimum magnification: 15 times, maximum magnification: 150 times. 
Q
I have sigma 70-200mm f/2.8 ex dg apo hsm large aperture macro zoom lens for nikon digital slr cameras lens can i convert to canon with this adoptor
A
hello if your nikon camera is af mount, yes, you could make the sigma 70-200mm f/2.8 ex dg apo hsm large aperture macro zoom lens work with canon with this adoptor 
Q
Will this fit my Sigma f2.8 24-70mm lens with 82mm threads?
A
Dear Customer, it could fit your Sigma f2.8 24-70mm lens with 82mm threads. 
Q
Do you know if this will fit sigma 56mm 1.4 lens
A
Look on the lens and it will tell you the size of the filter required,. 
Q
Will this adapter allow me to mount a fujinon m42 55mm 1.8 and a sigma-z m42 135mm 2.8 to a sony a6000?
A
HI your fujinon m42 55mm 1.8 and a sigma-z m42 135mm 2.8 are M42 mount, the item can fit your camera and lens 
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