B Series Lens Mount
Related Faq
Q
Does it have thread at front side for another filter to fit. If yes is the back side and from side thread are of same size or different. Thank you
A
It has,for this series, front thread diameter is bigger than the back thread diameter. For example: Back thread diameter (attach to lens): 55mm Front thread diameter (attach additional filter/other accessories): 58mm 
Q
Can I use this filter with my Cokin P series filter holder?
A
hello , the filter is 100*100, so it can work with Cokin Z series filter holder 
Q
My macro lens has 62mm diameter (sigma 105mm 2.8 for Nikon). How can i use this flash since there is no 62mm metal adapter included?
A
Colin adaptor ring P series 062 
Q
Does this work with Sony a7s mark ii?
A
This 100% works on any of the A7 series. it works on my A6000, a7r2 and a7r3. If the body is E-mount it will work. If the body is A-mount it will not. 
Q
Hello is compatible with Fujifilm X series camera?
A
The nd1000 filter can work with Fujifilm X series camera 
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