Vray Lens Effect Filter Generator
Related Faq
Q
Could this bulky system warp or damage the lens?
A
Hi, this system with no negative effect on the lens, will not damage it. 
Q
can additional ND magnetic filters be stacked to increase total stops? for example, buy an ND8 and add it to the ND1000 for a total of 18 stops?
A
hello,you can be stacked with additional filters, but after stacking will effect image, as to how many grades can be stacked, mainly depending on your lens and the degree of acceptable dark corners. 
Q
Q. what’s the difference between 1/8 and 1/4 in terms of effect?
A
1. 1/4 hazy effect is stronger, the transmittance of 1/8 in the visible light range is T=86, 1/4 is T=84 
Q
If you use an adapter like this what is the cons? Does it slow your speeds down or reduce quality?
A
Unlike a tube it won't effect your focus distance nor effect your quality like a doubler. The lens will have more of an effect than anything else. On my Sony a7, I must be sure to use a full frame lens since the sensor is 35mm size 
Q
What the difference between the KF black soft filter 1/4 and Tiffen black pro-mist filter 1/4?
A
Hi, the K&F black soft filter 1/4 has the same effect as Tiffen black pro-mist filter 1/4, just difference in name , thanks. 
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