Nd Filter For Smartphone
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Related Faq
Q
Can the strength of the ND filter be adjusted?
A
No, the ND filter from the magnetic set is an ND1000 (extends the shutter speed by a factor of 1000). But it would be technically difficult to construct a magnetic, yet adjustable, ND filter. I hope that K&F will bring more filters for the system onto the market over time. 
Q
Will this work with an android smartphone?
A
Yes, the Spotscope is compatible with all Android (latest) smartphones and iPhones. 
Q
Can the tripod be used with a smartphone holder?
A
Yes, I'm sure it can, but not know what type of holder you have I can't commit to that 100%. It has a typical head, but any adapter or quick release could work, no harm in ordering and returning if you don't like, but only if shipping is free to you. Really nicely done set of sticks but I'm used to modifying things on the whim so that's where my sureness comes in. 
Q
Can I use a polariser together with the ND filter with this holder?
A
There does'nt appear to be a facility for holding a circular polariser on this system (i.e. the type you can rotate in the mount) 
Q
can this ND filter be used for solar photography?
A
i very much doubt it... it's worth risking your sensor and or your eyes... 
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