variable ND filter experiences.

Started Jan 30, 2013 | Questions thread
ropausa
Regular MemberPosts: 177
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Re: variable ND filter experiences.
In reply to akustykmagmanetpl, Feb 1, 2013

akustykmagmanetpl wrote:

The experience is based on Fader's model, other VariND filters may have color balance slightly better or worse. In terms of sharpness - same laws of physics apply to all filters, even if some manufacturers claim immunity from that.

Other manufacturers may be using higher grade polarizing material, there are several different grades and suppliers, better quality glass, more accurate parallism between the parts of the variable filter, brass rather then plastic or aluminum mounts which can hold the parts of the filter in better parallism, etc.

It isn't physics, it may be manufacturing quality. That could help explain Phillip Bloom's finding with variable ND filters.

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