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Drop in 52mm Filter for f/2.8 300mm - Screw vs Gel II

Started May 28, 2019 | Discussions thread
BigBen08 Veteran Member • Posts: 7,473
Re: Drop in 52mm Filter for f/2.8 300mm - Screw vs Gel II

I also have the 300 f2.8 IS II. Because I shoot aircraft at slow shutter speeds to capture prop blur, I needed to add a ND filter. At first I used the gel filter holder that comes with the lens. Later, I bought the screw filter. With the screw filter holder I use the Heliopan Digital ES 52 ND filter. With either filter holder used, I cannot see any optical difference or degradation. None at all.

However...about 4 or 5 years ago, on another photography web site, an aviation shooter advised me against using the screw-in filter holder. He owned the 300 f2.8 also. He claimed the screw-in holder diminished IQ in some manner. It has been so long ago that I can't remember the details. But when I use the screw-in holder, I experience no problems.

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