Comments on: Olympus 300mm f4 Pro – Sharpness and Hoya Filters

By: K&F Concept Variabel ND8-128 ND-filter – Open Source Photography

K&F Concept Variabel ND8-128 ND-filter – Open Source Photography — Mon, 28 Apr 2025 05:44:58 +0000

[…] Anyone who’s been following this site for a while will know that I’m not a fan of glass filters, with the main reason being: sharpness loss. And these aren’t just words. After having a suspicion and reading about it on a forum, I decided to do a test with and without a filter. The results were clear: even with an expensive filter on a 300mm pro lens, I could notice a reduction in sharpness. Read more about it here: Olympus 300mm f4 Pro – Sharpness and Hoya Filters. […]

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By: The Olympus ED 12-200mm f/3.5-6.3 – Review in a Nutshell – and Solving an Old Problem … Again. – Open Source Photography

Fri, 08 Mar 2024 06:57:44 +0000

[…] Olympus 300mm f4 Pro – Sharpness and Hoya Filters […]

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By: Olympus M.Zuiko Digital ED 300mm F4.0 IS PRO after three months. – Open Source Photography

Mon, 10 Jul 2023 06:20:20 +0000

[…] Olympus 300mm f4 Pro – Sharpness and Hoya Filters […]

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By: Marc R.

Marc R. — Fri, 24 Mar 2023 10:38:04 +0000

In reply to harrienijland.

You’re most welcome !
I also started thinking about those many cheaper filter sets that are available, such as the sets from Hoya, Polaroid, Hama, but even a Tiffen filter costs a third of my last Hoya, makes me wonder …

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By: harrienijland

harrienijland — Fri, 24 Mar 2023 06:59:59 +0000

Stunning differences: never thought of checking a filter because it should do nothing else but filter.. thanks for letting us know!

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