Filter Discussions & Tests

Pinned  Filter Series :: Water, Land, Sky with K5 :: 36 UV/IR Filters, Raw & White Balanced

Started by Andrea B., 08 Aug 2017   Filters

Pinned  Links to Filter Info

Chinese filters - a positive experience

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Holmium oxide glass?

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Comparison between BG3-stacks and BG25 stacks

Started by UlfW, 07 Jul 2021   Filters

[Filter Test 340/10 #6] Progress was made, finally. UPDATE: Progress was then lost.

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Interesting 254nm "narrowband" filter on AliExpress

New generic Venus Filter

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B+W Filter Designations

Russian Lomo UV filters transmission (3mm and 5mm)

Started by JMC, 24 Sep 2020   Filters

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KolariU + Nikon 50/1.8 AIS

The AHA! Moment #1 about Prevention of Filter Glass Oxidation (which proved to be only so-so)

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coating ionic filters at home

Named UV-Pass Filter Shootout

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Question about Putty-Mounted Back Filters

Mounting Filters Behind M42 Lens

QB39+ZWB1: Possibly the cheapest way to get true UV? (~26€)

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Omega 360DF40 on eBay

Ultraviolet Photography Beginners Questions

New Chinese U-venus filters.

Fixing a filter to the lens

Started by nurWolfgang, 09 Apr 2021   Filters

Neutral Density Filters for Infrared photography

Started by Mathieu, 19 Mar 2021   Filters, Infrared

[Filter Test SEU Gen2 #4] Dealing with the Usual Dichroic Effects

Started by Andrea B., 17 Jul 2018   Filters

Historical 365nm bandpass filter

Variable IR filter

Started by Nisei, 02 Jul 2020   Infrared

Large diameter IR filter for a car headlight......

Started by JMC, 05 Oct 2020   Filters

Need help with filter problem UV/IR

Started by StephanN, 21 Sep 2020   Filters, Infrared, UV Lens

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Idea for temporary optical coupling liquid.

Started by UlfW, 21 Sep 2020   Filters

Transmission through thin (0.5mm) Hoya U-340 and U-360 filters

Started by JMC, 12 Sep 2020   Filters

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ND filters and long exposure test

Started by StephanN, 12 Sep 2020   UV Camera, UV Lens