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Guide to Infrared
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Articles Table of Contents   Page 1: Filters for Protection, Polarization, Infrared and Ultraviolet Page 2: Tips for Buying Filters Page 3: Do Filters Degrade Image Quality? Page 4: Color balance of UV filters. Page 5: Neutral Density Filters Page 6: Filter—B+W UV 010 UV (clear) Page 7: Zeiss UV Filter Page 8: Zeiss Circular Polarizer Page 9: Filter—B+W 103 0.9 ND, 3-stop neutral density Page 10: Filter—Hoya HMC Super UV 0 (clear) Page 11: Filter—B+W 091 Deep Red Page 12: Filter—B+W 092 Infrared Pass Page 13: Filter—B+W 093 Infrared Pass Page 14: Filter—Hoya R72 Infrared Pass Page 15: Filter—B+W 486 UV-IR Cut Interfence Filter Page 16: Filter—B+W 489 Infrared Cut Page 17: Filter—B+W 415 and 420 UV Cut Page 18: Filter—Baader Venus Ultraviolet Cut Page 19: Filter—Kenko DR655 Infrared Cut Page 20: Filter—B+W 403 Ultraviolet Pass Page 21: Filter—Baader Venus Ultraviolet Pass Page 22: Filter—Baader Venus II Ultraviolet Pass Page 23: Filter—XNite BPG 750nm Infrared Bandpass Page 24: Filter—XNite BPG 830nm Infrared Bandpass Page 25: Filter—XNite BPG 950nm Infrared Bandpass

Filter—Hoya R72 Infrared Pass

Graphs are in nanometers. Visible light is approximately 390 - 650 nm (the human eye can see very weakly into the 700-800nm range). Graphs used by permission of Coastal Optical System.

Buying filters

A great source for filters at competitive prices is B&H Photo. Get filters at B&H Photo.

Spectral transmission — Hoya R72 infrared-pass

The Hoya R72 (50% cutoff at 720nm) is another good choice for infrared, but it can be more expensive than the B+W 092, especially in larger sizes. Get the Hoya R72 filter at B&H Photo