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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: Zeiss UV Filter Page 7: Zeiss Circular Polarizer Page 8: Filter—B+W UV 010 UV (clear) 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

Zeiss Circular Polarizer

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.

Buying filters

A great source for filters at competitive prices is B&H Photo, which has an extensive selection of brands and types and sizes. Get filters at B&H Photo.

Zeiss info

The Zeiss CZ circular polarizers were introduced in late 2011.

For photos that become revelations

Discover something new: the POL filters featuring the T* anti-reflective coating from Carl Zeiss provide you with entirely new photographic insights by avoiding reflections on non-metallic surfaces. Experience a new definition of color and contrast.

• Precision — Rotary mount to set the filter effect (light reduction: 1.5–2 EV).
• Quality — High-quality glass featuring Carl Zeiss T* anti-reflective coating.
• Flexibility — High-fit accuracy for fast filter change. Can be used with a lens shade.
• Compatibility — Ideal for ZEISS lenses. Can be used with non-ZEISS lenses.
• Effect — Minimizes light reflections on non-metallic surfaces and increases the color saturation of long-distance shots

Spectral transmission —
Zeiss Circular Polarizer