The Tiffen 6x6" CC20R Red Filter for Photographyis a color compensating (or color correction) filter for use when making color balance adjustments. It can be used to alter the color balance of a scene by placing in front of a light source or the lens of your camera. It can also be used to apply color corrections when used in the darkroom with an enlarger or to help pre-visualize color adjustments when viewing prints.

Red is the opposite of cyan and can be used to reduce cyan tones or casts within a scene or print. This red CC20 is more dense than a CC10 filter and less dense than a CC30 filter, and requires a 0.3 stop compensation for normal exposure results.

Tiffen filters are made using ColorCore technology; a process that involves laminating the filter substrate between 2 pieces of optical glass and grinding flat to a tolerance of 1/10,000th of an inch. This filter measures 6 x 6" / 152.4 x 152.4mm.

Color Compensating Filter    Achieve Proper Color Balance    Also for Printing and Viewing Use    ColorCore Technology

Red color compensating filter for use when making color balance adjustments.

Red is the opposite of cyan and is added to reduce cyan tones or color casts within a scene or print.

Related Questions and Answers

Q: 1. Does this filter have threads on the front ring so that you can add another filter?

A: Yes.

Q: 2. whats the filter faction of this item?

A: This would have a filter factor of 8, so a 3 stop compensation would be required.

Q: 3. Is it a complete one piece material or there is a visible seam in the diffusion area?

A: It is seamless.

Q: 4. I noticed the other models have intensity measured (i.e 1/2 stop, full stop etc) What strength of diffusion is this particular model?

A: This cloth will cut about 2 stops of light.

Q: 5. What is the Wratten number for this filter?

A: Unfortunately the Nisha 77mm Red Filter does not have a Wratten Number.

Q: 6. Nisha Bay 1 - correct filter for a Yashica Mat 66, right?

A: Yes this is the correct size.

Q: 7. Does this fabric have grommets for tieing to frames?

A: The fabric does have grommets for securing the fabric to a frame.

Q: 8. Will this work on a Yashica A tlr?

A: Yes, the following unit adapts to Bay 1 and 32 mm filters

Q: 9. Is this filter equal to a 25A red?

A: It comes close, this filter is a bit lighter and has a bit more orange in it but for the most part it will do a similar job to the 25A.

Q: 10. How do the sizes run? What size would be recommended for a small man, jacket size 36 short, 5’5”, 130 lb?

A: In the Haukland 7-in-1 Photography Jacket, all sizes are european sizes and have a regular to loose fit. For flexibility, you might order one size larger than usual. The model is wearing size L. He is 6’1” tall and weighs 198lbs so I would recommend X-small for a small man, jacket size 36, short, 5’5”, and 130 lb.