The Tiffen 6.6" CC40R Red Filteris 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 CC40 is more dense than a CC30 filter and less dense than a CC50 filter, and requires a 0.6 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 6.6 x 6.6" / 167.6 x 167.6mm.

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. Is this filter suitable for use with the Blackmagic Cinema Camera 2.5k? It seems to be targeted to cameras with built-in IR.

A: This filter is designed for cameras which have known IR pollution issues. The filter will remove IR light up to 880nm.

Q: 2. Do the Tiffen IRND filters come with any pouch or case?

A: Comes with a case.

Q: 3. Hi, i didn’t receive the said equipment yet

A: Please call our customer service department for product eta at 800-221-5743.

Q: 4. Does this filter come with a pouch?

A: Yes, it comes with a filter pouch.

Q: 5. Is the filter holder is available along with the Redrock micro Matt box,or should I buy as an accessory, which size filter is compatible with Canon cn-e 14.5 to 60mm t/2.6 lens(133 front diameter)

A: The filter holder in the Redrock micro Matt Box holds up to 4x5.65" filters. But if one is using the Canon cn-e 14.5 to 60mm t/2.6 lens with a 133mm diameter, one will need a Formatt Hitech 165mm Lucroit Filter Holder Kit: https://bhpho.to/2Lazzp8 for 165mm filters.such as the Formatt Hitech 165 x 165mm Firecrest ND 0.3 to 0.9 Filter Kit: https://bhpho.to/2KRpcHF

Q: 6. Would I have problems with BMPCC 6K Pro False Color metering when using this filter?

A: Yes. All meters are frequently inaccurate with colored filters because the light sensitivity of the meter is different from the light sensitivity of the sensor. Using a light meter helps with the. just be mindful that the following units offer a light loss filter factor of 2x (1-Stop) to 2.8x (1.5-Stop)

Q: 7. Can I stack these filters in front of each other? Or will that cause visual issues?

A: You can stack the Tiffen Full Spectrum IRND 0.6 filter, however you may potentially experience flare.

Q: 8. How many steps are recommended of IRND filters to build a set to work primarily in Sony sLog mode?

A: Please contact techsupport@tiffen.com for assistance as this question is more in depth than a response here can satisfy.

Q: 9. Do the Tiffen IRND filters come with any pouch or case?

A: The Tiffen 4x4 Full Spectrum IRND 1.2 Filter comes with a pouch.

Q: 10. Does this come with a case or pouch?

A: This comes with a pouch