The Tiffen 6 x 6" 85C Color Conversion Filter helps to decrease the color temperature from 5500 to 3800K, allowing the use of tungsten-balanced film in daylight conditions. The warming effect of this filter requires a 0.3-stop increase in exposure for normal results.

This filter is 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. It measures 6 x 6" / 152.4 x 152.4mm.

Warming Color Conversion Filter    5500 to 3800K Color Temp Decrease    ColorCore Technology

Color conversion filter decreases color temperature and provides a warming effect.

Converts 5500 to 3800K for using tungsten-balanced film in daylight conditions.

Filter factor of 1.3 requires a 0.3-stop increase in exposure.

Related Questions and Answers

Q: 1. Hi, will this works with the Pelican 1615Air ?

A: Yes this product is compatible with the Pelican 1615 Air.

Q: 2. Is this the 'darkest/deep blue' version they have? Last blue gel I got (Lee 201 and 202) was far too 'white' for what i'm looking for. I want a deep blue

A: CTB is a correction gel it is not meant for adding color. If you want a rich blue color Primary Blue https://bhpho.to/31L7fky would be a good option.

Q: 3. How many sheets are included?

A: One sheet is included.

Q: 4. How about Pelican 1510SC Studio Case and or Pelican 1560 Case, also compatible?

A: Yes, this will work with all versions of the 1510 and 1560 cases; the difference is in the internal layouts rather than the size.

Q: 5. will it fit a17" laptop

A: No, you cannot fit a 17" laptop in this pack.

Q: 6. I have seen in the description that it converts Tungsten to Daylight. Can they do the reverse?because I have a Daylight LED that I want to turn to tungsten. Or do I have to buy a different pack?

A: This filter kit includes CTO filters which will convert a daylight source to a tungsten balanced source. This can be any daylight source, LED or otherwise.

Q: 7. I saw that this is also sold with a 1" core. What size of core is this one?

A: A 1" core is also used for this filter roll.

Q: 8. How do these hold up compared to brands like LEE or ROSCO?

A: These are all very similar gels that will hold up to heat.

Q: 9. Hello! I am trying to take my 3000 K landscape light to a more warmer light like a 2700-2,500 K, like a regular halogen color. What would the 1/8. 1/4 and 1/3 get my Kelvin to? I bought the 223 1/8 but that didn't do much. Thank you!!

A: Full CTO will move the color temp from 5,600k to 2800k. 3/4 will do 5,600k to 3,200k. Smaller levels will do proportionally less.

Q: 10. What's the difference between this time and B&H#LE204R1 ? Are they the same item?

A: LE204R1 is a 1" core. This one has a standard sized core.