The Tiffen 3 x 3" 81A Light Balancing Filter helps to decrease the color temperature by 200K in order to warm the image slightly in order to match the color quality of illumination. When using an 81A filter, you will be able to attain 3200K balance when the prevailing light source is 3400K. 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 3 x 3" / 76.2 x 76.2mm.

Warming Light Balancing Filter    Less 200K to Convert 3400 to 3200K    ColorCore Technology

Light balancing filter decreases color temperature and provides a warming effect.

Subtracts 200K in order to attain 3200K color balance from 3400K illumination.

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

Related Questions and Answers

Q: 1. What kind of metal is the frame made out of?

A: Tiffen uses aluminum filter rings for their filters.

Q: 2. Does this fit the R12 Cart?

A: No. Designed and made for RocknRoller R6G and R6RT Carts.

Q: 3. Do you know if this will fit on a Remin Kartmaster500?

A: The unit is designed and made for the for RocknRoller R6G and R6RT Carts. But will work with others.

Q: 4. When screwing this filter onto a lens or other filters, it doesn't tighten, it just spins and spins. It unscrews fine, but it just won't tighten. Is this normal or is there a defect with the filter I received?

A: It's hard to determine your issue without additional information. Can you please email us at techsupport@a href= http://tiffen.com? target= _blank tiffen.com?/a Please provide a copy of your B&H receipt, a short video clip taken with a smartphone in which you demonstrate the issue and your name, shipping address and phone #. We would be happy to assist you with your issue as our filters come with a 10 year warranty.

Q: 5. With the Zeiss CP.2 Super Speeds being discontinued, does Zeiss intend on releasing a CP.3 Super Speed line to take their place?

A: there has been no official statement from Zeiss about a Cp.3 line of super speeds

Q: 6. does this also work on super 35 ?

A: Yes it does.

Q: 7. can fixed uv filter?

A: It is not possible to fit a UV filter to the ZEISS Compact Prime CP.3 lenses. Like most cine lenses, they are designed for use with a matte box and cut filters.

Q: 8. So this controller comes with one motor included?

A: The Teradek CTRL.3 Three-Axis Wireless Lens Controller does not come with a motor.

Q: 9. Does this case hold the XD versions of these lenses?

A: Yes, This case would also work with Zeiss CP3 XD lens models as well. We also have another choice from Jason cases that supports the XD lenses. Jason Cases Zeiss CP.3 6-Lens Case (Compact) BH #JAZECP36LCPL https://bhpho.to/3EtMijN

Q: 10. will the autofocus on FX3 / a7s III / FX6 work with this lense ?

A: The ZEISS CP.3 lenses are manual focus only