The Tiffen 3x4" 80A Color Conversion Filterhelps to increase the color temperature from 3200 to 5500K, allowing the use of daylight-balanced film in tungsten-lit conditions. The cooling effect of this filter requires a 2-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 4" / 76.2 x 101.6mm.

Cooling Color Conversion Filter    3200 to 5500K Color Temp Increase    ColorCore Technology

Color conversion filter increases color temperature and provides a cooling effect.

Converts 3200 to 5500K for using daylight-balanced film in tungsten-lit conditions.

Filter factor of 4 requires a 2-stop increase in exposure.

Related Questions and Answers

Q: 1. How many sheets are included?

A: One sheet is included.

Q: 2. Will this work in the Photogenic 12x36 strip bank?

A: The egg crate is not designed to work with the Photogenic 12x36 softbox. Also the softbox is not designed to take one.It might fit but not perfectly. And you will need to use some type of clamps to keep it attached.

Q: 3. Is it original HP 80A?

A: Yes. This is an original HP product.

Q: 4. Will this grid fit on a Westcott Rapid Strip Box 10 x 24?

A: Unfortunately, no, it would not. Instead, the Westcott 40° Eggcrate Grid for Rapid Box Strip 10x24" and Switch 1x2, B&H # WE2837, would be the correct option that would work for your usage needs.

Q: 5. Will it fit Nikon 3300.?

A: This filter will fit any lens with 37mm threads

Q: 6. 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: 7. Will this fit a standard Canon lens, (any size)? Doesn't look like it. I have a blue lens with a 37mm lens diameter and don't know how to fit it on my lenses???

A: Tiffen 37mm 0.65x Wide-Angle Conversion Lens BH #TI.65WACL wouldn't fit on any of the standard size Canon interchangeable lens. Depending on what lens you have, you might have to use a step down adapter.

Q: 8. Does this grid fit a WESTCOTT 3 x 4' rapid box?

A: Yes.

Q: 9. How would this attach to a F&V Fighter 300 flash unit?

A: These can taped and wrapped to any configuration. I've even cut them to make filters for my PAR lights

Q: 10. Will the 12 x 36 grid fit on the Westcott Rapid Box Strip XL of the same size?

A: Yes, This grid will fit on the XL strip.