The Tiffen 3 x 4" 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 4" / 76.2 x 101.6mm.

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. Greetings, Do OCF light modifiers work on this (like on the b10) or is it only RFI modifers? Thanks!

A: Aside from the Profoto RFi modifiers, the Profoto OCF modifiers can also fit the B1X.

Q: 2. Is it fan cooled?

A: Yes, the Godox QT600IIIM Flash Head is fan cooled.

Q: 3. Can we use Profoto B1X 500 along with Profoto D2 1000 during Freeze mode and during HSS mode ?

A: The Profoto B1X can be used along with a Profoto D2 monolight when both are set to freeze mode or HSS mode.

Q: 4. Does it have a luggage sleeve?

A: The Manfrotto Pro Light Multiloader 17L does not offer a luggage sleeve.

Q: 5. How to convert Manfrotto multiloader to sling bag

A: In the Manfrotto Pro Light Multiloader 26L Camera Backpack you can change the attachments to change it from a backpack to a duffel bag to a one-shoulder sling with the side-zippers. If you need help, please connect with us over a video chat and an expert from our store will be happy to demonstrate this for you using the bag on display.

Q: 6. Can I purchase two of these, and use all 4 lights with a single trigger/camera?

A: Yes, 2 Godox MS300-V Studio Flash Monolight kits (4 lights) can be fired with one camera and one trigger/camera.

Q: 7. How long is the power cable to the "power brick"?

A: The exact length of the cable is not listed, but it will only be a few feet.

Q: 8. Are you able to adjust the kelvin temperature to an exact number? Or do you only have two options to choose from - 3200K and 5500K?

A: You can adjust the color temp anywhere from 3200-5500k.

Q: 9. can you synchronize with other transmitters to make it work together with other flashes?

A: yes, just plug into the mini port on the bottom of the flash

Q: 10. Is it compatible with Sony A7III?

A: The Godox SK400II-V Studio Flash Monolight (2-Light Kit) is a manual strobe and is compatible with the A7III camera.