The Tiffen 2 x 3" 81D Light Balancing Filter helps to decrease the color temperature by 500K in order to warm the image slightly in order to match the color quality of illumination. When using an 81D filter, you will be able to attain 3200K balance when the prevailing light source is 3700K. The warming effect of this filter requires a 0.6-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 2 x 3" / 50.8 x 76.2mm.

Warming Light Balancing Filter    Less 500K to Convert 3700 to 3200K    ColorCore Technology

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

Subtracts 500K in order to attain 3200K color balance from 3700K illumination.

Filter factor of 1.5 requires a 0.6-stop increase in exposure.

Related Questions and Answers

Q: 1. Do all three light stands and heads fit inside the carrying bag all at once?

A: Yes, all three light stands and heads can fit inside the carrying bag at once.

Q: 2. Can this charge while shooting?

A: No, the Godox AD300pro is not designed to be charged while shooting. Its only charging method is with the external battery charger included with the AD300pro.

Q: 3. I don't understand when the spec sheet says it includes "AC Adapter, Integrated Battery" but staff says it's only battery power?

A: The Godox AD300pro Outdoor Flash BH #GOAD300PRO is battery only. The included power cord is for the battery charger.

Q: 4. How much heavier is the Stabil Light version compared to the regular one? Thanks!

A: The Easyrig Minimax STABIL Light Support System with Quick Release Hook weighs approximately 1kg or 2.2 lb more than the Easyrig Minimax with Quick Release.

Q: 5. it says it has a sliding lumidisk. I am reading answers on the Q&A that you need to buy a the $30 lumisphere. What is the difference between the two and do you really need to buy the extra part? Please un-confuse me so I can buy this correctly!!

A: The lumidisk is sold as a replacement or spare. You do not need to purchase it to use the light meter.

Q: 6. Will this work for the A7 III and Godox AD200 & Godox V860II?

A: Yes.

Q: 7. Can I get a reading from this on the flowers I shoot outside ?? J. Payne

A: Yes this meter will measure incident or reflective light outdoors.

Q: 8. For some reason I can't put an umbrella on this light as it does not hold it's position. Is there a screw to lock it into place so the umbrellas doesn't weigh it down?

A: There is a screw knob to hold the umbrella shaft in place on this light. That is located just to right of the stand adapter. However, the umbrella shaft would need to be inserted at a slight angle all the way through the umbrella slot.

Q: 9. I know that you can operate this unit wirelessly. Is there a cable wired capability?

A: The Godox AD300pro Outdoor Flash BH #GOAD300PRO has a 3.5mm sync port on the bottom side of the unit.

Q: 10. Will the cine mode work with a super 8 camera?

A: Yes it will calculate the light according to the frame rate