The Tiffen 4 x 4" 82 Light Balancing Filter helps to increase the color temperature by 100K in order to cool the image slightly in order to match the color quality of illumination. When using an 82 filter, you will be able to attain 3200K balance when the prevailing light source is 3100K. The cooling 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 4 x 4" / 101.6 x 101.6mm.

Cooling Light Balancing Filter    Adds 100K to Convert 3100 to 3200K    ColorCore Technology

Light balancing filter increases color temperature and provides a cooling effect.

Adds 100K in order to attain 3200K color balance from 3100K illumination.

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

Related Questions and Answers

Q: 1. Is this unit capable of stroboscopic effects?

A: Yes, the Godox ad300 offers stroboscopic flash.

Q: 2. What is the soft box size and liner (white or silver) thanks

A: The box 60cm and has a silver interior

Q: 3. easy to take bulb out and in? and where can i purchase other bulbs?

A: Yes, it has a simple spring action to remove bulb.See recommended accessories for replacement bulba href= http://www.bhphotovideo.com/c/product/610267-REG/Impact_EMD_EMD_Lamp_750W_120V.html/pageID/accessory target= _blank http://www.bhphotovideo.com/c/product/610267-REG/Impact_EMD_EMD_Lamp_750W_120V.html/pageID/accessory/abe sure not to move this light when it is hot, the bulb will burn out

Q: 4. what is the kelvin rating on the bulb for this light?

A: Color Temperature 3200K

Q: 5. What is the difference in application for the white versus basic umbrella?

A: The Basic Umbrella Kit offers a Lowel Silver Tota-Brella, which is better for adding contrast or brighter highlights, while this particular Tota-Light One Light Kit offers a Lowel White Tota-Brella for a softer light quality.

Q: 6. In cordless flash mode can I set the F stop and have the meter determine the shutter speed?

A: Typically shutter speed has no bearing with flash photography, basically a 1/60 sec or whatever the sync speed is on your camera. Unless you are doing fill flash outside, it does not matter and even then it is best to calculate shutter speed manually.

Q: 7. Can I attach a gel to this light to convert it to Daylight?

A: Yes but teh filter should never touch the lamp because is goin to melt in seconds. Actualy the recomendation is to use the accesory to put the filters safe

Q: 8. Can this lamp use LED bulbs?

A: The Lowel Tota can not use LED lamps.

Q: 9. how tall are the light stands?

A: The light stands are about 6 feet tall.

Q: 10. How long will the battery last when running the modeling lamp run continuously?

A: The Godox AD300pro Outdoor Flash BH #GOAD300PRO can do 300 full power flashes with the modeling lamp off. The 35Wh battery would run the 12w modeling lamp just under 3 hours if you took no photos. Combine the two and you would get less run time and flashes.