A Tiffen 37mm FL-D Filter is used when you wish to correct for the greenish tone that appears when shooting daylight film under general purpose fluorescent lighting.  

NOTE: The FL series of filters alone does not always guarantee 100% correct color balance when shooting under fluorescent lighting. They are general purpose filters intended for moderate correction and will not, by themselves, necessarily provide perfect color rendition.

An FL-W filter is used to balance daylight film under warm white or white type fluorescent lamps. An FL-B filter is used to correct the color balance when shooting tungsten film under fluorescent lighting.

Fluorescent lamps burn at many different temperatures and often require more demanding filtration for exact results. For specific filtration and professional use, it is strongly recommended that a color temperature meter be employed along with Color Correction filters (i.e.CC30M) when shooting under fluorescent lighting. This is the only proven way to achieve exact color correction.

Balances Daylight Film with Fluorescents

Pleasing skin tones under fluorescent lighting without flash

True-to-life color rendition

Essential in any environment where ambient light source is fluorescent

Related Questions and Answers

Q: 1. In general, how long can you expect the included battery to last? I know it is dependent on brightness but I'm just looking for an average.

A: They state it will be 1.5 hours at full power, quick math says a little over an hour. So I'd expect between 1-1.5 hours depending on brightness.

Q: 2. Can This Light take the "NP-F550" Li-Ion Battery?, or Does it Have to be the Sony 'NPF-550' Li-Ion Battery?

A: Any NP550 battery will work.

Q: 3. Is the flash Olympus FL-50R compatible with the Olympus OM-D E-M1 Mark II ?

A: Yes, it is compatible.

Q: 4. Does this flash work with om-d m1x ?

A: Yes this flash works with the OM-D E-M1X.

Q: 5. Is this flash compatible with the Olympus OM-D E-M1?

A: Yes, the Olympus FL-50R is compatible with the Olympus OM-D E-M1.

Q: 6. Is the LED non flicker?

A: This Intellytech Pocket Cannon Mini is flicker-free.

Q: 7. Can FL-700WR trigger Godox flashes for Olympus/Panasonic without buying additional receiver since Godox also use 2.4GHz X Wireless Radio System?

A: Olympus does not test our flashes with competitors products

Q: 8. Is this thing small enough to slide inside a china ball (paper lantern) to use handheld off a boom pole?

A: This light is about the size of a can of soup. It would be a DIY solution but you could rig it to a china ball.

Q: 9. Can an FL-700WR be used to trigger an FL-900 with FR-WR receiver? Is the FR-WR receiver required?

A: Can't FL-700WR operate on both optical and radio mode? Thus in optical mode theoretically it should trigger FL-900 as long as the optical receiver of FL-900 is visible from FL-700RW?

Q: 10. Guys, I want to use this on my Canon HG-21, particularly in close quarters indoors where I need a wider field of view. It looks perfect for my needs. The one question: I have a UV filter on the lens that I keep there, partially for lens protection (old school photographer habit). Can I screw this lens into the front of it, or does it need to mount directly on the lens itself?Thanks,JB

A: The Helder EW-4537 wide angle conversion lens is compatible with your Canon HG-21 camcorder. You should remove the UV filter and mount the wide angle lens directly onto the camcorder. The Helder EW-4537 has a 49mm front mount filter size and you can mount a 49mm UV filter on it.