The LEE Filters 243 Fluorescent 3600K Filter Roll 48x25from LEE Filters 243 Fluorescent 3600K Filter Roll 48x25can be applied over a tungsten light fixture to convert its output to 3600K fluorescent. This filter is constructed from polyester that is heat resistant to 356°F and is delivered as a 48" x 25' roll on a 1" core.

Under 3200K tungsten light, the 243 Fluorescent 3600 Kelvin Filter exhibits a 0.29 density and transmits light at 50.9%. Under 6774K Source C light, this filter exhibits a 0.34 density and transmits light at 45.7%.

Tungsten to 3600K Fluorescent Light    0.29 Density for 3200K Tungsten    50.9% Light Transmission for 3200K    0.34 Density for 6774K Source C    45.7% Light Transmission for 6774K    Heat Resistant to 356°F    Polyester Construction

Related Questions and Answers

Q: 1. Isn't this the #21 orange standard?

A: A #21 orange filter is the standard type. A #22 filter is more like a deep orange.

Q: 2. Is there a belt loop on the back? Is it Velcro like a slip-lock?

A: The pouch has belt loops on the back.

Q: 3. What is the difference between the material of this and LEE Filters 400 LEELux Filter (60" x 20")?

A: The LEE Filters 216 White Diffusion Filter (60" x 25' Roll with 1" Core) and the LEE Filters 400 LEELux Filter (60" x 20' Roll on 1" Core) in use are the same.

Q: 4. What is the filter factor for this filter??? Is any adjustment in exposure required?

A: Lee says there is no filter factor for the Elements Circular Polarizer Filter (72mm). But this filter will block 1 stop of light at the maximum density setting.

Q: 5. This a square circular polarizing filter. For those who bought this, how do you adjust it while using it with other filters such as graduated neutral density and still maintain the right composition with the position of the graduated filter?

A: Unfortunately with this system there is no option to rotate a polarizer independently of a grad filter. I would recommend getting the Nisi holder for 150mm filters. As far as I know, they are the only brand that has round 150mm polarizers for their system and your lee filters will fit in the slots.

Q: 6. What's the difference between this and SKU 216RW ?

A: 216RW is the standard core size. This one has a smaller 1" core. The filter is the same density and size.

Q: 7. How is this installed?

A: You can use gaff tape https://bhpho.to/3353R3h.

Q: 8. Canon 5D Mark III (full frame) and Canon 16-35mm f/2.8 lens. If used without any type additional screw-on filter, will there be a problem with vignetting or obstruction at 16mm?

A: Firstly, you should get the Lee wide angle adapter ring. Having said that, you may still get vignetting at 16mm, you may have to zoom out to 17 or 18mm to clean it up.

Q: 9. How is this different from the 105mm polarizer?

A: The 105mm filter is threaded and this is a Snap-On Circular Polarizer Filter.

Q: 10. Will the Formatt Hitech 100 x 100mm Firecrest ND Filter work with the New Lee 100 Filter Holder?

A: If it is a standard thickness, yes this will be able to take any 100mm square/rectangular filter.