Ideal for solar photography, this 4 x 5.65" Firecrest Ultra Cinema ND from Formatt Hitech uses a rare earth mineral coating to create exceedingly neutral NDs. The filter is made from 4mm thick Schott Superwite glass, with a multicoating that is bonded in the middle to increase scratch resistance. Firecrest filters are neutral across all spectrums, including UV, visible, and infrared.

Firecrest Ultra IRND is a carbon-based filter with hyper-neutral color balance. It can be used for uniform near infrared filtration allowing your camera's color science to remain untouched. The Ultra IRND is equally compatible with ARRI, RED, Blackmagic Design, Canon, Panasonic, and other modern digital cinema cameras. This filter allows the image to be captured as the manufacturer intended.

4mm Cine Firecrest Ultra IRND have the same features as the popular 4mm Cine Firecrest ND. Firecrest Cine filters were renamed in 2019 to match the Ultra photography filters which received a new lap and polish manufacturing technique. For cinema sizes, the 4mm Firecrest ND were always lapped and polished where the 2mm photography versions were not. 4mm Firecrest ND and 4mm Firecrest Ultra IRND both have identical optical performance with the engraving being the only difference.

This filter is designed specifically for photography applications. This filter is not suitable for direct solar viewing with the naked eye, including with optical viewfinders.

For Solar Photography    3.0 Optical Density    Rare Earth Metal IRND Coating    4mm Schott Superwite Glass    Scratch and Water Resistant    Darkens Entire Image    Antireflective Edge Seal    Lap and Polish Manufacturing Technique

Related Questions and Answers

Q: 1. How many and what kind of step-up rings does this come with? Where can I get more step-up rings? Thanks.

A: The Kase Wolverine Magnetic Variable Neutral Density Filter with Adapter Ring, Gen 2 (82mm, 1.5 to 10-Stops) includes one 82mm magnetic adapter ring that goes on your lens. The adapter ring holds the filter on the lens magnetically. To order more rings, get the Kase Wolverine Magnetic Filter Adapter Ring (82mm), BH #KAMAR82MM.

Q: 2. Why is it MORE expensive to buy just the filter without the adapter included?

A: While Canon sets the MSRP on their items, as of the time/date of this reply, the cost of the Canon Drop-In Variable ND Filter A (1.5-9 Stop), BH #CADIVNDFA, and the Canon Drop-In Filter Mount Adapter EF-EOS R with Variable ND Filter, BH #CAMAEFRFDIND, on our website are currently the same price. However, I would simply recommend that if you are certain that you want the Variable ND Filter, as it is the most expensive of the filter options that are compatible for use with the Canon Drop-In Filter Mount Adapter EF-EOS R, I would simply recommend to purchase the adapter kit that comes with the Variable ND filter, the Canon Drop-In Filter Mount Adapter EF-EOS R with Variable ND Filter, BH #CAMAEFRFDIND.

Q: 3. Does it fits a 4"x4" Matte Box from another brand?

A: Yes, the NiSi Cinema True Color 1-5 Stop Variable Neutral Density Filter for C5 Matte Box is made for the C5 Matte Box, which takes both 4x4 and 4x5.65" filters.

Q: 4. will this adapter ring work with the lee 100mm system?

A: Yes, this adapter is designed for the LEE 100mm system.

Q: 5. Does this have the option to not use any ND, while keeping the filter in the adapter to avoid dust seeping into the hole?

A: You will need to add this clear filter to the drop in filter slot in the Canon EF RF filter adapter. This filter will make sure no dust gets in the camera. https://www.bhphotovideo.com/c/product/1434115-REG/canon_3444c001_drop_in_clear_filter_a.html

Q: 6. Will the variable ND be affected if the linear polariser is NOT perpendicular to the circular one? (I.e the linear Pol is positioned on a tilt as is the case with the Bright Tangerine Misfit Atom Pola+ tilt adaptor). Thanks!

A: Yes positioning the filter at an angle will affect your results.

Q: 7. My widest lens is a Nikon 17-35mm f: 2.8. Has anyone used this filter with this lens and seen any vignetting?

A: No issue with 16-24 lens on Canon 6D.

Q: 8. Hi Wanted to know Does it work to look at Sun . To check sun position?

A: No, it's not safe to use a 6 stop ND filter like the NiSi Cinema Variable ND Viewing Filter with Lanyard to directly view the sun, as ND filters are not made for a human eye, and would not protect your eyes properly from the sun's UV rays.

Q: 9. Does this fit the RF 10-20mm f/4?

A: The Kolari Vision Magnetic Clip-In ND Filter for Canon RF-Mount Cameras (10-Stop) fits in the camera and is not affected by the lens choice.

Q: 10. What is the diameter of the round glass filter in millimeters?

A: The NiSi Cinema True Color 1-5 Stop Variable Neutral Density Filter for C5 Matte Box can be used with 95mm cinema lenses and lenses with filter threads up to 82mm.