Designed to eliminate UV contamination up to 400nm, the Formatt-Hitech 105mm Firecrest SuperSlim UV 400 Filter is specially designed for use when photographing at high altitudes and in snow, and serves to reduce bluish casts and haze as well as increase contrast and clarity. This unique filter also features a 15-layer Firecrest coating, which further serves to minimize surface reflections and maintain light transmission for consistent color accuracy and image acuity. Additionally, a UV filter is also useful as a general protective filter to leave on lenses at all times for protection against accidental impacts or scratching to the lens.

This filter is constructed from Schott Superwite glass for maintained image quality and is set in an aluminum filter ring. The SuperSlim ring measures 5.5mm-thick and its slim design helps to minimize the likelihood of vignetting. This filter features front threads to permit stacking of additional filters or the attachment of a lens cap.

Absorbs Ultraviolet Light Up to 400nm    Reduces Bluish Cast of Daylight    General Protective Filter    15-Layer Firecrest Multi-Coating    Hydrophobic and Scratch-Resistant    Schott Superwite Glass, Aluminum Ring    Stackable Filter Ring, 5.5mm-Thick

Absorbs UV wavelengths up to 400nm and reduces bluish cast of daylight.

Works as general protection filter to reduce dust, moisture, and scratches from reaching lens elements.

The 15-layer Firecrest coating has been applied directly to the filter glass by way of a vacuum-formed, hard-coated, electrolytic process. The multi-coating is water- and scratch-resistance for greater overall durability.

Firecrest coating attenuates UV contamination, as well as surface reflections, for increased contrast, clarity, and acuity.

Schott Superwite glass is used in order to maintain clear image quality and high light transmission.

The aluminum alloy SuperSlim filter ring measures 5.5mm-thick and features front threads for stacking additional filters.

Related Questions and Answers

Q: 1. What are the three dimensions of this filter pouch when filled with filters and closed?

A: Good question. We would say it would be 110mm x 160 x 30mm approximately.

Q: 2. Does the filter come with a case?

A: Yes, the Firecrest filters come with a case.

Q: 3. Does it fit for Cokin Type Z filter holder? (I purchased Cokin Type Z expert kit last year).

A: This circular polarizer will only work in a 100mm filter holder which accept filters that are 2mm, particularly the Formatt-Hitech Firecrest 100mm holder. The Cokin Z holder only accept filters that are 1.6mm thick.

Q: 4. Does this filter have front threads for attaching additional filters?

A: Formatt Hitech 95mm Firecrest SuperSlim Circular Polarizer Filter BH #FOFCSSCP95 has front threads for attaching additional filters.

Q: 5. How about the thickness of the filter???

A: There is no information about the precise thickness of the filter, but it is much thinner than a standard circular polarizing filter.

Q: 6. Can you stack the filters. Or dos the color get to strong?

A: It may be possible to stack filters, but it's not recommended--stacking introduces more surfaces that can reflect light and more unwanted color cast possibilities.

Q: 7. Do these SuperSlim filters fit in a standard filter tray or do you need a special tray for them?

A: 2mm 4 x 5.65" tray that comes as a part of the Formatt Hitech Firecrest Ultra Cine Superslim IRND 5 Filter Kit allows you to adapt the filters to any ARRI standard-width 4 x 5.65" matte box tray. The Superslim Tray allows you to use the filters with common matte box brands like Bright Tangerine, ARRI, Chrosziel, and others.

Q: 8. Do these filters come with individual pouches?

A: The filters are wrapped individual but they do not come with individual pouches for each one.

Q: 9. Does this filter have front filter threads? The item listing says this is a stackable filter. I have the 77mm variant and it does have front threads.

A: No front filter threads

Q: 10. Where can we buy a 0.3 filter? And also, how can we buy additional filter trays?

A: Unfortunately, we currently do not carry or special order the 0.3 / 1-stop filter (manufacturer code FCUCS4x5ND0.3) at the moment; the other Ultra Cine Superslim IRND filters are available as special order items through Firecrest. We do sell additional filter trays separately here: https://bhpho.to/3bvQXp1