The 6 x 6" Tiffen 85/ND Filter 6x6" 1-Stopblends both an amber color conversion 85 and a 0.3 neutral density filter. The ND filtration provides a 1-stop exposure reduction for darkening the entire image in order to photograph with a wider aperture or slower shutter speed than normally required. The 85 filtration covers the entire filter plane and converts the color temperature to 3400K for use with type A (tungsten) films.

This filter is made using ColorCore technology, a process that involves laminating the filter substrate between two pieces of optical glass, and grinding flat to a tolerance of 1/10,000th of an inch. This filter measures 6 x 6" / 152.4 x 152.4mm.

0.3 Optical Density    ColorCore Technology    Amber 85 and Neutral Density    Warming Filter to Decrease Color Temp    ND Filter to Increase Exposure Length

Combination of both an amber color conversion 85 and a neutral density filter.

0.3 ND filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required.

85 filter converts the color temperature to 3400K, allowing you to use type A tungsten-balanced film in daylight situations.

Related Questions and Answers

Q: 1. Will this filter fit inside the Wine Country Camera 150 mm x 150 mm filter vault? I see the Formatt Hitech is 4 mm thick. I think the Wine Country Blackstone filters are 2mm thick but I can find no information to verify this.

A: The Wine Country filter holders have 2mm slots, so that filter is not compatible.

Q: 2. Would this fit over an 18-135mm lense?

A: You need a filter holder (i.e. Hitech 85 mm) and then an appropriate adapter ring to fit the filter threads on your lense. I've used this set-up on lense filter sizes ranging from 49-62 mm

Q: 3. Will it work on Zeiss 15mm f/2.8?

A: As long as your lens takes this size of filter. Not sure if your lens has a bulbous front or not. I have this filter on a 10-24 7mm thread no problem

Q: 4. We are traveling. How large is this? Will it fit in a camera bag? Or camera back pack?Thanks!Nancy Johnston

A: This filter is 85 x 107mm and will fit in camera bags or backpacks. There is also a pouch available that is dedicated for this size filter: http://bhpho.to/1hE6F8s

Q: 5. does it work with 100X100 Lee Filter Holder?

A: Yup! The Formatt Hitech 3-stop 4x4/100x100mm filter will fit the Lee 100x100 filter holder. This should have no problems fitting into any 100x100 2mm-thick filter holder.

Q: 6. I have heard many good things about 100mm formatt filters. Does the quality of those 85mm resin filters is the same of other Formatt filters?I plan to use them in top of my 77mm B+W circular ND filters, by using a cheap Cokin P holder. To be used on Fuji X-T1.Thanks

A: I think it's a good filter and a good buy. It is quite a bit cheaper than many other brands, but it is much more scratch resistant than the very inexpensive ones.

Q: 7. For taking direct pictures of the sun does the sun come out black and white (b+w) only?

A: No. It is color. It will shade the lens for longer exposure. Love mine!

Q: 8. will this fit a cokin filter holder?

A: Yes this can fit the Cokin EVO Z-Pro Holder.

Q: 9. Where is this filter made?

A: According to our records, the Formatt Hitech 77mm Firecrest ND 1.8 Filter (6-Stop) is made in the UK. Please note that this is subject to change at any time.

Q: 10. Are the stops marked clearly?

A: Formatt Hitech 67mm Firecrest ND 1.8 Filter (6-Stop) is a solid ND so it only blocks 6 stops. A variable ND filter would have marked stops on the ring such as this Tiffen: https://bhpho.to/2SR9RfT