The Tiffen 4x5" #56 Light Green Filteris a general contrast filter, primarily for use with black and white film. This light green filter helps to lighten foliage and other green subject matter within the image while darkening red tones.

Tiffen filters are made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass and grinding flat to a tolerance of 10,000th of an inch. It measures 4 x 5" / 101.6 x 127mm.

#56 Filter for General B&W Contrast    Lighten Foliage, Darken Red Tones    ColorCore Technology

Helps to lighten foliage and other green subject matter within the image while darkening red tones.

Related Questions and Answers

Q: 1. Filter Factor 2x (1 Stop)?! According to Ansel a #61 Green has a Filter Factor of 12. As also listed on the Kodak specs for same type of filtre. Is this a typo?

A: This filter is 2.5 stops

Q: 2. What is the filter factor for this? I can't seem to find that data on Tiffen's website.

A: This filter has a filter factor of 4 as per Tiffen.

Q: 3. When screwing this filter onto a lens or other filters, it doesn't tighten, it just spins and spins. It unscrews fine, but it just won't tighten. Is this normal or is there a defect with the filter I received?

A: It's hard to determine your issue without additional information. Can you please email us at techsupport@a href= http://tiffen.com? target= _blank tiffen.com?/a Please provide a copy of your B&H receipt, a short video clip taken with a smartphone in which you demonstrate the issue and your name, shipping address and phone #. We would be happy to assist you with your issue as our filters come with a 10 year warranty.

Q: 4. Does this low-light version have less of a polarizing effect than the standard?

A: The polarizing effect is the same as other polarizers. Keep in mind this is a linear polarizer and is meant for camera systems which have older exposure metering systems. Mainly used for older film cameras.

Q: 5. Will this filter fit on a Zeiss 28mm Biogon lens?

A: Yes, the Leica E46 will fit lenses with a standard 46mm filter thread such as the Zeiss 28mm Biogon. I use the Leica E46 Green filter on a Zeiss 50mm C Sonnar lens. However, I mostly use the excellent B+W F-Pro MRC filters at 1/3rd the cost of the Leica branding.

Q: 6. Will this filter fit a Tokina 11-16mm lens?

A: This filter will fit any lens with 77mm filter threads

Q: 7. Are there threads on the front of the filter?

A: Yes, the Tiffen #11 Green (1) Filter (43mm) has 43mm front threads.

Q: 8. What is the filter factor for the orange filter ? What exposure compensation is required because of light loss ?

A: Orange filters usually have a filter factor of 3 or 4, so a 1 2/3 or 2 stop adjustment is called for.

Q: 9. (re Tiffen #11 Green Filter, 43mm) What is the thread pitch for this filter? Will it fit on a Zeiss Biogon ZM 35mm F2.8? Thanks!

A: This filter works on all lenses with a 43mm filter thread size, the pitch is .75

Q: 10. What kind of metal is the frame made out of?

A: Tiffen uses aluminum filter rings for their filters.