The Tiffen 6x6" Deep Green #61 Filteris a general contrast filter, primarily for use with black and white film. This dark green filter helps to lighten foliage and other green subject matter within the image while darkening red tones. The #61 filter is also used for tri-color separation and tungsten projection when used in conjunction with a #25 red and a #47 blue filter.

This filter is 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 1/10,000th of an inch. It measures 6 x 6" / 152.4 x 152.4mm.

Green Filter for Tri-Color Separation    For Black and White Contrast    ColorCore Technology

Deep green tri-color separation and tungsten projection filter when used in conjunction with a #29 red and #47 blue filters.

When used over the lens, this filter helps to lighten foliage and other green subject matter within the image while darkening red tones.

Related Questions and Answers

Q: 1. Does this gridcloth fabric come with grommets installed on the edges?

A: Yes, the 8x8 Butterfly's all have webbing reinforced edges with grommets installed. Ties are also supplied.

Q: 2. Could you please advise if theNITECORE Red Filter for 34mm Flashlight can be used for scuba diving up to 40m? Thank you.

A: The NITECORE Red Filter for 34mm Flashlight is not designed for scuba diving. If you do need a red filter on a dive light than has a 34mm bezel it will work. For recommendations on dive lights that include a filter or have a red beam please email uw@bhphoto.com.

Q: 3. Are those filters helpful or needed when using DaVinci Resolve color grading ?

A: Yes, the Tiffen 4 x 5.65" CC20G Green Filter will help you while color grading if your scene has a magenta tone and you don't want the tone in your final video.

Q: 4. Does this have elastic corners?

A: The Matthews Butterfly/Overhead Fabric - 6x6' - Lite Silent Gridcloth BH #MAF66SGCL uses grommets for fastening to a frame.

Q: 5. will this fit on a Surefire U2 Ultra with 1.47" bezel diameter? If which will?

A: This unit fits on a 1.57" or 40mm bezel but it is a difference of 2mm compared to 1.47", it should fit.

Q: 6. Can you explain silent gridcloth ? What would be the diff between this and a normal silk? Thank you!

A: Grid cloth in general would diffuse the light while focusing it down a bit. In the case of silent grid cloth, that would not produce any sound on your soundtrack when shooting in a windy environment. Other silks may produce a sound when working in the same conditions.

Q: 7. Is it a complete one piece material or there is a visible seam in the diffusion area?

A: It is seamless.

Q: 8. Does this fabric have grommets for tieing to frames?

A: The fabric does have grommets for securing the fabric to a frame.

Q: 9. Are there threads on the front of the filter?

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

Q: 10. 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.