The Tiffen 6x6" #11 Yellow-Green Filteris a basic contrast filter, primarily for use with black and white film. This yellow-green filter subtly darkens skies and lightens foliage. It is commonly associated for use with portraiture and attaining greater separation from skin tones and outdoor backgrounds.

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 1/10,000th of an inch.

#11 Filter for General B&W Contrast    Subtly Darken Sky and Lighten Foliage    ColorCore Technology

Yellow-green contrast filter for black and white film subtly darkens skies and lightens foliage.

Suited for portraiture, this filter helps to separate skin tones from outdoor backgrounds.

Related Questions and Answers

Q: 1. Does it fit with the media mod?

A: No, the Tiffen 3-Filter ND Kit for GoPro HERO9/10/11/12 Black does not fit with the GoPro Media Mod for HERO9/HERO10/HERO11/HERO12 Black, B&H # GOMMH9B.

Q: 2. What is the filter factor for this lens. I am guessing it costs 1.5 stops?

A: This filter has a filter factor of 2.5, so you should increase your exposure by 1 and 1/3 of a stop to compensate.

Q: 3. Is it safe to immerse the GoPro in water with this filter (in place of the lens cover already on the GoPro)?

A: Yes, you are safe to submerge the Tiffen 3-Filter ND Kit for GoPro HERO9/10 Black underwater, but please follow you GoPro's advised water limit when doing so.

Q: 4. Does this filter block IR and UV?

A: The Alpine Astronomical Baader Green Colored Bandpass Eyepiece Filter (2") BH #ALFCFG2 • MFR #FCFG-2 does not block UV or IR rays.

Q: 5. Is it compatible with Go Pro 12 also?

A: Yes. The Tiffen 3-Filter ND Kit for GoPro HERO9/10/11 Black is compatible with the Gopro Hero 12.

Q: 6. Can I stack this filter with the Go Pro Max Lens?

A: No, the Tiffen 3-Filter ND Kit for GoPro HERO9/10/11/12 Black would not be compatible with the GoPro Max Lens Mod.

Q: 7. Would it fit on Celestron E-Lux 2 inch eyepieces?

A: All filters in this set are made to fit larger 2" eyepieces. If your eyepiece has a thread for 2 inch filters, it will.

Q: 8. Is the pocket material a net or mesh material or a solid textured material?

A: The Shimoda Designs Mini Filter Wrap offers plastic mesh pocket.

Q: 9. Are these compatible with GoPro 12?

A: Yes, the Tiffen 3-Filter ND Kit for GoPro HERO9/10/11 Black is compatible with the GoPro HERO12 Black.

Q: 10. Do these come with a case?

A: The Tiffen 3-Filter ND Kit for GoPro HERO9/10 Black does not come with a case. If you would like to get a case for the Tiffen 3-Filter ND Kit for GoPro HERO9/10 Black something like the Ruggard 4-Pocket Filter Pouch (Up to 62mm) may be a good option. See: https://bhpho.to/3tx7O11