This 6.6 x 6.6" Tiffen Water White Glass IRND Filter 6.6x6.6 3-Stopis a neutral density filter with an 8x filter factor that provides a 3-stop exposure reduction. Its 0.9 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By increasing your aperture or slowing your exposure time, you are able to control depth of field and convey movement more easily. Neutral density filters are intended to not affect the coloration of the image and are ideal for pairing with other filters.

The design of this filter has been optimized for use with digital sensors and to promote nearly flat attenuation of visible and infrared light. Due to imaging sensors' greater susceptibility to infrared light, compared to traditional film, color casts can occur when photographing darker subjects that require increased exposure times.

This Tiffen 6.6 x 6.6" Water White Glass NATural IRND 0.9 Filter is constructed from Water White glass for increased clarity as well as color fidelity. It 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. It measures 4mm thick.

0.9 Optical Density    Water White Glass Construction    Darkens Entire Image    Allows Reduced Shutter Speed    Allows Wider Aperture    Neutral Results, Visible, & IR Spectrums    Includes Padded Pouch

6.6 x 6.6" neutral density filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required.

Providing a 3-stop exposure reduction, this filter allows you to control depth of field and convey movement more easily.

Filter does not affect coloration of the image and is ideal for use with other filters.

Constructed from Water White glass for increased optical clarity.

Noncoated.

Padded pouch included for storage and transport.

Related Questions and Answers

Q: 1. What Filter Thickness is? 2 or 4 mm?

A: Haida 4 x 5.65" V-Pro Series MC IRND 0.6 Glass Filter (2-Stop) are 4mm thick.

Q: 2. Can this be used as a drop-in filter (with the threaded drop-in) with Canon 300mm f2.8L IS USM II & 600mm f4L IS USM II lenses?

A: Yes, the Hoya HD MKII IR ND8 Neutral Density Filter (52mm) can be used as a drop-in Canon EF 300mm f/2.8L IS II USM Lens and the Canon EF 600mm f/4L IS II USM Lens.

Q: 3. Does this filter has a foam like old Lee Stoppers to block light leak ?

A: Yes, the LEE Filters 100 x 100mm ProGlass IRND 1.8 Filter (6-Stop) has the Gasket for Light-Blocking Seal.

Q: 4. Most solar filters I've seen are rated at 16.5 stops. Why is this filter rated at 18 stops?

A: The solar filter minimum recommended is 16 stops, however it is not limited to be only at 16 or 16.5 stops.

Q: 5. one paragraph specifically says "This filter IS designed for direct solar viewing" then another paragraph says it is NOT ?

A: The Kolari Vision Pro IRND Filter (20-Stop, 77mm) does not allow direct solar viewing with your bare eyes/optical viewfinder. It allows for solar photography.

Q: 6. How is this different from the big stopper?

A: The big stopper is 10 stops and this filter is 15 stops.

Q: 7. Would the 40.5mm version of this 18-stop solar filter be compatible with my Sony 600GM's drop-in filter system? Thanks!

A: Yes, the Tiffen Solar ND Filter (40.5mm, 18-Stop, Special 50th Anniversary Edition) can be used as a drop-in filter for the Sony FE 600mm f/4 GM OSS Lens.

Q: 8. Will this filter fit the Nikon AF-S 200-500mm 1:5.6E ED lens?

A: Yes the Tiffen Solar ND Filter (95mm, 18-Stop, Special 50th Anniversary Edition)with fit the Nikon 200-500mm lens.

Q: 9. What’s the transmission value of this filter? Thanks

A: Filter Factor 2.3x (1.2-Stop) to 2.8x (1.5-Stop)

Q: 10. Will this filter fit a canon zoom EFS 55-250mm (58mm)?

A: The Tiffen Solar ND Filter (55mm, 18-Stop, Special 50th Anniversary Edition) is too small for the Canon EF-S 55-250mm f/4-5.6 IS STM Lens. Instead, get the Tiffen Solar ND Filter (67mm, 18-Stop, Special 50th Anniversary Edition), BH #TI67ND54, and the Sensei 58-67mm Aluminum Step-Up Ring, BH #SESUR5867.