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Tiffen 6 x 6" Double Fog 1/4 Filter

BH #TIDFQ66 • MFR #66DF14
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Tiffen 6 x 6" Double Fog 1/4 Filter
Key Features
  • Provides a Fog-Like Effect to Image
  • Dramatically Lowers Contrast
  • Maintains Sharpness and Minimizes Flare
  • ColorCore Technology
The Tiffen 6 x 6" Double Fog 1/4 Filter simulates the effects of natural fog or mist by creating a soft glow around highlights and lowering the overall contrast of the scene. When compared to the standard Fog filter, this filter places greater emphasis on lowering the contrast while maintaining sharpness and minimizing the effects of flare. The 1/4 density provides more fog effect that the 1/8, but less than the 1/2, and requires no exposure compensation.
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Tiffen Double Fog Overview

The Tiffen 6 x 6" Double Fog 1/4 Filter simulates the effects of natural fog or mist by creating a soft glow around highlights and lowering the overall contrast of the scene. When compared to the standard Fog filter, this filter places greater emphasis on lowering the contrast while maintaining sharpness and minimizing the effects of flare. The 1/4 density provides more fog effect that the 1/8, but less than the 1/2, and requires no exposure compensation.

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. This filter measures 6 x 6" / 152.4 x 152.4mm.

Provides a fog-like effect with dramatically lowered overall contrast.
Maintains greater sharpness and is less affected by highlight-flare than the standard Fog filter.
Does not require exposure compensation to make up for filter effect.
UPC: 049383168730

Tiffen Double Fog Specs

Filter Type
Double Fog (Grade 1/4)
Size
6 x 6" / 150 x 150 mm
Front Accessory Thread / Bayonet
No
Coating
No
Filter Thickness
0.2" / 4 mm
Filter Material
Glass
Packaging Info
Package Weight
0.8 lb
Box Dimensions (LxWxH)
8.2 x 7.5 x 1.2"

Tiffen Double Fog Reviews

Excellent diffuser for price

By Lawrence
Rated 5 out of 5
Date: 2026-08-23

I purchased this filter for my star pics. I wanted to make the brighter stars pop while suppressing the lesser stars. Seems to be doing what I wanted. Here is a 3 minute tracked image @50mm with the filter attached to my Voigtlander lens and astro modded A7iii.

Play Misty For Me

By Randall
Rated 5 out of 5
Date: 2024-06-20

I purchased this Double Fog 3 filter for astrophotography using a wide and fast lens. I have not used the filter yet, other than to screw it on the camera lens, but have read many reviews on astrophotography sites that recommend this exactly filter to accentuate the brighter stars in the sky for a more interesting photo. B&H shipped this piece quickly and with great packaging care. I inspected the filter and it appears perfect.

See any errors on this page?

What's the difference between double fog 3, and ...

What's the difference between double fog 3, and just regular double fog, strength of effect?
Asked by: Zach
Tiffen Double Fog comes in various strengths. The higher the number, the stronger the effect. Double Fog 3 is the strongest strength.
Answered by: Tiffen Technical Support
Date published: 2019-01-18

will also add Night Fog or Black Fog ( 82mm) on ...

will also add Night Fog or Black Fog ( 82mm) on the lists?
Asked by: Hong Nin
The Tiffen 82mm Double Fog 1/4 Filter will create a general natural fog or mist effect that will vary in different lighting situations. The overall effect will be a soft glow around highlights and low contrast.
Answered by: Marvin C
Date published: 2024-05-16

Does this fit in the Nisi 100 filter holder?

Does this fit in the Nisi 100 filter holder?
Asked by: Ray
The Nisi 100 filter holder is designed for 2mm thick filters. Tiffen MPTV filters are 4mm thick which allows the filter "effect" to be laminated in between two pieces of glass. This prevents the "effect" from being scratched and also makes the filter more durable. To hold our 4x4 or 4x5.65 MPTV filters you can use the Tiffen Pro100 filter holder.
Answered by: Tiffen Technical Support
Date published: 2020-02-06

question

How does this 2x2 filter attach to the front of the camera? It doesn't say what kind of attachment is needed.
Asked by: Anonymous
2x2 filters are to be placed on lights, rather than the camera itself. Certain lights will have a holder built in.
Answered by: Heather S.
Date published: 2018-08-27

question

Does this add a decent fog effect in video? or it just for still photography use?
Asked by: Juan
This filter works for still or video
Answered by: Tiffen Support Tiffen Expert
Date published: 2018-08-27
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