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Tiffen 4 x 5.65" 85B Color Conversion Filter

BH #TI85B45P • MFR #4565085B
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Tiffen 4 x 5.65" 85B Color Conversion Filter
Key Features
  • Warming Color Conversion Filter
  • 5500 to 3200K Color Temp Decrease
  • ColorCore Technology
The Tiffen 4 x 5.65" 85B Color Conversion Filter helps to decrease the color temperature from 5500 to 3200K, allowing the use of tungsten-balanced film in daylight conditions. The warming effect of this filter requires a 0.6-stop increase in exposure for normal results.
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Tiffen 4565085B Overview

The Tiffen 4 x 5.65" 85B Color Conversion Filter helps to decrease the color temperature from 5500 to 3200K, allowing the use of tungsten-balanced film in daylight conditions. The warming effect of this filter requires a 0.6-stop increase in exposure for normal results.

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 4 x 5.65" / 101.6 x 143.5mm.

Color conversion filter decreases color temperature and provides a warming effect.
Converts 5500 to 3200K for using tungsten-balanced film in daylight conditions.
Filter factor of 1.6 requires a 0.6-stop increase in exposure.
UPC: 049383019728

Tiffen 4565085B Specs

Filter Type
85B
Color Temperature
Converts 5500 to 3200K
Size
4 x 5.65" / 101.6 x 143.5 mm
Front Accessory Thread / Bayonet
No
Coating
No
Filter Thickness
0.2" / 4 mm
Filter Material
Glass
Packaging Info
Package Weight
0.5 lb
Box Dimensions (LxWxH)
6.5 x 5.2 x 1"

Tiffen 4565085B Reviews

Great quality - 4mm Cinema Filter

By Jacob
Rated 5 out of 5
Date: 2026-02-02

This is a 4mm thick filter (presumably intended for use with cinema-style matte boxes) -- this isn't mentioned anywhere on B&H or Tiffen's website -- so just be aware of this, since most of the modern popular filter holders only accept 2mm thick filters. Thankfully I was able to pick up a NiSi C6 holder on clearance to supplement the NiSi V7 I already have. It might be possible to fabricate a 2mm spacer to add to the "filter sandwich" that many holders like NiSi or Lee use -- and you can actually buy premade shims for some brands for exactly this purpose. Anyway, the filter itself is very robust, and looks and works great, as you'd expect. It comes wrapped in tissue paper inside of a thickly-padded Tiffen-branded nylon pouch with a label holder that wraps around the fold.

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