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Red glass screw-in camera filter, 49mm threads, #25 designation

Tiffen

Tiffen 49mm #25 Glass Filter Red

SKU CH-AX2Q-ZF7E3

A red glass filter that deepens contrast in black-and-white images and cuts blue light for dramatic skies

  • Dramatic black-and-white contrast with #25 red glass filter
  • Superior optical clarity from high-quality glass construction
  • Scratch-resistant glass protects lens during extended use
  • Precise 49mm threading prevents light leaks on compatible lenses
  • Versatile creative effects for infrared film and moonlit simulations

Tiffen 49mm #25 Red Glass Filter

The Tiffen 49mm #25 Red Glass Filter is a screw-in camera accessory designed for 49mm lens threads. It uses high-quality optical glass to deliver minimal distortion and strong scratch resistance. Precise threading ensures a secure, light-leak-free fit on compatible lenses. This filter helps photographers manipulate light for creative and corrective effects.

Ideal for black-and-white contrast control

Photographers shooting black-and-white film or digital will gain dramatic contrast, richer skin tones and stronger cloud definition in landscapes. The red glass cuts blue light, which also helps simulate moonlight scenes or cut through haze. Colour shooters wanting neutral colour balance or autofocus systems sensitive to infrared leakage should choose a different filter type.

49mm thread and #25 red density

The filter fits only lenses with a 49mm front thread and provides a fixed #25 red filtration density. Buyers must verify their lens thread size before purchase, as other diameters will not mount. The set density cannot be adjusted, so users needing variable strength or a different colour effect require a separate filter.

Highlights

  • Dramatic black-and-white contrast with #25 red glass filter
  • Superior optical clarity from high-quality glass construction
  • Scratch-resistant glass protects lens during extended use
  • Precise 49mm threading prevents light leaks on compatible lenses
  • Versatile creative effects for infrared film and moonlit simulations

Specifications

No published specifications for this item yet.

Questions about this item

How often will the 49mm threads need cleaning to keep them attaching smoothly?

Wipe the threads with a microfiber cloth whenever dust is visible; the precise threading tolerances stay reliable with only occasional cleaning.

What is the first optical limit reached when shooting bright scenes all day with the #25 filter?

The deep red tint cuts roughly three stops of light, so exposure time or ISO hits its practical ceiling before the glass itself degrades.

Does the glass heat up or add electronic noise during continuous daylight use?

No — it is a passive optical element with no electronics, so it generates zero heat and adds no digital noise regardless of how long you shoot.

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