Photographers' Formulary PT/PD 21 Step Wedge

SKU: PYPTPDST MFR: 09-0325
$19.95
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Key Features

  • Achieve perfect prints with our Photographers' Formulary 21 step wedge analyzer!
  • Ensure durability with our step wedge, crafted for lasting darkroom precision.
  • Get fine adjustments using this tool for accurate film density analysis every time.
  • Enjoy light tightness, ensuring consistent results when assessing film exposure.
  • This Photographers' Formulary step wedge fits seamlessly into your film holder.
  • Simplify your workflow; use for either 4x5" or 120/220 film formats easily.
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Special Order?Estimated to Ship: 08/13/2025
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Questions & Answers

Shopper : Why Did You Choose This?JOHN B : i used the wedges when i taught a chemisry and art calss when we did photograpy, prticlar vyanotypes, van Dyes etcEMERSON B : Densitometry for film requires a step wedge. As a former commercial lab owner, I always used control strips to maintain accurate control of chemistry for C-41, E-6, and EP-2. This step wedge will allow control of B/W film.

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Review Summary

Photographers' Formulary Step Wedge Specifications

  • Used For

    Either 4x5" or 120/220 film

  • Fits

    Film Holder

  • UPC Code

    675152903259

About Photographers' Formulary Step Wedge

An essential tool for professional photographers, the PT/PD 21 Step Wedge, crafted by the reputable brand Photographers' Formulary, is designed to deliver accurate and precise measurements of color temperature and exposure in your images. This high-quality, durable tool is compatible with both 4x5" and 120/220 film, fitting seamlessly into a 4x5" or 120 film holder for easy use.

The 21-step wedge is a versatile accessory, offering a range of film densities from .05 to 3.00 units, in increments of approximately .15. These increments correspond to 1/2 stop intervals, allowing for meticulous control over your image exposure. This feature makes the PT/PD 21 Step Wedge an invaluable asset for photographers working with alternative processes, as it aids in determining the perfect exposure for each shot.

Optimize your photography process with the PT/PD 21 Step Wedge, a professional-grade tool that ensures your images are accurately exposed and colored, enhancing the overall quality of your work.

Photographers' Formulary Step Wedge Features

  • Professional-grade PT/PD 21 Step Wedge for precise exposure measurement
  • Compatible with 4x5" and 120/220 film formats for versatile use
  • Accurate film density range from .05 to 3.00 units for detailed exposure control
  • Easy-to-use design fits directly into standard film holders
  • Incremental steps of approximately .15 corresponding to 1/2 stop intervals
  • Ideal for photographers specializing in alternative processes

Key Features

  • Achieve perfect prints with our Photographers' Formulary 21 step wedge analyzer!
  • Ensure durability with our step wedge, crafted for lasting darkroom precision.
  • Get fine adjustments using this tool for accurate film density analysis every time.
  • Enjoy light tightness, ensuring consistent results when assessing film exposure.
  • This Photographers' Formulary step wedge fits seamlessly into your film holder.
  • Simplify your workflow; use for either 4x5" or 120/220 film formats easily.