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Introducing the premium pyro staining developer that won the Silvergrain Classics Awards 2021, exclusively in AU at Decisive Moment Shop!

An award-winning developer, 510 Pyro is one of the more modern pyro developers, that was invented by Jay DeFehr, offering exceptional fine grain, sharpness, more than 6 years shelf life, maximum image stain and minimal general stain and is suitable for rotary processors too.

The stain offered by this developer gives extraordinary shadow recovery in direct digitisation of negatives; incredible highlight separation for darkroom printing and more density for highlights when using UV based alt process printing methods.

By using extremely dilute working solutions - 1:100 to 1:500, this makes this developer also extremely economical!


  1. Razor sharp and extremely fine grained - most ISO 100 films go grainless! Unrivalled long tonal range particularly in shadows and highlights

  2. A 100ml bottle develops 30-100 35mm rolls, 6+ years shelf life

  3. Protects film from damage and uniquely gives negatives that are optimised for scanning, silver gelatine and UV printing processes with the same development time


100ml bottle with syringe included.


SDS and Technical Data sheet available here:

Zone Imaging 510 Pyro b/w film developer

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