DIY Photography

Hacking Photography - one Picture at a time

  • News
  • Inspiration
  • Reviews
  • Tutorials
  • DIY
  • Gear
Search

Submit A Story

Black & white film reversal process – how to turn your negatives into film positives

Aug 30, 2017 by Davide Rossi 3 Comments

  • Share
  • Tweet
  • Flipboard
  • WhatsApp

I think in photography the experiment set fire to the passion. There are endless ways to deepen the photographic knowledge, the surprise that can result on an experimental event, is electrifying!

In my experiment program I had on the list to deepen my rudimentary attempts to reverse every type and format of black and white film in and out of production for other uses such as graphic arts films.

To undertake these pathways, it is necessary to have a good knowledge of the darkroom so that you can move with the right care and to avoid throwing many materials without getting results.

Why reverse a black and white film to get a positive one?

Because it is the way to create a direct positve original by the extraordinary richness of detail, because it is unique and made alive by light, because you can make a backlight reveal the shape of an object.

It’s really a very detailed photograph, with fascinating nuances and deep densities, they take your eyes wondering marvellous.

8×10″ Camera, old orthochromatic film 12iso, 360mm lens

8×10″ Camera, old orthochromatic film 25iso, 210mm lens

What you see is not something that happens every day, it is not a monitor with a file on it!

I’m talking about something else, something rare, photosensitive silver transformed magically to be tasted like a unique and unrepeatable piece, in which light is bundled inside it.

This is what I see when I shed my eyes in front of a slide created by a big 20x25cm camera, faces that live their own light with such a detailed skin roughness to make you smile because it does not even look alive with the your own eyes.

How

There are two ways to get the result described, one is to buy a chemical reversal kit for black and white films ready to be found on the web, the other is to consult the bestseller of the darkroom, the mythical “FOTORICETTARIO GHEDINA”.

In both cases, understanding the steps, improving them to get a result that can be evaluated as good, is extremely challenging and make use of a lot of time and experience.

It took me more than four days of total isolation and immersion in the dynamics of this specific matter, intuitions, exhaustive attempts at the limit of patience and various consultations with my friend Mario, chemist and photographer from far Sicily.

The surprise ends when I realize it’s the way it is, it’s all easier.

One of the most insurmountable difficulties is that each film has a different behaviour during inversion, even the actual sensitivity can change considerably. Once the right balance is reached, the recipe is ready and can be put into practice to get the expected result.During the experiment were used 35mm film, large format 4×5 “, large format 8×10”, several different brands, Ilford HP5, Ilford FP4, Ilford PAN F Plus, old AGFAPAN 100 18×24 of the early 1980s, KODAK TRI-X, FOMAPAN 100, Orthochromatic films no longer in production and graphic arts films.

KODAK PLATES P300, panchromatic plates of the sixties

KODAK PLATES P300, enlarged detail

In the test was also used the rare KODAK PLATES P300 and panchromatic plates from the ’60s, with a rare beauty.

After a proper search for the right sensitivity, all the films have had very good results among them, from contrast to tonal separation, the margin to making mistakes is really minimal.

A project

I plan on a project that provides direct positive effects of a giant format and I had to be able to count on the possibility of inverting various kinds of films with discreet simplicity.

My research was aimed at simplifying, trying to summarize the process in a few simple steps to shorten the time.

The recipe I have been able to carry out implicate the reversal of all black and white films with three easy and simple steps in two chemical baths.
Soon I will make it known to all those who are curious and attracted to experimental photography.

The result satisfy me a lot, the procedure opens the door to a new road in the field of experimentation, could not be better!

About the Author

Davide Rossi is a fine art photographer based in Italy. He has twenty years of photographic experimentation behind him, driving his passion. As well as working as a professional photographer, he runs courses and workshops in film photography including working in the darkroom and making wet prints. You can find out more about Davide on his website and follow his work on Facebook. This article was also published here and shared with permission.

FIND THIS INTERESTING? SHARE IT WITH YOUR FRIENDS!

  • Share
  • Tweet
  • Flipboard
  • WhatsApp

Related posts:

Photographer Uses Hundreds Of Film Negatives To Create A Single Work How to edit colour film negatives in Photoshop in a few simple steps Film Ferrania is back with P30 Alpha black & white film shipping this month A simple seven-step process to create dramatic black and white images in Lightroom

Filed Under: Inspiration Tagged With: analog photography, Analogue, Davide Rossi, Film Photography, Photography, Reversal Process

« Sports reporter thinks his iPhone calculator app is a light meter and gives out readings on air
How to fake realistic background blur in Photoshop in 3 simple steps »

Submit A Story

Get our FREE Lighting Book

DIYP lighting book cover

* download requires newsletter signup
DIYPhotography

Recent Comments

Free Resources

Advanced lighting book

Recent Posts

  • Sony’s ZV-E1 is a cut-down FX3 in a vlogging form factor
  • Watch: How good (or bad) is an $8.50 tripod?
  • How to light and photograph Lego building interiors
  • Lighting Setup: How to light your portraits with £50 LED tubes
  • Review: Insta360 announces its first gimbal – The AI-tracking Insta360 Flow

Alex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

Dave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

Copyright © DIYPhotography 2006 - 2023 | About | Contact | Advertise | Write for DIYP | Full Disclosure | Privacy Policy