Photographic film developer Ilford Microphen 1 L liquid concentrate for black-and-white film processing

Ilford Microphen is a liquid concentrate film developer formulated for black-and-white photographic film. Supplied as a 1 L concentrate to be diluted before use, Microphen delivers fine grain, good sharpness and controlled tonal rendition across a wide range of emulsions. It is designed for use in manual tank and tray processing and is suitable for both hobbyists and professional darkrooms. The developer is also effective for pushing faster films, providing an increase in effective film speed while retaining much of the fine-grain character.

Advantages

Microphen provides fine grain and good acutance while allowing extended development times for increased effective film speed. The concentrate format offers economical storage and flexible dilution for different working strengths. It maintains consistent tonal control across a variety of black-and-white films and is compatible with standard manual processing methods.

Suitable for

• Developing black-and-white negative film (manual tank processing)
• Tray development in darkroom environments
• Pushing fast films such as Ilford HP5 Plus, Ilford Delta 400/3200 and SFX200
• Hobbyist and professional darkroom workflows requiring repeatable results

Key specifications

• Product type: Liquid concentrate film developer
• Volume: 1 L concentrate
• Intended use: Black-and-white photographic film
• Processing methods: Manual tank and tray development
• Compatibility: Suited to a wide range of emulsions, including fast films for push processing
• Brand: Ilford
• MPN: 1173875
• EAN: 019498173875

How to use

Dilute the 1 L concentrate according to the manufacturer’s recommended working strength for the film and process in use. Mix the solution thoroughly before processing. Load film into a light-tight tank or prepare trays in a darkroom, then develop according to the film manufacturer’s recommended times adjusted for the chosen dilution and any push processing. Agitate consistently as required for the selected method. After development, stop, fix, wash and dry the negatives following standard darkroom practice.

Usage recommendations

Refer to Ilford technical data sheets for exact dilution ratios, development times and agitation patterns for specific films and desired push levels. Store the concentrate in a cool, dark place and prepare fresh working solutions for each session to ensure consistent results.