35mm film, also known as 135 format, is the most widely used camera film in the world, loaded in a light-tight cassette that drops straight into almost every film camera ever made, from pocket point-and-shoots to professional SLRs. It's the easiest format to find, the cheapest to develop, and the natural starting point for anyone getting into film photography. Compare 35mm film prices from UK retailers on Filmproof and find the best deal on your next roll.







































































































































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35mm film takes its name from the width of the film strip, and produces a standard frame of 24x36mm, though half-frame cameras split each frame in two for double the shots per roll. The format was standardised in the 1930s, building on 35mm movie stock originally developed for cinema, and Kodak's launch of the Retina camera in 1934 helped establish it as the everyday choice for still photography.
Today, 35mm remains the backbone of film photography. It's manufactured in far higher volumes than any other format, which keeps prices relatively low and choice extremely wide, everything from budget consumer colour film to specialist black and white, slide and cine-derived stocks is available in 35mm, usually in cassettes of 24 or 36 exposures.
35mm is where you'll find the broadest choice of film on the market. Colour negative options range from affordable everyday stocks like Kodak Gold 200 and Fujicolor C200 through to professional favourites such as Kodak Portra and Fujicolor Superia. Black and white shooters can choose from classics like Ilford HP5 Plus and Kodak Tri-X, while slide film fans have Fujifilm Provia, Velvia and Kodak Ektachrome to pick from.
Because 35mm is the format nearly every manufacturer supports, it's also the best place to try something different, cine-derived stocks like CineStill 800T, experimental brands like Lomography and Revolog, and boutique respools from brands such as Flic Film and Washi are almost all built around the 35mm cassette.
Because 35mm is produced at such scale, it's usually the cheapest format per roll and per exposure, and every high street and online photo lab in the UK processes it, so turnaround times and costs are lower than other formats too. It's a good idea to compare price per roll rather than sticker price alone, since 24 and 36 exposure rolls of the same film are priced differently.
Filmproof tracks live 35mm film prices across UK retailers, so you can see what's actually in stock and compare the cost per roll before you buy, rather than discovering a stockist is sold out after you've ordered.