There is nothing quite like the mechanical click of a shutter, the anticipation of waiting for your scans (or going into the darkroom), and the beautiful, imperfect charm of analog photography. While digital cameras offer instant gratification, 35mm film forces you to slow down, compose carefully, and truly understand light.
Whether you just inherited your grandparent’s vintage SLR or you're looking to buy your first point-and-shoot, stepping into the world of film can feel overwhelming. Here at Kamerastore, we handle, test, and shoot thousands of film cameras every year. In this ultimate guide, we are breaking down everything you need to know about 35mm film to get you shooting with confidence.
What is 35mm Film and How Does It Work?
35mm film (also known as 135 format) is a strip of plastic coated with light-sensitive chemical emulsion, packaged inside a light-tight metal cassette.
The "35mm" refers to the physical width of the film strip, while the standard image frame it captures is 24x36mm. When you press the shutter button on your camera, light hits the emulsion for a fraction of a second, creating a "latent" (invisible) image. Later, chemical processing develops that latent image into a visible photograph.
Most 35mm rolls come in two lengths: 24 exposures or 36 exposures.
Film Types Explained: Color, B&W, and Slide
Not all film is created equal. Depending on the look you want and how you plan to develop it, you’ll choose between three main types:
(From left to right, Slide Film, Black and White Negative Film & Color Negative Film)
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Color Slide Film (E-6)
Also known as reversal film, this produces a positive image directly on the film strip (which you can view with a projector). Slide film offers incredibly vibrant colors and fine grain, but it has very low exposure latitude. You must get your camera settings exactly right.
Best for: Landscapes, advanced shooters, projecting.
Popular Stocks: Kodak Ektachrome E100, Fujifilm Velvia 50.
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Black & White Film
Black and white film strips away color to focus on contrast, texture, and light. Traditional B&W film is beloved because it is highly forgiving and the easiest film to develop yourself at home using basic chemicals.
Best for: Street photography, portraits, learning to develop at home.
Popular Stocks: Ilford HP5 Plus, Kentmere 400, Kodak Tri-X 400.
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Color Negative Film (C-41)
This is the most common and forgiving type of film. It is processed using standard "C-41" chemicals. Color negative film has excellent "exposure latitude," meaning even if you slightly overexpose or underexpose the shot, you can usually still get a great image.
Best for: Beginners, travel, everyday life.
Popular Stocks: Kodak Gold 200, Kodak Ultramax 400, CineStill 800t.
Kodak Ektachrome 100 + Nikon F2 + 55mm Micro Nikkor (c) Jahan Saber
Decoding Film Speed (ISO / ASA)
Every box of film has a number on it (100, 200, 400, 800). This is the ISO (formerly ASA), which measures how sensitive the film is to light.
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Low ISO (50–200): Less sensitive to light. Produces very smooth, fine-grain images. Best for bright, sunny days.
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Medium ISO (400): The perfect sweet spot. Best for all-around use, changing weather, or bright indoors.
- High ISO (800–3200): Highly sensitive to light, resulting in a noticeably "grainy" vintage look. Best for low-light, indoors, or fast action.
(High ISO, 3200) Kodak P3200 + Nikon F2 + 55mm Micro Nikkor (c) Jahan Saber
Choosing the Right 35mm Camera
Choosing a film camera boils down to how much control you want.
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Point-and-Shoots: Compact, fully automatic cameras. Just load the film and press the button. Great for parties and travel.
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SLR (Single Lens Reflex): Cameras with interchangeable lenses and manual controls (like the Canon AE-1 or Olympus OM-1). Best for learning the true mechanics of photography.
- Rangefinders: Compact, quiet cameras with manual focusing mechanisms (like the more affordable Canonet QL17 or premium Leica M series). Great for street photography.
Pro Tip: A vintage camera is only as good as its mechanics. Buying untested cameras from thrift stores often leads to light leaks and jammed shutters. Always buy tested and serviced gear, like the certified and restored cameras we sell at Kamerastore, to ensure your first roll isn't ruined by a faulty shutter.
Step-by-Step: How to Load, Shoot, and Rewind
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Loading: Open the camera back. Pull a few inches of the film "leader" across the back and slot it into the take-up spool. Make sure the sprocket holes align with the camera's gears. Advance the film and fire the shutter 1-2 times until the counter reads "1". Watch the rewind knob—if it spins when you advance the film, it’s loaded correctly!
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Setting ISO: If your camera isn't fully automatic (DX-coded), manually set the camera's light meter dial to match the ISO on your film box.
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Making photographs: Keep an eye on your light meter. Remember to keep your film out of extreme heat (like a hot car dashboard).
- Rewinding (CRUCIAL): When you hit frame 24 or 36, the lever will feel tight. Do not force it! Press the tiny film release button on the bottom of the camera, then unfold the rewind crank and turn it clockwise until you feel the tension release. Only then should you open the camera back.
Frequently Asked Questions
How long does unexposed 35mm film last?
Film has an expiration date, usually 2-3 years from manufacturing. However, if you store it in the fridge, it can last for over a decade. Expired film can still be shot, but it often yields unpredictable color shifts and heavier grain.
Can 35mm film go through airport X-ray machines?
Modern CT scanners at airports will destroy unprocessed film. Always keep your film in a clear Ziploc bag in your carry-on and politely ask security for a "hand-check." Never put film in checked luggage!
Where do I get my film developed?
You can develop B&W film at home with minimal equipment! For color negative, you can mail your rolls to a professional lab (like our lab partners Carmencita) where they will develop the negatives and use high-end scanners to email you digital JPG or TIFF files ready for sharing.
Ready to shoot? Browse Kamerastore’s massive inventory of fully tested 35mm film cameras and fresh 35mm film stocks today!
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