How to Rewind 35mm Film — and What Happens If You Open the Back
Finished the roll? How to rewind safely, what to do when it won’t rewind, and how much you lose if the back gets opened.
24 articles
Finished the roll? How to rewind safely, what to do when it won’t rewind, and how much you lose if the back gets opened.
Step-by-step loading for manual and automatic cameras, plus the one check that guarantees your film is actually advancing.
Same film, different roll length. Which is better value, when 24 exposures makes more sense, and why you sometimes get bonus frames.
Shot ISO 400 film at 1600? How push and pull processing work, what they do to your photos, and which films handle them best.
Fridge, freezer, or shelf? How to keep film fresh before you shoot it, what heat does to a roll, and how long exposed film can wait.
Checked bags, carry-on X-ray, and the new CT scanners: which ones fog film, and how to travel with film safely.
Grain is part of film — but too much usually means something specific. What makes film grainy and how to get smoother results.
Red, orange, or yellow streaks on your photos? How to recognize a light leak, trace it to its source, and fix the camera.
Clear negatives with frame numbers on the edge? Here’s what that means, why film doesn’t get exposed, and how to make sure your next roll does.
Camera shake, subject motion, missed focus, or a dirty lens? How to read the blur on your roll and fix it next time.
Dark, muddy scans? How to read your negatives, the seven usual causes of underexposure, and how to get it right on the next roll.
The forgiving color and black & white films we recommend most at the counter — and how to choose the right first roll for your camera and light.
Natural pro color or warm, nostalgic consumer film? How Portra 400 and Gold 200 compare on look, speed, grain, and price.
Same speed, very different films. What you get for Portra’s higher price — and when UltraMax 400 is the smarter roll.
Gold for sunny days, UltraMax for everything else? How Kodak’s two most popular films compare, and which to load for the light you’ll be shooting in.
Color negative, slide, or black & white? How to tell which process your film needs, how C-41, E-6, and B&W differ, and which to shoot.
Found an old roll, or bought expired film on purpose? What happens to film as it ages, how to shoot it, and what the lab can and can’t do with it.
What actually happens to a roll of film after you shoot it — the chemistry, every step, and how C-41, black & white, and E-6 differ, explained by our Garden City lab.
Shooting film after dark is absolutely doable — you just need the right stock. From Portra 800 to Cinestill 800T to pushed HP5, here's what to load when the light runs out.

They're both film, but they're very different experiences: 35mm is cheap, forgiving, and everywhere; 120 gives you negatives several times larger with detail that's hard to believe. Here's how to choose.
You don't need an expensive or exotic camera to learn film photography — you need one that's reliable, easy to meter with, and cheap to feed. These are the cameras we recommend to first-time film shooters.
ISO is the single most important decision you make when choosing a film stock. Get it right and your shots will be sharp, clean, and properly exposed. Get it wrong and you're fighting the light all day.
The Canon AE-1 changed everything when it launched in 1976 — and 50 years later it's still the go-to recommendation for anyone picking up a film camera for the first time.
Kodak Gold 200 is one of the most forgiving and versatile 35mm films available today — here's everything you need to know to get the most out of every roll.