I did a Photo shoot with expired 35mm Film

I had a Portrait Shooting with expired 35mm Film, and I was surprised by this amazing result.
20 years ago our fine art high school manager gave me 10 rolls of black and white Forte Pan Films as a Gift. This is one of those films. After Digital Cameras were born, I didn’t shoot on analog Film for a long time. This film expired in 2005.

Contact sheet from expired 35mm Film. portraits of woman
Contact Sheet from Expired 35mm Film ©EdMehravaran

Exposing time for expired 35mm Film during photography and developing time

Before shooting, I did so much research about exposure and developing time. However, I was confused about it because there is so much information on YouTube. Some photographers say they overexposed during the photography. I decided to do nothing and just shoot with the correct exposure time which my light meter shows me. Also, while developing my Film, I did not change anything.

This film that I used was 15 years expired Film maybe for the other films with longer expired time(30-40 years) you might to shoot over or under Exposed

How to minimize expiring time for photography Films

By keeping the films in a fridge, you can minimize the expiring time. To make a photographic film, layers of gelatin, some of which are filled with silver halides (a combination of silver and halogen), are coated onto a flexible plastic sheet.

Silver halides are the light-sensitive part of photographic film and react to light exposure. Anyway, these coated sheets are dried. You need to cut them into smaller pieces, put them in boxes, and sell them to people like you and me. We go and cut the pieces of the film before dipping them to expose chemicals to light.

Photographic film has an expiration date because, in the case of black and white film, halides lose their sensitivity over time. Time, heat, humidity, nuclear collapse, and even the glow after creation all play a role. Together, they make changes to silver halides. This makes them less or more unpredictable in light sensitivity.

We generally refer to this effect as fog. As you know, color film uses paints and masks which, like Harlequin lasagna with/between layers of silver halide, adds a little more complexity to the composition. Colors decompose very quickly compared to silver halides. Sometimes they decompose very quickly relative to themselves. This is not a phenomenon limited to photography. I hope this information will be useful for you.