oil

what would you do differently? this is my first attempt at oil and water photography, and I think it went well. the lights I used are elongated lights from Tesco and gels sweet rapers sellotaped on them. the camera I used is the EOS 700D with the kit lens of 18-55mm also 2 macro extension tubes...

Recently got a refurbished Epson V600 for scanning 35mm film, however some of the scans contain what looks like an oil trace on them. I have tried different negatives but they all give the same trace in that area of the scanner. I've tried cleaning the glass with a microfiber cloth and...