mr-korn over at Lomography recently snagged a cheap Olympus Zuiko 50mm lens on eBay, but the lens didn’t come with a lens cap. Rather than try and find a replacement cap for that particular lens, he decided to craft his own DIY cap using a can of Coke.
All you need to do is measure the correct size using your lens, and then cut out the following shape:
You can also use the plain silver side if having a colorful lens cap isn’t your cup of tea.
Yes we CAN!: DIY Lens Cap [Lomography]
Image credits: Photographs by mr-korn/Lomography and used with permission