A $6 IKEA Desk Pad Can Help Remove Stuck Lens Filters
How hard is it to remove a stuck filter on a camera lens? If it happens with a slim profile filter, you are left with less of a surface to grip.
Remove a Stuck Lens Filter by Tapping It Lightly With Your Finger
Here's a strange photography hack that may sound stupid and unbelievable... but it can actually work: if you have a filter that's hopelessly stuck to the front of your camera lens, try lightly tapping it with your finger. The Koldunov Brothers show how it's done in the 1-minute video above.
Canon’s Official Solution for Stuck Lens Filters: Use a Hammer and Hacksaw
When travel photographer Craig Pulsifer accidentally smashed the front of his lens recently and found his lens filter fused firmly to the metal threads, he went to Canon for help. The removal process explained to him by a Canon Professional services technician is probably something most people wouldn't think to try: use a hammer and hacksaw to surgically remove the stuck filter. Pulsifer followed the advice, and found that it works quite well (though he does warn that it's "not recommended for the faint of heart").