I have an old camera(Spotmatic Asahi Pentax) and the battery door wont open?

The battery door is stripped and usually to open these cameras u turn it and use a penny, but its too stripped and tight to do that so it doesnt work. Any suggestions??? Please help!!! What can i do to open it at home? I already tried a screwdriver, knife, coins… This is what it looks like

This is a common problem and one that can be tricky to solve.

Chances are you have some battery corrosion in the compartment that has seeped into the threads of the door.

Brute force will not work (and you’ve seen the results with some of the rounded edges).

If you’re desperate to open this I would suggest going to your local hardware store and looking for a product called “PB Blaster” which is a spray lubricant and corrosion solvent (similar to WD-40) that can -IF APPLIED SPARINGLY- break those threads loose.

Now, please realize you are spraying a solvent into something that isn’t designed to have lubricant sprayed in it, so please use it sparingly. Just a small spritz is all you need and then let it sit upside down so the solvent soaks through.

Take a few practice squirts in a rag or paper towel so you can see how fast the stuff comes out. You don’t want to hose it down, but rather a couple of well placed spritzes to get in working.

I suggest getting a wide blade (thick) screwdriver or a good old fashioned US Nickel to try to unscrew this.

You need something that will fill the slots width (unlike a butter knife or small screwdriver) and use slow steady counter clockwise pressure.

Patience is required and if you don’t get this to budge with a few squirts I would suggest bringing to a local camera shop.

Good luck.

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