Aperture is at max when reversing your lens on Sony Alpha? Here’s my cheap solution

Alright before I start,

WHATEVER I DID IN THIS VIDEO\TUTORIAL IS UNPROFESSIONAL AND NOT RECOMMENDED. IF YOU KNOW A BETTER WAY, PLEASE REFER TO IT!

I mean, carving a cap with a razor!?

Sorry for the bad video quality, N900 doesn’t have this awesome video capabilities anyway.

So basically yea, just carve the center in a way or another and you’re done!

Here’s my Instructables link.