No head strap, almost useless.

No head strap, almost useless.

I have this, bought it when it was $9, it sucks. Despite all those focus knobs, the fixed focus one I have is a clearer picture. And it zooms too much, cutting off the periphery of the screen. The cheap $14 plastic one with elastic head strap I have is the best one I’ve used.

I have this, bought it when it was $9, it sucks. Despite all those focus knobs, the fixed focus one I have is a…