>attempt to clean sensor on my DSLR camera
>accidentally scratch it
>>2971053
Take a photo of it.
>>2971053
It would be quite difficult to scratch the 2mm glass which your sensor is covered with.
>take the sharpest pictures with sensor on my DSLR camera
>accidentally scratch it
>>2971053
smear vaseline over it, makes for more aesthetic shots + maybe that cute older neighbot you've got will let you shoot her in her underpants