birdstrike
Propera Explora!
For cheap 
I want to test how robust the various optical surfaces (sensor, mirror, focusing screen, pentaprism) are to various forms of abuse, i.e. "cleaning" with various objects.
I want to test how robust the various optical surfaces (sensor, mirror, focusing screen, pentaprism) are to various forms of abuse, i.e. "cleaning" with various objects.
![[No title]](/data/xfmg/thumbnail/33/33337-23549254ce2ac92ac5cb86ac0366633f.jpg?1619735908)
![[No title]](/data/xfmg/thumbnail/32/32807-d5379cd3a34c7d2ac3535361dd969c10.jpg?1619735667)
![[No title]](/data/xfmg/thumbnail/32/32169-37e80837cd927f85261d4e03344eef0d.jpg?1619735234)
