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/42/42016-4e3a2f053aa7a987a0b51e5a0fe85262.jpg?1619739978)
![[No title]](/data/xfmg/thumbnail/42/42017-05f80a89ca2890969b5dc7cc47872581.jpg?1619739979)
![[No title]](/data/xfmg/thumbnail/42/42018-14ee16974751322cd63966d43d655995.jpg?1619739979)
