Interesting and educational, with cool pictures

[Ranchu]

http://saltiqmission.blogspot.com/2013/03/salticam-coating-damage.html
http://saltiqmission.blogspot.com/2013/03/further-inspection-of-salticam-lenses.html
http://saltiqmission.blogspot.com/2013/04/cleaning-salticams-front-lens.html
http://saltiqmission.blogspot.com/2013/04/further-cleaning-of-salticam-optics.html