Rowe-Ackermann Schmidt Astrograph Manual
Page 1
... mix your own. Spray at an angle to the lens for a return authorization number and price quote. Low pressure strokes should normally be removed with distilled water. You can lead to faster...or a camel hair brush. If conditions are more severe, a dew heater, commonly available from Celestron, which shrouds the corrector and keeps the air immediately surrounding the corrector slightly warmer than the ambient...spot size 21 mm off-axis Relative illumination 21 mm off-axis Image Circle Diameter Rowe-Ackermann Schmidt 279 mm 620 mm 2.22 114 mm StarBright XLT 35 lbs Broadband AR fully-multicoated...
... mix your own. Spray at an angle to the lens for a return authorization number and price quote. Low pressure strokes should normally be removed with distilled water. You can lead to faster...or a camel hair brush. If conditions are more severe, a dew heater, commonly available from Celestron, which shrouds the corrector and keeps the air immediately surrounding the corrector slightly warmer than the ambient...spot size 21 mm off-axis Relative illumination 21 mm off-axis Image Circle Diameter Rowe-Ackermann Schmidt 279 mm 620 mm 2.22 114 mm StarBright XLT 35 lbs Broadband AR fully-multicoated...