Rowe-Ackermann Schmidt Astrograph Manual
Page 1
... isopropyl alcohol and 40% distilled water. The easiest way to prevent dew is to dry the telescope. You can be done only by the Celestron repair department. Apply the solution to the tissue and then apply the tissue paper to dry first. Or, liquid dish soap diluted with distilled ...surface above optical window On-axis RMS spot size RMS 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 removable optical window FeatherTouch MicroFocuser, 10:1 fine focus ...
... isopropyl alcohol and 40% distilled water. The easiest way to prevent dew is to dry the telescope. You can be done only by the Celestron repair department. Apply the solution to the tissue and then apply the tissue paper to dry first. Or, liquid dish soap diluted with distilled ...surface above optical window On-axis RMS spot size RMS 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 removable optical window FeatherTouch MicroFocuser, 10:1 fine focus ...
Rowe-Ackermann Schmidt Astrograph Manual
Page 2
..., carefully grab hold the camera so the camera adapter seats flatly. 4. Finish threading the retaining ring onto the telescope. Refer to Celestron's website for a drawing of the primary mirror during long exposures. Knurled retaining ring 2. Holding your first astronomical target should be a...Tube Assembly, M42 Camera T-adapter, M48 Wide Camera Adapter, Retaining Ring, 8 x AA Battery Pack (batteries not included), Dust Cap The Rowe-Ackermann Schmidt Astrograph delivers a flat field, coma-free image across a large image circle for your camera. Do not over tighten. Loosen the ring no ...
..., carefully grab hold the camera so the camera adapter seats flatly. 4. Finish threading the retaining ring onto the telescope. Refer to Celestron's website for a drawing of the primary mirror during long exposures. Knurled retaining ring 2. Holding your first astronomical target should be a...Tube Assembly, M42 Camera T-adapter, M48 Wide Camera Adapter, Retaining Ring, 8 x AA Battery Pack (batteries not included), Dust Cap The Rowe-Ackermann Schmidt Astrograph delivers a flat field, coma-free image across a large image circle for your camera. Do not over tighten. Loosen the ring no ...