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Celestron 11 inch Rowe-Ackermann Schmidt Astrograph

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Für weitere Info hier klicken. Artikel: Celestron 11 inch Rowe-Ackermann Schmidt Astrograph
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Für weitere Info hier klicken. Artikel: Celestron 11 inch Rowe-Ackermann Schmidt Astrograph
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Drag mouse over image for larger view
  • 11-inch f/2.2
  • Lenses with rare earths to compensate for chromatic aberration, coma and image field flattening
  • optimized, 43.3 mm image circle enables needle-sharp images even at the edge of the largest astronomical camera sensors, the usable image field even extends to 52mm for even larger sensors
  • special linear focuser bearing made of brass reduces mirror shifting, the 10:1 FeatherTouch micro-focuser enables very precise focusing
  • quiet, powerful 12V MagLev fan with dust protection reduces cool-down time
  • standard camera adapters (T-thread and M48) for connecting most CCD and DSLR cameras included in the scope of delivery

11 inch RASA - Rowe-Ackermann Schmidt Astrograph
The Rowe-Ackermann Schmidt Astrograph makes it very easy for you to create impressive astrophotos with modern DSLR or astronomical CCD cameras. The fast f/2.2 system with a large field of view has two major advantages over classic photography at f/10: Much shorter exposure times and therefore less susceptibility to tracking errors. This means you can take better pictures in less time and often even do without an autoguider.
The Rowe-Ackermann Schmidt Astrograph is the legitimate successor to Celestron's Schmidt camera, which was still used with film negatives in the 1970s.

Today, since CCD sensors are just as large as slide negatives or even larger, this Schmidt Astrograph offers a full 43mm image circle, so you can get pin-sharp stars even on large sensors - up to 52mm can be used. This large illuminated image circle and a focal length of just 620mm make it the perfect instrument for photographing large regions of the sky and extended objects. For example, you can create mosaic images of the entire sky or hunt variable stars, supernovae or comets.

Optical performance
The Rowe-Ackermann Schmidt Astrograph has newly designed optics with a four-lens corrector with rare earth glasses that suppress color and imaging errors such as coma and field curvature. Never before has an astrograph in this price range delivered this optical quality and spot size across the entire field of view. The design also allows for very low vignetting.

Other features
Other features such as a special linear brass bearing of the focuser and the Feathertouch micro-focuser allow you to make precise adjustments for the perfect image. A 12V MagLev fan reduces cool-down time and provides ideal airflow through the tube and dust-protected vents.

The Rowe-Ackermann Schmidt Astrograph was developed as a complete system for astrophotography and delivers the best results with DSLR and astronomical CCD cameras. Every element of the system, down to the thickness of the glass in the fully multi-coated optical window or optional filters, has been considered and matched.

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Celestron 11 inch Rowe-Ackermann Schmidt Astrograph

Short profile

  • 11-inch f/2.2
  • Lenses with rare earths to compensate for chromatic aberration, coma and image field flattening
  • optimized, 43.3 mm image circle enables needle-sharp images even at the edge of the largest astronomical camera sensors, the usable image field even extends to 52mm for even larger sensors
  • special linear focuser bearing made of brass reduces mirror shifting, the 10:1 FeatherTouch micro-focuser enables very precise focusing
  • quiet, powerful 12V MagLev fan with dust protection reduces cool-down time
  • standard camera adapters (T-thread and M48) for connecting most CCD and DSLR cameras included in the scope of delivery

Product description for Celestron 11 inch Rowe-Ackermann Schmidt Astrograph

11 inch RASA - Rowe-Ackermann Schmidt Astrograph
The Rowe-Ackermann Schmidt Astrograph makes it very easy for you to create impressive astrophotos with modern DSLR or astronomical CCD cameras. The fast f/2.2 system with a large field of view has two major advantages over classic photography at f/10: Much shorter exposure times and therefore less susceptibility to tracking errors. This means you can take better pictures in less time and often even do without an autoguider.
The Rowe-Ackermann Schmidt Astrograph is the legitimate successor to Celestron's Schmidt camera, which was still used with film negatives in the 1970s.

Today, since CCD sensors are just as large as slide negatives or even larger, this Schmidt Astrograph offers a full 43mm image circle, so you can get pin-sharp stars even on large sensors - up to 52mm can be used. This large illuminated image circle and a focal length of just 620mm make it the perfect instrument for photographing large regions of the sky and extended objects. For example, you can create mosaic images of the entire sky or hunt variable stars, supernovae or comets.

Optical performance
The Rowe-Ackermann Schmidt Astrograph has newly designed optics with a four-lens corrector with rare earth glasses that suppress color and imaging errors such as coma and field curvature. Never before has an astrograph in this price range delivered this optical quality and spot size across the entire field of view. The design also allows for very low vignetting.

Other features
Other features such as a special linear brass bearing of the focuser and the Feathertouch micro-focuser allow you to make precise adjustments for the perfect image. A 12V MagLev fan reduces cool-down time and provides ideal airflow through the tube and dust-protected vents.

The Rowe-Ackermann Schmidt Astrograph was developed as a complete system for astrophotography and delivers the best results with DSLR and astronomical CCD cameras. Every element of the system, down to the thickness of the glass in the fully multi-coated optical window or optional filters, has been considered and matched.

Celestron 11 inch Rowe-Ackermann Schmidt Astrograph

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EAN and KAN KAN
EAN
4047825031723
KAN
822250

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