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Post Info TOPIC: ON-Axis Guider


Posts: 131433
RE: ON-Axis Guider

The new standard in guiding:

- Finding a guide star has never been easier!
- Presenting your scope's field of view to your guider.
- No more differential flexure even with long focal.
- Integrated X/Y stage for your guider.
- Work with refractors as well as reflectors.
- Ideal for SCTs such as Celestron, Meade, ...
- Imager back focus of only 66mm (2.6").
- For chip diagonals up to 28mm, KAF8300, KAI10100...
- Accept most focal reducers.
- No extra load for your mount, weight only 0.77 kg (1.7 lbs).
- No rotation necessary for finding a guide star.
- Enjoy reusing your flat frames over and over again.

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Posts: 131433

Cold mirror makes hot astrophotos a snap

While nearly everyone enjoys a good astrophoto, the precision with which the astrograph (the telescope taking the photograph) must follow the stars is not widely appreciated. To take a good astrophoto of any but the brightest objects requires following their motion through the sky accurately. There are a number of approaches toward addressing this problem in the digital era. Perhaps the best option has now been enabled by Innovations Foresight's new ON-Axis Guider (ONAG).
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