Askar FRA 600 Quintuplet APO Astrograph (FRA600)

Askar FRA 600 Quintuplet APO Astrograph (FRA600)Following the excellent optical performance of its first FRA400 5. 6, the FRA600 5. 6 is an evolution of the FRA series. An upgraded lens has a 108mm aperture and a 600mm focal length, the f ratio is still f 5. 6, and the image circle is 66mm surpass the full frame! This FRA600 Quintuplet Refractor is built on a Petzval design, comprising a front triplet and rear doublet lenses, two pieces of which are ED glass. This combination provides a high level

you can capture still images or video

25” insert barrel is threaded for filters

A durable rubber armored

5 kg) Other Features: Ventilation fan

Edge lateral color (420-656nM): 0

The self-alignment technology behind our award-winning SkyProdigy series is now available for most of Celestron's current computerized telescopes and compatible with many older models as well

The NexYZ 3-Axis Universal Smartphone Adapter is a great first step into the world of astroimaging or digiscoping

5 0Amps Motor Drive: DC servo motors Alignment Procedures: SkyAlign

08") Outside Diameter: 5

The two lenses in the rear group have a diameter of 80mm

or Region of Interest Mode lets you capture up to 16 areas inside the effective pixels

the field of view increases