Tyvärr har den här beskrivningen ännu inte översatts till svenska, så du hittar en engelsk artikelbeskrivning här.
Based on a novel optical design by Klevtsov, the versatile TAL is the ideal instrument for the advanced amateur astronomer who desires high resolution and excellent light-gathering power (limiting visual magnitude 13.5) in a highly portable telescope. The TAL provides an aperture of 200mm and focal length of 2000mm in a very compact tube length of only 550mm (22 inches). Klevtsov's revolutionary catadioptric design employs a sub-aperture meniscus correcting lens (like the familiar Maksutov) combined with a Mangin mirror-lens secondary. Its fast focal ratio of f/8,5, flat field, and excellent correction of coma, spherical aberration, and astigmatism (14 micron star images at a distance of 10mm from the optical axis!) make the TAL a superb instrument for astrophotography, far surpassing conventional Schmidt-Cassegrain and Ritchey-Chretien systems. Every optical component must pass stringent tests. Interferograms on three axes of each optical set are retained by the factory's quality control department.
- Diameter of Primary Mirror: 150mm
- Telescope Focal Length: 1550mm (f/10.3)
- x2 Barles Lens
- Rack & Pinion Focusing (1.25'')
- Sky-Watcher compatible mounting plate
It not only matters which telescope you buy but also where you buy it. Our additional services:
- We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
- We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.
