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The Celestron XLT optical quality has always been considered one of the best on the market. The correction to the diffraction limit and the special Starbright XLT coating, make these optics ideal for various use. Suitable for observation and photography, from planetary to deep-sky, it has many optional accessories to easily connect any CCD or DSLR camera.
Celestron has always had a lot of care on the choice of materials and coatings used in their optics. Precisely for this reason, the XLT have always been the best-selling Cassegrain in the world, their versatility has met the needs of many users in many fields of use. This optical scheme has been realized with spherical mirrors, on the optical path there isn't any other lenses, except the front corrector plate. Despite its compact size and light weight, the focal length is long, ideal for high resolution imaging. The images are very sharp and contrasty, the Starbright coatings ensures an optimum brightness even with faint objects.
The Celestron C14-XLT is the ideal telescope for high-resolution lunar and planetary imaging. It offers not only large diameter (which allows you to increase a lot magnification and have resolution capacity, fundamental factors for the lunar and planetary photography) but also high optical correction and reduced obstruction than other Schmidt-Cassegrain telescopes (32% versus 34% of C11 for example) improve image contrast. This is why many of the best world astrophotographers use C14 for their images.
This telescope is also Fastar compatible, which allows the user to further reduce the focal ratio to f/2 (for photographic use only), so you can take pictures with very short exposure times, and in some cases autoguiding is not required. The field is completely flat and well illuminated from the center of the mirror up to the edges, even the stars appear geometrically and chromatically corrected thanks especially to corrector plate.
- Celestron C14-XLT optical tube
- Eyepece Plossl 40mm 98x (50,8mm barrel)
- 50,8mm visual-back
- 90° 50,8mm mirror diagonal
- Finderscope 9x50 with support
- Dovetail plate Losmandy type
- OnAxisLock 50,8mm visual back for SC telescopes
OnAxisLock 50,8mm visual back for SC telescopes is screwed directly onto the rear thread present in SC telescopes and lets you use all the 50.8mm diameter accessories. OnAxisLock is the accessories locking system that, compared to the one using normal screw, offers a greater clamping force, avoiding any possible flexure.
|Optics||Primario e secondario sferici, con lastra correttrice|
|Focal Length (mm)||3910|
|Field flattener/corrector||Not included (optional)|
|Focuser||Interno (spostamento del primario)|
|Eyepiece holder||50,8mm with 31,8mm reducer|