Sky-Watcher Telescope BK MAK 102 OTA optical tube
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Sky-Watcher Telescope BK MAK 102 OTA optical tube
Telescope built in the Maksutov optical system, characterized by excellent image sharpness and absence of chromatic aberration. It consists of a spherical meniscus corrector (crown glass), a primary mirror, and a secondary mirror placed on the inside of the meniscus. The model can also be used for terrestrial observation, making it a versatile telescope for beginners and intermediate users.
Maksutov-Cassegrain optical system
The telescope uses a Maksutov-Cassegrain optical system consisting of a meniscus correction plate, a primary mirror, and a secondary mirror placed on the inside of the meniscus. This type of construction is valued for very good image sharpness, high contrast, and the reduction of optical defects such as coma and chromatic aberration.
The diameter of the tube is 120 mm, the focal length is 1300 mm, and the diameter of the eyepiece drawtube is 1.25 inches. The maximum magnification is 153 x. Thanks to its long focal length, the telescope allows for detailed observations of the Moon's surface, Saturn's rings, Jupiter's cloud bands, and other bright astronomical objects. The optical elements of the telescope are coated with multilayer coatings that improve light transmission and increase the contrast of the observed image. This solution provides more expressive details when observing planets and the Moon and improves the comfort of observation at higher magnifications.
Possibility of mounting on a tripod, compact dimensions
The model can be mounted on a photographic tripod using an appropriate connector built into the tube. Due to the telescope's long focal length, the manufacturer recommends at least AZ4 (azimuthal) or EQ3-2 (parallactic) class astronomical mounts. The tube is about 280 mm long and weighs just under 2 kg, making it conveniently transportable even in a small backpack or carrying case.
set elements
- diagonal mirror: 1.25" 90 deg.
- eyepieces: 1.25 inch - Super 25, Super 10
- cover
- finder: Star Pointer
main features
- compact telescope in the Maksutov-Cassegrain system
- high image sharpness and contrast
- minimized chromatic aberration and coma
- lens speed f/12.7 intended for planetary observations
- lightweight and mobile construction about 280 mm long
- mountable on a photographic tripod or astronomical mount
- multilayer optical coatings improving light transmission
- capable of astronomical and terrestrial observations
technical data
Telescope optical system: Maksutov-Cassegrain
Type of mount: Without mount
Aperture: 102 mm
Focal length: 1300 mm
Lens speed: 12.7
Star magnitude limit: 13.5 magnitude
Light-gathering ability (compared to the naked eye): 212 x
Maximum useful magnification: 153 x
Tube weight: 1.9 kg
Tube length: 280 mm
Tube diameter: 120 mm
Eyepiece focal lengths / magnification: 25 mm/52x, 10 mm/130 x
Type of eyepiece drawtube: SCT/MAK
Eyepiece drawtube diameter: 1.25 inch
Diagonal: Mirror 90 deg.
Finder: StarPointer
Central obstruction: 32.5 mm
Maximum resolving power: 1.37 inches
Manufacturer: Sky-Watcher, Taiwan
Militaria.pl is a premium dealer of Sky Watcher.
Sky-Watcher is a brand created in 1999 by Synta Technology Corporation from Taiwan, which is now the largest manufacturer of amateur astronomical equipment in the world. Its product range includes telescopes from simple models for beginners to advanced designs such as ED refractors, Esprit astrographs, and Maksutov systems. Dobsonian telescopes are extremely popular, including the iconic models with a mirror diameter of up to 16 inches, as well as the professional EQ8 equatorial mounts valued by astrophotographers. Since 2008, the company has been developing innovative Flex Tube Dobsonian telescopes with an extendable tube, which have become a distinctive symbol of Sky-Watcher in the world of astronomy.
| Weight | 1900 g |
|---|---|
| Objective lens diameter (mm) | 102 |
| Telescope type | Maksutow-Cassegrain |
| Focal length | 1300 mm |
| Lens speed (f/x) | f/12,7 |
| Maximum magnification | 153x |
| Focuser diameter | 1,25" |
| Finderscope in the set | Yes, RedDot |
| Limiting magnitude (magnitudo) | 13,5 mag |
| Replacement glasses in the set | Yes |
| Tube length | 280 mm |
| EAN | 5901691604735 |
| Manufacturer code | SW-3002 |
| Brand | Sky Watcher |
| EAN |
