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Description
Sky-Watcher S11740 Overview
The Sky-Watcher Flextube 300P 12" Collapsible Dobsonian Telescope Kit is perfect for visual observation of nebulae, star clusters, and galaxies, along with the moon and planets. The optical tube assembly collapses to 36" for storage and transport, and expands to 55" for use. Its mirror produces high reflectivity and the 12" aperture collects 1840 times more light than the human eye. The OTA is supported by a base with Teflon bearings and a tension control handle for smooth, precise operation.
The Sky-Watcher Flextube 300P Collapsible Dobsonian Optical Tube Assembly gives users great performance at a reasonable price. Its large parabolic borosilicate primary mirror is treated with a combination of quartz, titanium, and silicon dioxide that brings its reflectivity to 94%, with a secondary mirror obstruction of just 5% by area. Unlike traditional Dobsonians that tend to be bulky and unwieldy, the Flextube's patented truss design allows it to retract to just 36" for easier transport and storage, and then extends to 55" for observation.
The large 12" aperture draws in copious amounts of light to resolve deep-sky objects like wispy nebulae and galaxies, while also revealing incredible details of the lunar surface and planetary features. Included are 10 and 25mm 1.25" eyepieces, but the focuser comes with an adapter allowing 2" eyepieces to be used.
- Large 12" aperture is able to resolve dim deep-space objects like wispy nebulae and galaxies
- Fast f/4.9 focal ratio ensures a wide field of view, maximum light throughput
- Long 1500mm focal length helps to produce fast focal ratio and moderate magnification potential
- Collapsible truss system saves space during transport and storage, measuring just 36" when trusses are retracted and extending to 55" when set up
- Borosilicate parabolic primary mirror
- Quartz, titanium, and silicon dioxide mirror coatings bring the reflectivity to 94%
- Resolution: 0.38 arcsec (Dawes Limit), 0.46 arcsec (Rayleigh Limit)
- 70mm secondary diameter mirror; Obstruction: 23% by diameter, 5% by area
- 55.5" eyepiece height when aimed directly overhead at the zenith
- 14.25" (23.81cm) outside tube diameter
The Flextube 300P Dobsonian Base supports the Sky-Watcher 300P Collapsible Dobsonian Optical Tube Assembly. The base uses Teflon bearings for smooth, easy Azimuth slewing and a patented tension control handle to lock the telescope in place.
In the Box
- Sky-Watcher Flextube 300P 12" Collapsible Dobsonian Optical Tube Assembly
- 8x50 Finderscope
- 10mm Super Eyepiece
- 25mm Super Eyepiece
- 2-to-1.25" Eyepiece Adapter
- Sky-Watcher Flextube 300P Dobsonian Base
Sky-Watcher Flextube 300P 12" Collapsible Dobsonian Optical Tube Assembly Specs
| Optical Design | Dobsonian Reflector |
| Aperture | 305 mm / 12" |
| Focal Length | 1500 mm |
| Focal Ratio | f/4.9 |
| Focuser | Crayford |
| Eyepiece Barrel Diameter | 1.25", 2" |
| Finderscope | Yes |
| Mounting | None |
| Optical Tube Dimensions | Length: 36" / 91.4 cm Retracted Length: 55" / 139.7 cm Extended |
| Type | None |
| Tripod Height Adjustment Range | None |
| Material of Tripod | None |
| Batteries | None |
| Adapter | None |
| Wi-Fi | No |
| Weight | 46.2 lb / 21 kg (OTA) |
| Package Weight | 56.18 lb |
| Box Dimensions (LxWxH) | 41 x 21.25 x 20.75" |
Sky-Watcher Flextube 300P Dobsonian Base Specs
| Package Weight | 45 lb |
| Box Dimensions (LxWxH) | 30 x 28.5 x 5" |
Sky-Watcher S11740 Reviews
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 360889.9 |
| 3-5 | ₹ 357207.35 |
| 5-10 | ₹ 349842.25 |
| 10+ | ₹ 342477.15 |
Bulk discount will be automatically applied during checkout based on quantity.