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Description
Sky-Watcher Flextube SynScan 250Pi Overview
- 1Description
- 2Optical Tube Assembly
- 3SynScan Control
- 4Focuser
- 5Base Details
- 6Included Accessories
Combining space-saving design and a simple floor base with sophisticated gear for seeking out celestial treasures, the Flextube 250Pi SynScan GoTo Collapsible Dobsonian Telescope from Sky-Watcher offers memorable experiences in the study of the night sky. Its large 10" aperture, 1200mm focal length, and f/4.7 focal ratio deliver dazzling views of planets, the moon, nebulae, galaxies, and more. The built-in Wi-Fi allows for SynScan control through the proprietary app, which makes it easy to search out specific objects or tour the cosmos.
Optical Tube Assembly
- 10" (254mm) aperture can resolve dim deep-space objects, like wispy nebulae and galaxies
- Fast f/4.7 focal ratio ensures a wide field of view & maximum light throughput
- For astrophotography, the fast focal ratio will result in shorter exposure times versus "slower" OTAs while achieving similar results
- Long 1200mm focal length helps to produce the fast focal ratio and magnification range
- Collapsible truss system eliminates the need to disassemble the telescope after use and saves space during transport and storage, measures 31.5" when trusses are retracted and extends to 44" when set up
- Borosilicate parabolic primary mirror with aluminum coatings that bring the reflectivity to 94%
- Resolution: 0.46 arcsec (Dawes Limit), 0.55 arcsec (Rayleigh Limit)
- 64mm diameter secondary mirror; Obstruction: 25% by diameter, 6% by area
- 49" eyepiece height when aimed directly overhead at the zenith
SynScan Control
- Built-in Wi-Fi module allows the use of the SynScan smartphone app to control the base, available for Apple and Android devices
- User-friendly menu system
- Up to 5 arcmin GoTo pointing accuracy
- Brightest-Star and Two-Star assisted alignment procedures
- Sidereal, lunar, solar tracking rates
- 1x, 2x, 8x, 16x, 32x, 200x, 400x, 600x, 800x, 1000x slew speeds
Database Details:
- 42,900 objects including planets, nebulae, star clusters, and galaxies
- Tour of the night sky based on location, date, and time
- 25 user-defined objects
- Includes the complete Messier, NGC, and IC catalogs; and partial SAO catalog
Focuser
- Crayford-style is much more precise than the traditional rack-and-pinion
- Tension control system eliminates gears, resulting in zero backlash for tack-sharp focus on dim objects, or objects like binary stars which are close together
- 2" diameter holder allows the use of larger eyepieces and imaging systems that provide a wide field of view and eye relief for more comfortable viewing of dim and small deep-sky objects
Base Details
- Dual axis DC servo motors with encoders
- Dual encoder design keeps track of where the scope is being moved, allowing you to move it manually without the need for re-alignment
- Tension control handle allows you to add or reduce tension, increasing or decreasing the friction between the optical tube and the sideboards
- Included 10-15 VDC 1A power supply
- Dimensions: 30 x 20"
Included Accessories
Eyepieces:
- 1.25" diameter nosepiece accepts most standard filters
- 25mm focal length eyepiece produces a low 72x magnification for wide-field observations, alignment, and viewing lunar surface details
- 10mm focal length eyepiece yields a high 180x power to make detailed observations of specific portions of the sky or for planetary viewing
- 2-to-1.25" reducer allows the use of more commonly sized eyepieces and accessories
- Low 9x power produces a wide field of view for accurate alignment
- 50mm objective allows you to see dimmer stars for more options during 2-star alignment
- Mounting bracket included
UPC: 810098970150
In the Box
- Sky-Watcher Flextube 250Pi SynScan GoTo Collapsible Dobsonian Telescope
- 9x50 Finderscope
- 10mm Plossl Eyepiece
- 25mm Plossl Eyepiece
- 2-to-1.25" Adapter
- Power Adapter
- Limited 2-Year Manufacturer Warranty
Table of Contents
- Description
- Optical Tube Assembly
- SynScan Control
- Focuser
- Base Details
- Included Accessories
Sky-Watcher Flextube SynScan 250Pi Specs
Optical Tube Assembly
| Optical Design | Dobsonian Reflector |
| Aperture | 254 mm / 10" |
| Focal Length | 1200 mm |
| Focal Ratio | f/4.7 |
| Resolution | 0.46 Arcsec (Dawes) 0.55 Arcsec (Rayleigh) |
| Focuser | Single-Speed Crayford |
| Eyepiece Barrel Diameter | 1.25", 2" |
| Diagonal | None |
| Finderscope | Yes |
| Mounting | None |
| Optical Tube Dimensions | Length: 31.5" / 0.8 m Retracted Length: 44" / 1.1 m Extended |
Mount
| Type | Motorized; Alt-Azimuth |
| GoTo Capability | Yes, SynScan |
| Payload Capacity | None |
| Altitude Adjustment | None |
| Latitude Adjustment | None |
| Counterweight | None |
Tripod
| Type | None |
| Tripod Height Adjustment Range | None |
| Material of Tripod | None |
General
| Wi-Fi | Yes (Built In) |
| Mobile App Compatible | Yes, Required: Android & iOS Functionality: Remote Control *As of December, 2022: Check with manufacturer for the most up-to-date compatibility |
| Weight | 33 lb / 15 kg (OTA) 39 lb / 17.7 kg (Mount) 72 lb / 32.7 kg (Fully Assembled) |
Packaging Info
| Package Weight | 93 lb |
| Box Dimensions (LxWxH) | 37 x 30.5 x 22.5" |
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 260214.5 |
| 3-5 | ₹ 257559.25 |
| 5-10 | ₹ 252248.75 |
| 10+ | ₹ 246938.25 |
Bulk discount will be automatically applied during checkout based on quantity.