Sky-Watcher Classic 250P

Your Price: $840.00

Part Number: S11620

Availability: Out of Stock

Description
Specifications

The Sky-Watcher Classic Dobsonian Telescope 254mm/1200mm (10") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. In addition, this model include a 2" focuser with a 1.25" adapter, allowing the use of either eyepiece size. This model also include the new feature-tension control handle.

Optical Info
SKU	S11620
UPC	050234116206
Optical Design	Newtonian
Mirror Coatings	94% Aluminum
Glass Type	Borosilicate
Primary Aperture (mm)	254
F/Ratio	4.7
Focal Length (mm)	1200
Secondary Diameter	64mm
Secondary Obstruction (by diameter)	25%
Secondary Obstruction by Area	6%
Dawes Limit	0.46
Rayleigh Limit	0.55
Limiting Mag.	14.5
Minimum Magnification	36
Maximum Magnification	500
Light Gathering (compared to next size down)	57%
Focuser	2" Crayford
OTA Length (Retract/Ext.)	45"
OTA Outer Diameter	11.375"
OTA Weight (with accessories)	28
Dob Base Weight	25
Dob Base Measurements	29"x20.5"
Zenith Eyepiece Height	48"
Included Finder	9x50 Finder
Included Diagonal	No
Included Eyepieces	25/10 Super (modified Kellner)
Magnification w/ Included Eyepieces	48x/120x
Included Case	No
Corrector	No

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Sky-Watcher Classic 250P

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