Skywatcher 250/1000 F4 Imaging Reflector Telescope – OTA Only

Skywatcher 250/1000 F4 Imaging Reflector Telescope – OTA Only


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The Skywatcher 250/1000 F4 Imaging Reflector Telescope is the largest Skywatcher F4 Astroimaging Telescope they have to offer. Featuring fast F4 focal ratios, this telescope is ideal for deep sky astrophotography and wide field astrophotography.     Aperture: 250mm (10-inch)
Focal Length: 1000mm – f/4.0
Highest practical power: 504x
Resolving power (arc sec.): 0.6
Focuser: Crayford 2-inch Dual speed with 1.25 inch adaptor
Optical Tube: Steel powder coated finish
Mounting plate and tube rings: YES
Piggyback bracket included with mounting rings
Finderscope 8x50mm
Excellent adjustable mirror mounting cell and superbly made 8-inch fully coated diffraction-limited pyrex paraboloidal mirror.
Eyepiece not included.


In stock


The Skywatcher 250/1000 F4 Imaging Reflector Telescope is one of Skywatcher’s leading premium astrophotography telescopes featuring fast F4 focal ratios for reduced exposure times when encountering wide field astrophotography and deep sky. Due to the distance in which the light travels and the time required to capture that light, standard telescopes take significantly longer amount of time to take images. This often results in the object moving out of the view, blurriness and star trails. The fast f4 focal ratio will significantly reduce these flaws.

Crafted with a 250mm aperture and a diffraction-limited pyrex glass mirror with metallic high reflection coatings, this telescope is an astrophotography beast with the ability to gather enormous amounts of light. This telescope also comes with a 2″ dual speed focuser for more controlled and smoother focusing.

Product Specifications

Optical Design Reflector
Diameter/Aperture 254mm
Focal Length 1000mm
F/Ratio f/4
Finder Scope 8 x 50mm
Highest Practical Power 504x
Focuser Diameter 2″ (50.8mm) Dual Speed 10:1 Linear Power Focuser

Product Code: SKW-SKP2501-OTA

More Details

Weight 50 kg
Dimensions 120 × 35 × 35 cm

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