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SharpStar SCA260 Aspherical Cassegrain Telescope 260mm f/5

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Model
SHS-SCA260
Weight
5.20 kg
Aperture (mm) 260 Focal Length (mm) 1300 Focal Ratio f/ 5 Optical Design Astrograph
Cassegrain
Mount Type None
Mount Movement N/A
RRP:
£3990.00
Our price:
£3591.00
10%

including VAT 20.00 % ( £598.50 )
Qty

INTRODUCTORY PROMOTION! 10% OFF!

JUST ARRIVED!

SharpStar SCA260 Aspherical Cassegrain Telescope 260mm - Fast f/5 Optics

The serious amateur's large astro photo instrument for deepsky, at the edge of portability, this fast Cassegrain is recommended mainly for astro photography!

FOR FULL FRAME IMAGING!

At the moment this product is available as SPECIAL ORDER only!

SharpStar SCA260 telescope features:

• 260MM f/5 Aspherical Cassegrain optical design with triplet field flattener
• Primary mirror material: PZ33 (sma as pyrex glass)
• Secondary mirror: spherical

• Image circle: 80mm
• Tube material: carbon fiber
• Outer diameter of tube: 280.5mm
Tube length: 712mm
Tube weight: 15kg
Resolution: 0.46
Focuser: 3.2 inch
Visual limiting magnitude: 13.8
Back focus: 75mm (calculated from the end of M54 thread)

 

The SharpStar SCA 260 is a beautifully designed unique optical intrument from Sharpstar!
 
Sharpstar-optics is excited to launch their newest telescope, an Aspherical Cassegrain OTA SCA260 with short focal ratio. The primary mirror is aspherical with a more complicated grinding task that is reflected in the price. Testing requirements are also more complex than traditional primary mirrors. Its carbon fiber tube is lightweight, durable and nice looking, and the use Pyrex-like materials provides a better controlled quality than traditional materials.
The primary and secondary mirrors are all made with enhanced aluminum coating, and the reflectivity is guaranteed to be above 95%. The secondary mirror has a new lever adjustment function that can be moved in a horizontal position. The 3-inch dedicated focuser ensures smooth operation without slipping when taking photos with heavy accessories.
All CNC aluminum parts and novel hollow handles can be connected to different accessories. The appearance and mechanical quality are of high standards. Its design is to meet the needs of today’s demanding astronomer.
The optical path includes a triplet 3" field flattener, thus ensuring full-frame photography and vignetting control. The two M54×0.75 threads and M48×0.75 threads at the rear of the focuser can meet different needs and are convenient to connect to most commercially available imaging-terminals and help to achieve perfect focus.
 
 

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