SharpStar SCA260 Aspherical Cassegrain Telescope 260mm - Fast f/5 Optics
This is the version 2 that comes with some improvements (i.e. better focuser)
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!
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 M48 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.
At The Widescreen Centre, we prioritize prompt order processing and dispatch. We strive to dispatch all orders on the same day or the next working day, depending on the time of your order. We hold extensive stocks to ensure that your items are ready for immediate despatch. Please note that the cut-off time for same-day dispatch is usually 1:30 p.m.
For delivery within Mainland UK, we use reputable couriers to provide efficient service. You can expect your package to arrive in 1-2 working days. Please note that a signature may be required upon delivery to ensure a secure receipt.
In the case of special order items, the delivery time may be longer. If you have any concerns or questions about the delivery of your item, please don't hesitate to Contact Us. We are here to assist you.
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