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Celestron RASA Rowe-Ackermann Schmidt 8" astrograph with SESTO SENSOCelestron
Celestron RASA Rowe-Ackermann Schmidt 8" with SESTO SENSO is the compact astrograph 203mm f2 that allows you to make wide field astrophotography of deep-sky objects in a short time! Thanks to SESTO SENSO you can control the focus, also remotely.
Celestron RASA Rowe-Ackermann Schmidt 8" astrograph with SESTO SENSO: main features
Celestron RASA Rowe-Ackermann Schmidt 8" astrograph with Losmandy bar is the portable 203mm f2 astrograph that allows you to capture spectacular wide-field deep sky astrophotography images with short expositions. This incredibly fast f/2.0 system is the perfect companion to today’s color astronomical CMOS cameras, smaller CCD cameras, and mirrorless cameras. Thanks to its fast focal ratio and patented optical design, you can produce sharp, detailed images and, in many cases, skip the autoguider completely. Weighing in at just 7,7 kg, it’s easy to transport your 8” RASA to the most remote dark sky locations. Purely designed for imaging, the 8” RASA cannot be used visually. The prime focus focal plane is located at the front of the optical system, so it cannot accommodate a traditional eyepiece. 3 years of warranty on the optical tube!
- Celestron RASA Rowe-Ackermann Schmidt 8" astrograph is a D:203mm F:400mm f/2 Rowe-Ackermann Schmidt 8" astrograph telescope
- SESTO SENSO 2 is the best robotic focusing motor, great both for visual use and astrophotography
SESTO SENSO 2: the most advanced robotic focusing motor!
This special version of the Celestron RASA Rowe-Ackermann Schmidt 8" astrograph adds SESTO SENSO 2 - The highly accurate, advanced, vibration free, robotic focusing motor for your telescope! Connect it to the USB port of your EAGLE or Windows® computer to electronically control focus. If you don’t want to focus using a computer, you can connect wirelessly from any smartphone or tablet using the integrated Virtual HandPad via the built-in Wifi network in the SESTO SENSO 2! Thanks to the Self Centering Clamp technology (SCC), SESTO SENSO 2 can be installed without the need of external brackets. The supplied FOCUS Manager software and ASCOM driver allow easy configuration of the many advanced features of SESTO SENSO 2. Thanks to the precisely controlled motor with integrated electronics, SESTO SENSO 2 achieves incredible precision of just 0.7 microns.
Celestron Rowe-Ackermann Schmidt 8" astrograph with SESTO SENSO and the following optional accessories: 495mm PLUS Losmandy type bar (above the OTA) with thee EAGLE installed in parallel (above the telescope).
Built for Today’s Latest Cameras
Unlike the larger RASAs that work with DSLR and large CCD cameras, the 8” model was designed with color astronomical CMOS cameras, smaller CCD cameras, and mirrorless cameras in mind. The telescope does not work with standard DSLR cameras. It is optimized for sensors with up to a 22mm diagonal, but performs well with sensors up to 32mm diagonal. The micro 4/3 or APS-C sized sensors used in many mirrorless cameras are a good choice. FullFrame sensors will also work, but performance will be poor at the edges of the sensor and field illumination will be reduced. Additionally, we do not recommend pairing RASA 8 with any camera body more than 4” in diameter. See the chart below to determine if your camera is compatible with RASA 8.
|Camera||Compatible with RASA 8?||Adapter required|
|Astronomical CMOS/CCD camera with C-mount||Yes||C-mount adapter (included)|
|Astronomical CMOS/CCD camera with M42-thread mount||Yes||M42 adapter (included) with M42 extension tubes (not included)|
|Astronomical CMOS/CCD camera with other mount||Yes||Custom camera adapter|
|Canon mirrorless with APS-C sensor||Yes||
Canon mirrorless adapter (sold separately)
|Sony mirrorless with APS-C sensor||Yes||
Sony mirrorless adapter (sold separately)
|Canon mirrorless with full frame (42mm) sensor||Yes, but not optimized across the full sensor||
Canon mirrorless adapter (sold separately)
|Sony mirrorless with full frame (42mm) sensor||Yes, but not optimized across the full sensor||
Sony mirrorless adapter ;(sold separately)
Celestron RASA Rowe-Ackermann Schmidt 8" astrograph with Losmandy bar: scope of delivery
- Celestron Rowe-Ackermann 8" optical tube
- Starlight Instruments Feather Touch focuser for Celestron
- SESTO SENSO 2 robotic focusing motor
- Ultra-Stable Focus System – six precision sealed ball bearings virtually eliminate image shift.
- Integrated air cooling system –12V DC MagLev fan reduces cooldown time and provides optimal air flow while filtering out dust.
- Internal filter mount – seamlessly accommodates a Light Pollution Imaging Filter into the optical path.
- Adapter for C-thread camera
- Adapter for T2-thread camera
- Losmandy style Losmandy bar
- Hard/soft case
- Support rings
- Diameter (mm)
- con SESTO SENSO
- Optical Tube
- Focal Length (mm)
- Primario sferico, con lastra correttrice e gruppo spianatore
- Eyepiece holder
- Focal Ratio
- Optical Design
- Field flattener/corrector
- Incluso e non rimovibile
- Tube diameter