Sky-Watcher Virtuoso 90mm f/13.9 Maksutov-Cassegrain Multi-Purpose Motorized Mount

Sky-Watcher Virtuoso 90mm f/13.9 Maksutov-Cassegrain Multi-Purpose Motorized Mount

Sky-Watcher Virtuoso 90mm f/13.9 Maksutov-Cassegrain Multi-Purpose Motorized Mount

B&H # SKVVM MFR # S11750
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Expected availability: 7-14 business days

Includes Free

Value: $35.00

Product Highlights

  • 90mm Maksutov-Cassegrain OTA
  • 1250mm Focal Length, f/13.9 Focal Ratio
  • Camera, Camcorder, Smartphone Mounts
  • Motorized Alt-Az Tabletop Mount
  • White-Light Front Solar Filter for OTA
  • 10 & 20mm Eyepieces, 90° Diagonal
  • Solar Finder, 5x24 Finderscope
  • Automatic Celestial Tracking
  • Panoramic/Time-Lapse Photography
  • Automatic Shutter Release Function
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Sky-Watcher S11750 overview

  • 1Description

As versatile as it is portable, the Sky-Watcher Virtuoso 90mm f/13.9 Maksutov-Cassegrain Multi-Purpose Motorized Mount is more than an astronomical observing platform—it can be used for conventional nighttime celestial viewing, daytime solar viewing using the included filter, or as a terrestrial spotting scope. Swap the optical tube assembly (OTA) for its camera or smartphone mounts and start wide-field astrophotography or time-lapse and panoramic photo techniques with its automatic shutter release functions.

The mount is easily aligned and outfitted with automatic celestial tracking as soon as it's turned on for astronomy use. Two eyepieces produce a nice variety of magnifications and the included 5x24 finderscope makes star-hopping navigation easy. Multiple slew speeds aid in finding and centering objects, while manual release clutches and dual encoders let you move the mount by hand to conserve battery power without it losing its orientation so it can maintain its tracking ability.

For terrestrial use the automatic tracking is turned off with a simple keystroke, and the included 90° diagonal puts your head in a comfortable position while horizontally correcting the image so views are properly oriented. You can set up to six locations and have the mount automatically go to them. This can be used with the camera mount and your camera with a remote shutter release for time-lapse or panoramic photography when you set the mount to automatically fire the shutter, or continuous video shooting with a camcorder. The included smartphone adapter allows for instant sharing and posting of sky or ground subjects.

Whether you want to view or photograph the sky, Sun, or seas, the Virtuoso mount is a complete platform to give you the tools to accomplish basic astronomy or tackle advanced photography techniques.

Optical Tube Assembly
  • Removable solar filter allows OTA to be used for nighttime or daytime observation
  • 90mm aperture
  • f/13.9 focal ratio
  • 1250mm effective focal length
  • Compact Maksutov-Cassegrain optical configuration
  • Multi-coated lenses reduce reflection to boost image brightness, color rendition, and contrast
  • Front convex meniscus lens corrects spherical and chromatic aberrations and comas (off-axis aberrations) across the entire field of view
  • Single-speed internal focusing mechanism
Alt-Azimuth Mount
  • Single fork-arm design
  • 4.4-pound (2kg) payload capacity
  • Instant astronomical tracking when turned on
  • Dual-axis variable-speed DC servo motors
  • Motor encoders enable manual control without mount losing its orientation
  • Manual clutch releases allow for easy manual movement
  • Five slew speeds to easily align and orient mount for astronomical or terrestrial use
  • Latitude memory retains settings even when mount is powered off
  • Dovetail saddle enables changing OTA and camera mount without tools
  • Highly portable tabletop design with adjustable leveling feet
  • 3/8"-16 mount on base to attach to many photo, video, and field tripods
  • Integrated circular "bull's eye" bubble level
  • Upgrade to full GoTo astronomical functionality with optional SynScan hand controller
  • Powered by eight user-supplied AA batteries or optional 12 VDC power adapter
Terrestrial Photography Functions
  • Turn off automatic celestial tracking for full manual control
  • Program multiple land-based points for mount to automatically go to them on a set schedule
  • Use mount stability and automatic GoTo points for time-lapse or panoramic photography techniques
  • Remote shutter release port automatically triggers for time-lapse or panoramic shooting; Canon EOS Rebel remote shutter release cable included
  • Cruising modes: Photo Cruise, the mount cycles through the programmed GoTo locations, stopping to take a photo; Video Cruise, the mount goes through locations without stopping for continuous video shooting
Photography/Astroimaging Accessories
  • Camera Bracket:
  • Dovetail fits easily into mount saddle and allows it to be tightened for security
  • Mount camera horizontally or vertically
  • 1/4"-20 mount fits most cameras and camcorders
  • Piggyback Bracket:
  • Screws onto main camera bracket
  • Allows dual mounting of cameras or camera/camcorder combination for more image-capture options
  • Smartphone Adapter:
  • Accepts most sizes of smartphones
  • Enables fast image capture for sharing or posting to social media
Observation Accessories
  • Solar Filter:
  • White-light film filter
  • Blocks more than 99.9% of intense light and 100% of UV and IR radiation
  • Allows safe solar viewing through the OTA
  • Ideal for viewing solar eclipses, sunspots, and planetary transits
  • Visual Back:
  • Screw-on design with standard Schmidt-Cassegrain telescope (SCT) threads
  • 1.25" holder accepts most eyepieces and accessories
  • Eyepieces:
  • 1.25" barrel diameter
  • 10mm focal length produces 125x power
  • 20mm focal with wide-angle lens configuration yields 32x magnification
  • Diagonal:
  • 90° places head in comfortable viewing position for terrestrial viewing, or when OTA is pointed at or near the zenith
  • Mirror, "star" configuration corrects image horizontally but not vertically for terrestrial use
  • 1.25" snout and eyepiece holder is compatible with most focusers and accessories
  • Finder:
  • Conventional 5x24 finderscope for nighttime astronomical observation or daytime terrestrial use
  • Low magnification ensures a wide field of view
  • Finder bracket has flip-up screen to become a solar finder for safe solar viewing
UPC: 050234117500
In the Box
Sky-Watcher Virtuoso 90mm f/13.9 Maksutov-Cassegrain Multi-Purpose Motorized Mount
  • Smartphone Mounting Clamp
  • Camera/Camcorder Mounting Bracket
  • Camera/Camcorder Piggyback Bracket
  • Canon Rebel EOS DSLR Shutter Release Cable
  • 90mm f/13.9 Optical Tube Assembly
  • 5x24 Finderscope
  • Finderscope Bracket
  • 10mm 1.25" Eyepiece
  • 20mm 1.25" Eyepiece
  • 1.25" Star Diagonal
  • White Light Solar Filter
  • Bubble Level
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Sky-Watcher S11750 specs

    Optical Design Maksutov-Cassegrain
    Aperture 90mm
    Focal Length 1250mm
    Focal Ratio f/13.9
    Eyepiece Barrel Diameter 1.25"
    Diagonal 90° star
    1.25" snout and eyepiece holder
    Finderscope 5 x 24, nighttime
    Flip-up solar finder on bracket
    Mount Type Motorized alt-azimuth
    GoTo System None
    Power Source 8 x AA batteries
    Dimensions OTA: 11.0 x 4.25" / 27.9 x 10.8 cm
    Mount: 16.0 x 11.0" / 40.6 x 27.9 cm
    Weight OTA: 2.9 lb / 1.3 kg
    Mount: 8.9 lb / 4.0 kg
    Packaging Infoffqdewdy
    Package Weight 17.85 lb
    Box Dimensions (LxWxH) 19.2 x 14.1 x 13.9"

    Sky-Watcher S11750 reviews

    Virtuoso 90mm f/13.9 Maksutov-Cassegrain Multi-Purpose Motorized Mount is rated 4.3 out of 5 by 4.
    Rated 5 out of 5 by from Exactly as described I use this for front- and back-porch city viewing of objects needing high magnification -- planets, Albireo, etc. (I keep my old mini-Dob around for extended things like the Pleiades). The focus is sharp enough, and I love the sun filter. I've never had a clock drive before but it seems to work fine for near-north tracking, at least until I put my heavy old 25mm Plossl EP in which overwhelmed the drive. The included 25mm EP is much lighter though and is acceptable for initially finding objects, after which I swap in my old 15mm Plossl or the included 10mm EP (also acceptable, if a bit dim). And unlike my mini-Dob, the Skywatcher can focus when using a 3X Meade barlow with a Plossl EP.
    Date published: 2013-11-07
    Rated 4 out of 5 by from Excellent beginner scope,moon is awesome I spent 3k on DSLR pro lens to get good moon shots. This $ dollar basic telescope puts those lenses to shame. I am still using the stock parts but the moon detail is awesome. I will probably get the erecting prism and a 7mm eyepiece later plus a 48mm to t mount adapter for my Nikon DSLR. The only big con is the handheld part for this to get the goto feature is expensive and hard to find. The best price so far is 250 from the UK. I have it mounted to a carbon fiber camera tripod and use 7.5 lbs of weight hanging from the weight clip to help steady it. The 25 mm eyepiece is great and the 10 mm is good but I will buy a better quality 7mm when I get that far to maximize the contrast and brightness and viewing size. I am new to this so I have lots to learn. So far I am very happy with the purchase. Great first scope or portable unit. It was between this and the Orion 90mm version with wood base. This one seemed the better deal even if I can never get the goto handheld since the motors will follow the stars even without the handheld.4 stars is only because of the high cost of the handheld goto part.
    Date published: 2014-08-06
    Rated 4 out of 5 by from Excellent optical tube, some extras could be better. Love the versatility, (telescope/spotting scope/ telescopic camera lense) MC are excellent optical tubes in my opinion only being exceeded in general use quality by SC. Do ensure you allow your scope cool down time for astronomy. 4 stars because finderscope is junk which is no biggie its pretty cheap to attach a good laser, but also have found that tracking is slow on mine, so it help a little but doesnt keep objects centered
    Date published: 2016-06-03
    Rated 4 out of 5 by from Versatility Exceeds Cost I must wait for warmer weather and better health to truly use this product, but I have been pleased so far. I bought this telescope for astrophotography, mostly, along with a T-mount and adapter for my DSLR. I am impressed with the versatility of this system that far exceeds the cost.
    Date published: 2016-03-07
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