User Manual for Sky-Watcher 150mm f 12 Maksutov-Cassegrain Telescope Click to enlarge the picture
Contents of the user manual for the Sky-Watcher 150mm f 12 Maksutov-Cassegrain Telescope
- Product category: Catadioptrics (Cassegrains) Sky-Watcher
- Brand: Sky-Watcher
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Sky-Watcher Catadioptrics (Cassegrains)
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User manual for the Sky-Watcher 150mm f 12 Maksutov-Cassegrain Telescope contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Sky-Watcher product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Sky-Watcher user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Sky-Watcher product will considerably shorten its lifespan!
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Product description Balancing aperture with manageability and representing one of the widest apertures in the series, the Sky-Watcher 150mm f/12 Maksutov-Cassegrain Telescope is powerful while maintaining the portability of the smaller models. The Maksutov design exchanges the conventional front corrector plate of a Schmidt with a convex meniscus lens, resulting in a smaller secondary mirror that limits obstruction and increases contrast, while eliminating the need for periodic collimation. This modified optical path results in a slower focal ratio and narrower field of view versus a similar Schmidt, but the optical benefits, when coupled with the larger aperture and fully multi-coated optics, make this an ideal scope for making detailed solar, lunar, and planetary observations, while being able to resolve deep-sky objects like stars, clusters, galaxies, and nebulae.The scope is outfitted with a large 2" visual back and, to get users started, Sky-Watcher includes a 28mm long eye relief eyepiece that produces a moderate 64x magnification and a 90° star diagonal for viewing with the optical tube assembly (OTA) pointed at or near the celestial zenith. The OTA is offered here without a mount or tripod for users who have a reliable support system or want to use it as part of a dual-OTA setup for star parties or observation/imaging rigs. It is outfitted with a Vixen-style dovetail plate for use with compatible mounts. This OTA's compact form factor belies its observation power and resolution and is ideally suited as a grab-and-go option for quick observation sessions or heading out to remote locations. - Optical Performance
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- 150mm aperture
- f/12 focal ratio
- 1800mm focal length
- Front convex meniscus lens corrects spherical and chromatic aberrations and comas (off-axis aberrations) across the entire field of view
- Smaller secondary mirror versus Schmidt-Cassegrains reduces obstructions and increases contrast
- Fully multi-coated optics maximize light transmission to improve brightness, color rendition, sharpness, and contrast
- Resolution: 0.77 arcsec; Dawes'
- Internal primary mirror focus
- 2"-diameter visual back accepts larger eyepieces and accessories
- Mounting
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- Requires mount and tripod for proper use
- Vixen-style dovetail plate
- Weight 14 pounds, including OTA and accessories
- Included Accessories
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- Eyepiece:
- 2" barrel diameter
- Accepts most 2" astronomical filters
- 28mm eyepiece yields 64x power
- Comfortable long eye relief
- Diagonal:
- 2" snout and eyepiece holder
- 90° angle places head in a comfortable viewing position
- Star configuration corrects image horizontally for terrestrial use
- Finderscope:
- Relatively low 8x magnification provides a wide field of view for easier alignment and faster star-hopping navigation
- Larger 50mm aperture helps resolve dimmer objects that dot finders cannot
UPC: 050234115308 In the Box Sky-Watcher 150mm f/12 Maksutov-Cassegrain Telescope (OTA Only) 90° Star Diagonal 28mm Eyepiece 8x50 straight view Finderscope Limited 2-Year Warranty Table of Contents
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Technical parametersSky-Watcher S11530 Specs | | | Optical Design | Maksutov Cassegrain | | Aperture | 150 mm / 5.9" | | Focal Length | 1800 mm | | Focal Ratio | f/12 | | Focuser | Internal | | Eyepiece Barrel Diameter | 1.25", 2" | | Diagonal | 90
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