Sky-Watcher Skymax 150 150mm f/12 Maksutov-Cassegrain Telescope (OTA Only)

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Your Price: CAD1,307.90

• 150mm Maksutov-Cassegrain • 1800 mm (f/12) • Fully multi-coated • 9x50 straight-through finderscope • 2” 90 degree Star diagonal • 28mm 2” LET eyepiece • Green V-style dovetail plate

Part Number: S11530

Availability: Usually ships in 5-7 business days

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Description

Product Highlights

150mm Aperture Maksutov-Cassegrain OTA
1800mm Focal Length, f/12 Focal Ratio
Limited-Diffraction Optical System
Fully Multi-Coated Optics
Internal Primary Mirror Focusing System
28mm Long Eye Relief 2" Eyepiece
2" 90° Star Diagonal
8x50 Straight-Viewing Finderscope
Vixen-Style Dovetail Plate
OTA Only - Mount and Tripod Required

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

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

Requires mount and tripod for proper use
Vixen-style dovetail plate
Weight 14 pounds, including OTA and accessories

Included Accessories

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

Specifications

Optical Tube Assembly
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° Star
Finderscope	Yes
Mounting System	Vixen Style

General
Batteries	None
GPS	None
Wi-Fi	None
Weight	14.0 lb / 6.4 kg

Packaging Info
Package Weight	17.3 lb
Box Dimensions (LxWxH)	24.7 x 10.7 x 9.9"

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

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Sky-Watcher Skymax 150 150mm f/12 Maksutov-Cassegrain Telescope (OTA Only)

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