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Sky-Watcher Skymax 90 Maksutov-Cassegrain Telescope - S11500

Item #:
SW-S11500
Brand:
Sky-Watcher
$220.00
Qty

Discontinued

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Sky-Watcher Skymax 90 Maksutov-Cassegrain Telescope - S11500

Sky-Watcher Skymax 90 Maksutov-Cassegrain Telescope - S11500

$220.00

Discontinued


S11500 Skymax 90 Maksutov-Cassegrain Telescope by Sky-Watcher

The Sky-Watcher Skymax Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are multi-coated to maximize contrast and image sharpness.

SKU S11500
UPC 050234115001
Optical Info
Optical Design Mak-Cass
Mirror Coatings 94% Aluminum
Lens Coatings Fully Multi-Coated
Glass Type BK7/Borosilicate
Primary Aperture (mm) 90
F/Ratio 13.9
Focal Length (mm) 1250
Secondary Diameter 29mm
Secondary Obstruction (by diameter) 32%
Secondary Obstruction by Area 10%
Observational Info
Dawes Limit 1.29
Rayleigh Limit 1.55
Limiting Mag. 12.3
Minimum Magnification 13
Maximum Magnification 177
Light Gathering (compared to next size down) 27%
General Info
Focuser Primary Mirror
OTA Length (Retract/Ext.) 11"
OTA Outer Diameter 4.125"
OTA Weight (with accessories) 3.6
Accessories
Included Finder Red Dot
Included Diagonal 1.25" Star Diagonal
Mounting Accessories 1/4-20" Foot
Included Eyepieces 25/10 Wide Angle
Magnification w/ Included Eyepieces 50x/125x
Included Case Yes
Corrector No

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