SKY-WATCHER SKYMAX 90 (S11500)

290.40$

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Description

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SKY-WATCHER SKYMAX 90

The SKY-WATCHER SKYMAX 90 is the ultimate take-anywhere telescopes. Despite the small dimensions of the Skymax telescopes, they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are multi-coated to maximize contrast and image sharpness.

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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

Skymax 90
Red Dor Finder
1.25" Star Diagonal
1/4-20" Foot
25mm and 10mm Super Eyepieces
Case