Telescopes: Sky-Watcher BK 909EQ2

Brand

Brand history

Sky-Watcher BK 909EQ2

Rating:

achromatic refractor, 90 mm lens, f. the distance 900 mm, relative. hole 1/10, Equatorial mount (EQ), the eyepieces 10 mm/25 mm

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Main (Sky-Watcher BK 909EQ2)
Type (optical layout)	achromatic refractor
Lens diameter (aperture)	90 mm
Enlightenment optics	standard
Focal length	900 mm
Relative aperture	1/10
Magnitude limit	12.5 m
The maximum useful magnification	180 X
Type mount	Equatorial (EQ)
Eyepieces and tips (Sky-Watcher BK 909EQ2)
The number of eyepieces included	2
The diameter of the eyepiece	1.25"
The focal length eyepieces	10 mm, 25 mm
Optical zoom	36x, 90x
A relay lens
A relay mirror
Inverting prism	90°
The optical finder
Finder pole
The crowbar (Sky-Watcher BK 909EQ2)
Computerized mount
Automatic binding to the sky
Computer control
GPS
Clockwork
Adjusting the ride
The mechanism for fine tuning
Coordinate circles
Tripod	aluminum
Dimensions and weight (Sky-Watcher BK 909EQ2)
The length of the optical pipe	870 mm
Tripod height	71 — 123 sm
Weight	2.5 kg

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