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Specifications – Celestron StarSense Explorer 12" f/4.9 Dobsonian Telescope User Manual

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#22472 StarSense Explorer 12” Dobsonian

Optical Design

Newtonian reflector

Aperture

12” (305mm)

Focal Length

1500mm

Focal Ratio

F/4.9

Optical Coatings

XLT reflective coatings with silicon dioxide and tantalum pentoxide protective

overcoatings for primary and secondary mirrors

Mirror Material

Pyrex equivalent for primary and secondary mirrors

Primary mirror thickness

37mm (approx. 1:8 thickness ratio)

Secondary mirror thickness

11mm

Minor axis of secondary mirror

70mm

Tube material

Steel

Focuser

2” Crayford, includes 2” extension tube and 2”-to-1.25” adapter

Eyepiece / Magnification

32mm Omni Plössl, 47x

Finderscope

StarPointer red-dot finderscope

Other Accessories

StarSense Explorer dock, eyepiece rack, collimation cap, carry handles for OTA and

base, pointing knob, dust covers

Tripod

Altazimuth Dobsonian base, adjustable altitude tensioning

Optical Tube Dimensions

56” x 14” diameter

Optical Tube Weight

49.8 lbs.

Base dimensions

25” x 25” x 29”

Base weight

33.8 lbs.

Total Telescope Kit Weight

83.6 lbs.

SPECIFICATIONS