Celestron StarSense Explorer 150mm Smartphone App-Enabled Tabletop Dobsonian Tel - Page 19

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SPECIFICATIONS #22471 StarSense Explorer 10" Dobsonian Optical Design Newtonian reflector Aperture 10" (254mm) Focal Length 1200mm Focal Ratio F/4.7 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 30mm (approx. 1:8.5 thickness ratio) Secondary mirror thickness 11.5mm Minor axis of secondary mirror 64mm Tube material Steel Focuser 2" Crayford, includes 2" extension tube and 2"-to-1.25" adapter Eyepiece / Magnification 25mm Plössl, 48x 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 44" x 11.5" diameter Optical Tube Weight 29.2 lbs. Base dimensions 26.5" x 21" x 21" Base weight 25.6 lbs. Total Telescope Kit Weight 54.8 lbs. ENGLISH I 19

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ENGLISH
I
19
#22471 StarSense Explorer 10” Dobsonian
Optical Design
Newtonian reflector
Aperture
10” (254mm)
Focal Length
1200mm
Focal Ratio
F/4.7
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
30mm (approx. 1:8.5 thickness ratio)
Secondary mirror thickness
11.5mm
Minor axis of secondary mirror
64mm
Tube material
Steel
Focuser
2” Crayford, includes 2” extension tube and 2”-to-1.25” adapter
Eyepiece / Magnification
25mm Plössl, 48x
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
44” x 11.5” diameter
Optical Tube Weight
29.2 lbs.
Base dimensions
26.5” x 21” x 21”
Base weight
25.6 lbs.
Total Telescope Kit Weight
54.8 lbs.
SPECIFICATIONS