Meade EXT90 Instruction Manual page 49

SPECIFICATIONS
Model and Product Number
Optical System
Optical Design
Primary Mirror Diameter
Primary Mirror Material
Focal Length, Focal Ratio
Optical Coatings
Resolving Power (arcseconds)
Limiting Visual Stellar Magnitude
Viewfinder
Mount
Mount Type
Power
Battery Life
Tripod
Electronics
Controller Hand Box
Included Accessories
Eyepieces
Bubble Level/Compass
Astronomy Software
Weight
Telescope
Tripod
Carry Case
ETX90 Portable Observatory # 3514-04-20
Maksutov-Cassegrain
3.5" (90mm)
Optical quality glass
1250mm, f/13.8
Ultra-High Transmission Coatings (UHTC™)
1.3 arcseconds
11.7
Red Dot
Dual Fork Altazimuth
6 "AA" Cell Batteries or AC Adapter
20 hours
Adjustable-Height Steel Leg Tripod
with EQ tilt-plate
AutoStar #497
Super Plössl 26mm and 9.7mm - 1.25"
Included - 1.25"
Included - for Windows OS
9.05 lbs.
13.3 lbs
6.65 lbs
9