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Series 5000 ED APO Comparison
Specifications 80mm 102mm 127mm
Optical Design 3-element Apochromatic Refractor 3-element Apochromatic Refractor 3-element Apochromatic Refractor
Objective Lens Size 80mm (3.1") 102mm (4") 127mm (5")
Focal Length Focal Ratio 480mm; f/6 700mm; f/7 952.5mm; f/7.5
Optics Fully Multi-Coated Fully Multi-Coated Fully Multi-Coated
Telescope Dimensions (L x W x H): 15" x 4.9" x 4.9" 29.5" x 5.25" x 5.25" 33.3" x 6.125" x 6.125"
Tube Body Aluminum Aluminum Aluminum
Dew Shield Built-in Extendable Built-in Extendable Built-in Extendable
Optical Glass FCD1 ED (Extremely Low Dispersion) glass. Air spaced in lens cell. FCD1 ED (Extremely Low Dispersion) glass. Air spaced in lens cell. FCD1 ED (Extremely Low Dispersion) glass. Air spaced in lens cell.
Focuser Machined 2" Dual Speed Crayford style focuser Machined 2" Dual Speed Crayford style focuser Machined 2" Dual Speed Crayford style focuser
Diagonal Series 5000 2" Enhanced Diagonal Series 5000 2" Enhanced Diagonal Series 5000 2" Enhanced Diagonal
Telescope Weight (with diagonal) 7.2 lbs. 12.2 lbs. 17.7 lbs.
Price: $799 $1,499 $1,999
  Full Details
Full Details
Full Details