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POWERSEEKER
SPECIFICATIONS
Model Number 21043 21037 21048 21045 21049
Description PS 60EQ PS 70EQ PS 80EQ PS 114EQ PS 127EQ
Optical Design Refractor Refractor Refractor Newtonian Newtonian
Aperture
60mm
(2.4")
70mm
(2.8")
80mm
(3.1")
114mm
(4.5") 127mm (5")
Focal Length 900mm 700mm 900mm 900mm 1000mm
Focal Ratio f/15 f/10 f/11 f/8 f/8
Optical Coatings
Fully
Coated
Fully
Coated
Fully
Coated
Fully
Coated
Fully Coated
Finderscope 5x24 5x24 5x24 5x24 5x24
Diagonal 1.25" Erect Image Erect Image Erect Image
n/a n/a
Eyepieces 1.25" 20mm (45x) 20mm (35x) 20mm (45x)
20mm Erect 20mm Erect
Image (45x) Image (50x)
4mm (225x) 4mm (175x) 4mm (225x)
4mm
(225x)
4mm
(250x)
Barlow Lens 1.25" 3x yes yes yes yes yes
Angular Field of View w/20mm eyepiece 1.1° 1.4° 1.1° 1.1° 1.0°
Linear FOV w/20mm eyepiece -ft/1000yds 58 74 58 58 53
Mount Equatorial Equatorial Equatorial Equatorial Equatorial
RA & DEC Setting Circles yes yes yes yes yes
RA & DEC Slow-Motion Cables yes yes yes yes yes
CD-ROM "The Sky" Level 1 yes yes yes yes yes
Highest Useful Magnification 142x 165x 189x 269x 300x
Limiting Stellar Magnitude 11.4 11.7 12.0 12.8 13.0
Resolution -- Raleigh (arc seconds) 2.31 1.98 1.73 1.21 1.09
Resolution -- Dawes Limit " " 1.93 1.66 1.45 1.02 0.91
Light Gathering Power 73x 100x 131x 265x 329x
Counterweight – approximate weight
(rounded)
2 lbs.
(0.9kg)
4 lbs.
(1.8kg)
4 lbs.
(1.8kg)
6 lbs.
(2.7kg)
7.5 lbs.
(3.4kg)
Optical Tube Length 38” (97cm) 30” (76cm) 37” (94cm) 35” (89cm) 18” (46cm)
Telescope Weight
14 lbs.
(6.4kg)
14 lbs.
(6.4kg)
18 lbs.
(8.2kg)
19 lbs.
(8.6kg)
22 lbs.
(10.0kg)
Note: Specifications are subject to change without notice or obligation
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