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30
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