PowerSeeker Specifications
Optical Design
Aperture
Focal Length
Focal Ratio
Optical Coatings
Finderscope
Diagonal
Eyepieces
Apparent FOV
Erecting Eyepiece 1.5x w/20mm
Barlow Lens - 3x (2x for 40AZ)
Angular Field of View w/20mm eyepiece
Linear FOV w/20mm eyepiece -ft@1000yds
Mount
Altitude Locking Knob
Azimuth Lock
CD-ROM "The SkyX" Level 1
Highest Useful Magnification
Limiting Stellar Magnitude
Resolution -- Raleigh (arc seconds)
Resolution -- Dawes Limit " "
Light Gathering Power
Optical Tube Length
Telescope Weight - Optical Tube
Note: Specifications are subject to change without notice or obligation
21008
21039
PS 40AZ
PS 50AZ
Refractor
Refractor
40mm (1.6")
50mm (2.0")
500mm
600mm
f/12
f/12
fully coated
fully coated
2x20
5x24
Star Diagonal
Star Diagonal
0.96"
0.96"
20mm .96"
20mm .96"
(25x)
(30x)
8mm .96" (63x)
12mm .96" (50x)
4mm .96"
(150x)
20mm @ 32°
20mm @ 32°
8mm @ 30°
4mm @ 30°
38x
45x
0.96"
0.96"
w/20mm
w/20mm
(50x)
(90x)
w/8mm
w/12mm
(125x)
(150x)
w/4mm (450x)
1.3°
1.7°
67
89
Altazimuth
Altazimuth
yes
yes
no
no
yes
yes
100x
120x
10.8
11.1
3.05
2.66
2.85
2.28
33x
51x
18" (46cm)
22" (56cm)
0.8# (0.4kg)
1.5# (0.7kg)
25
21041
21036
PS 60AZ
PS 70AZ
Refractor
Refractor
60mm (2.4")
70mm (2.8")
700mm
700mm
f/12
f/10
fully coated
fully coated
5x24
5x24
Erect Image
Erect Image
1.25"
1.25"
20mm 1.25"
20mm 1.25"
(35x)
(35x)
n/a
n/a
4mm 1.25"
4mm 1.25"
(175x)
(175x)
20mm @ 50°
20mm @ 50°
4mm @ 40°
4mm @ 40°
n/a
n/a
1.25"
1.25"
w/20mm
w/20mm
(105x)
(105x)
n/a
n/a
w/4mm (525x)
w/4mm (525x)
1.4°
1.4°
74
74
Altazimuth
Altazimuth
yes
yes
yes
yes
yes
yes
142x
165x
11.4
11.7
2.31
1.98
1.93
1.66
73x
100x
28" (71cm)
30" (76cm)
2.0# (0.9kg)
6# (2.7kg)
21044
PS 76AZ
Newtonian
76mm (3.0")
700mm
f/9
fully coated
5x24
n/a
20mm 1.25" Erect
Image (35x)
n/a
4mm 1.25"
(175x)
20mm @ 50°
4mm @ 40°
n/a
1.25"
w/20mm
(105x)
n/a
w/4mm (525x)
1.4°
74
Altazimuth
yes
yes
yes
180x
11.9
1.82
1.53
118x
26" (66cm)
8.5# (3.9kg)