| Application |
Ranger |
Pronto |
Tele Vue-76 |
Tele Vue-85 |
Tele Vue-NP101 |
Tele Vue-102 and
Renaissance-102 |
Tele Vue-NP127 |
| Beginner |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Not recommended |
| Youngster |
Excellent |
Good |
Good |
Good |
May be too heavy |
May be too heavy |
Not recommended |
| Birder (hiking) |
Excellent |
Fair |
Fair |
Not recommended |
Not recommended |
Not recommended |
Not recommended |
| Birder (stationary) |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
| Traveling |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent (with optional soft carry bag) |
Very Good |
Good |
Terrestrial photography
(35mm) |
Good |
Excellent |
Excellent |
Excellent |
Excellent (when used on very stable mount) |
Excellent (when used on very stable mount) |
Excellent (when used on very stable mount) |
| Astrophotography (35mm) |
Good |
Good |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Astrophotography
(CCD) |
Not recommended |
Good |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
| Maximum visual field |
3.2º
(with 1.25" 32mm Plössl) |
5.5º
(with 2.0" 55mm Plössl) |
5.5º
(with 2.0" 55mm Plössl) |
4.4º
(with 2.0" 55mm Plössl) |
4.9º
(with 2.0" 55mm Plössl) |
3º
(with 2.0" 55mm Plössl) |
4º
(with 2.0" 55mm Plössl) |
Recommended
magnification range |
15X - 180X |
9X - 180X |
9X - 200X |
11X - 225X |
10X - 250X |
16X - 250X |
12X - 300X |
Light collection
(over human eye) |
100 |
100 |
118 |
147 |
200 |
210 |
329 |
| Aperture |
70 mm |
70 mm |
76 mm |
85 mm |
101 mm |
102 mm |
127 mm |
| Type |
E.D. |
E.D. |
APO |
APO |
APO |
APO |
APO |
| Focal Ratio |
f /6.8 |
f /6.8 |
f /6.3 |
f /7.0 |
f /5.4 |
f /8.6 |
f /5.2 |
| Focal Length |
480mm |
480mm |
480mm |
600mm |
540mm |
880mm |
660mm |
| Can use 2" eyepieces |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Overall length of
optical tube assembly |
15.5"
(w/o diag.)
17.4"
(w/11/4" diag.) |
14.5"
(w/o diag.)
17.4"
(w/2" diag.) |
14.5"
(w/o diag.)
17.4"
(w/2" diag.) |
19.0"
(w/o diag.)
21.9"
(w/2" diag.) |
26.1"
(w/o diag.)
29.0"
(w/2" diag.) |
30.9"
(w/o diag.)
33.8"
(w/2" diag.) |
33.0"
(w/o diag.)
35.9"
(w/2" diag.) |
Optical tube assembly weight
(Brass scopes are not available as OTAs) |
3.3 lbs |
4.5 lbs |
5.1 lbs |
6.1 lbs |
9.0 lbs |
8.8 lbs |
14 lbs |
Complete package weight
(w/diagonal and mount ring or mount bar for Ranger) |
3.6 lbs / 4.8 lbs (brass) |
6.4 lbs |
7.0 lbs |
8.0 lbs
9.6 lbs (brass) |
11.3 lbs |
11.1 lbs
14.8 lbs (brass) |
17 lbs |
| Carrying Case Supplied |
None (Soft case optional) |
Soft case |
Soft case |
Soft case |
Hard case
(Soft case optional) |
Hard case |
Hard case |
| Use with camera tripod |
Excellent |
Good |
Good |
Fair |
Not recommended |
Not recommended |
Not recommended |
Use with Tele Vue Tele-Pod Mount
(Sky Tour computer optional) |
Excellent |
Excellent |
Excellent |
Good |
Not recommended |
Not recommended |
Not recommended |
Use with Tele Vue Panoramic Mount
(Sky Tour computer optional) |
Excellent |
Excellent |
Excellent |
Excellent |
Good at 100X
Fair at 200X |
Fair at 100X
Not recommended at 200X |
Not recommended |
Use with Tele Vue Gibraltar Mount
(Sky Tour computer optional) |
Excellent, but "overkill" |
Excellent, but "overkill" |
Excellent, but "overkill" |
Excellent |
Excellent |
Excellent |
Good (but requires special mount head) |
| Accepts Bino Vue |
Not recommended |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Minimum Bino Vue
magnification with 32mm Plössl |
Not recommended |
30X |
30X |
37X |
34X |
55X |
41X |
| Lunar and planetary viewing |
Very Good |
Very Good |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Viewing open clusters,
brighter galaxies and nebulae |
Good |
Good |
Very Good |
Excellent |
Excellent |
Excellent |
Excellent |
Rich field viewing
(e.g., Milky Way) |
Good |
Very Good |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Available Colors:
(G)reen (I)vory (B)rass |
G, B |
G, I |
G, I |
G, I, B |
I |
I, B |
I |
Standard eyepiece
(w/complete package) |
20mm Plössl (24X) |
20mm Plössl (24X) |
20mm Plössl (24X) |
20mm Plössl (30X) |
No eyepiece supplied |
20mm Plössl (44X) |
No eyepiece supplied |
| Application |
Ranger |
Pronto |
Tele Vue-76 |
Tele Vue-85 |
Tele Vue-NP101 |
Tele Vue-102 and
Renaissance-102 |
Tele Vue-NP127 |
