TeleVue Eyepiece Specifications
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Tele Vue Nagler Eyepiece Specifications
| Type | Focal Length (mm) |
Barrel Size (in.) |
# Elements / # Groups |
Apparent Field of View (deg.) |
Parfocal Group |
Eye Relief (mm) |
Weight (lb / oz) |
| 5 | 31 | 2" | 6/4 | 82 | 19 | 2.20/35.2 | |
| 5 | 26 | 2" | 6/4 | 82 | 16 | 1.60/25.6 | |
| 4 | 22 | 2" | 7/5 | 82 | 19 | 1.50/24.0 | |
| 5 | 20 | 2" | 6/4 | 82 | C | 12 | 1.04/16.6 |
| 4 | 17 | 2" | 7/5 | 82 | 17 | 1.60/25.6 | |
| 5 | 16 | 1¼" | 6/4 | 82 | B | 10 | 0.44/7.1 |
| 6 | 13 | 1¼" | 7/4 | 82 | B | 12 | 0.40/6.4 |
| 4 | 12 | 2" & 1¼" | 6/4 | 82 | 17 | 1.01/16.2 | |
| 6 | 11 | 1¼" | 7/4 | 82 | B | 12 | 0.42/6.7 |
| 6 | 9 | 1¼" | 7/4 | 82 | B | 12 | 0.42/6.7 |
| 6 | 7 | 1¼" | 7/4 | 82 | B | 12 | 0.50/8.0 |
| 6 | 5 | 1¼" | 7/4 | 82 | B | 12 | 0.49/7.9 |
| 6 | 3.5 | 1¼" | 7/4 | 82 | B | 12 | 0.53/8.5 |
| 6 | 2.5 | 1¼" | 7/4 | 82 | B | 12 | 0.54/8.7 |
Tele Vue Panoptic Eyepiece Specifications
| Focal Length (mm) |
Barrel Size (in.) |
# Elements / # Groups |
Apparent Field of View (deg.) |
Parfocal Group |
Eye Relief (mm) |
Weight (lb / oz) |
| 41 | 2" | 6/4 | 68 | A | 27 | 2.10/33.6 |
| 35 | 2" | 6/4 | 68 | C | 24 | 1.60/25.6 |
| 27 | 2" | 6/4 | 68 | A | 19 | 1.03/16.4 |
| 24 | 1¼" | 6/4 | 68 | B | 15 | 0.51/8.2 |
| 22 | 2" & 1¼" | 6/4 | 68 | A | 15 | 0.96/15.4 |
| 19 | 1¼" | 6/4 | 68 | B | 13 | 0.41/6.6 |
| 15 | 1¼" | 6/4 | 68 | B | 10 | 0.30/4.8 |
Tele Vue Plossl Eyepiece Specifications
| Focal Length (mm) |
Barrel Size (in.) |
# Elements / # Groups |
Apparent Field of View (deg.) |
Parfocal Group |
Eye Relief (mm) |
Weight (lb / oz) |
| 55 | 2" | 4/2 | 50 | 38 | 1.13/18.1 | |
| 40 | 1¼" | 4/2 | 43 | 28 | 0.41/6.6 | |
| Plössl | 1¼" | 4/2 | 50 | B | 22 | 0.39/6.2 |
| 25 | 1¼" | 4/2 | 50 | B | 17 | 0.27/4.3 |
| 20 | 1¼" | 4/2 | 50 | B | 14 | 0.19/3.0 |
| 15 | 1¼" | 4/2 | 50 | B | 10 | 0.16/2.6 |
| 11 | 1¼" | 4/2 | 50 | B | 8 | 0.14/2.2 |
| 8 | 1¼" | 4/2 | 50 | B | 6 | 0.11/1.8 |
Tele Vue Radian Eyepiece Specifications
| Focal Length (mm) |
Barrel Size (in.) |
# Elements / # Groups |
Apparent Field of View (deg.) |
Parfocal Group |
Eye Relief (mm) |
Weight (lb / oz) |
| 18 | 1¼" | 6/4 | 60 | B | 20 | 0.49/7.8 |
| 14 | 1¼" | 6/4 | 60 | B | 20 | 0.54/8.7 |
| 12 | 1¼" | 6/4 | 60 | B | 20 | 0.53/8.5 |
| 10 | 1¼" | 6/4 | 60 | B | 20 | 0.54/8.7 |
| 8 | 1¼" | 6/4 | 60 | B | 20 | 0.60/9.6 |
| 6 | 1¼" | 7/5 | 60 | B | 20 | 0.79/12.6 |
| 5 | 1¼" | 7/5 | 60 | B | 20 | 0.80/12.8 |
| 4 | 1¼" | 7/5 | 60 | B | 20 | 0.76/12.1 |
| 3 | 1¼" | 7/5 | 60 | B | 20 | 0.77/12.3 |