Tele Vue Eyepiece Specifications
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TeleVue.com: Advice Article List > Tele Vue Eyepiece Specifications |
All Tele Vue eyepieces listed have proprietary tuned full multi-coatings, blackened lens edges, high index glasses, fold-down eyeguards, rubber grip rings, cover for the eyeguard, an undercut in the barrel for extra locking security and filter threads. All Tele Vue eyepiece lines are proprietary, in-house designs manufactured to our specifications and tolerances. Every eyepiece is individually tested at Tele Vue to ensure it meets our high optical and cosmetic standards.
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EPL-55.0 | 55 | Plössl | 2" | 4 / 2 | 50 | 38 | 46 | 3 | 1.4 | 2.3 | 1.16 | 1.13 / 18.1 | Y | |||||
EPL-40.0 | 40 | Plössl | 1¼" | 4 / 2 | 43 | 28 | 27 | 1.8 | 0.9 | 1.6 | 0.7 | 0.41 / 6.6 | Y | Y | ||||
EPL-32.0 | 32 | Plössl | 1¼" | 4 / 2 | 50 | B | 22 | 27 | 1.9 | 0.9 | 1.6 | 0.25 | 0.39 / 6.2 | Y | Y | |||
EAP-25.0 | 25 | Plössl | 1¼" | 4 / 2 | 50 | B | 17 | 21.2 | 1.6 | 0.9 | 1.3 | 0.25 | 0.27 / 4.3 | Y | N | |||
EAP-20.0 | 20 | Plössl | 1¼" | 4 / 2 | 50 | B | 14 | 17.1 | 1.2 | 0.9 | 1.3 | 0.25 | 0.19 / 3.0 | Y | N | |||
EAP-15.0 | 15 | Plössl | 1¼" | 4 / 2 | 50 | B | 10 | 12.6 | 0.9 | 0.9 | 1.3 | 0.25 | 0.16 / 2.6 | Y | N | |||
EAP-11.0 | 11 | Plössl | 1¼" | 4 / 2 | 50 | B | 8 | 9.1 | 0.5 | 0.9 | 1.4 | 0.25 | 0.14 / 2.2 | Y | N | |||
EAP-08.0 | 8 | Plössl | 1¼" | 4 / 2 | 50 | B | 6 | 6.5 | 0.4 | 0.9 | 1.4 | 0.25 | 0.11 / 1.8 | Y | N | |||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EDE-18.2 | 18.2 | DeLite | 1¼" | / | 62 | B | 20 | 19.1 | 1.9 | 1.1 | 1.9 | 0.25 | 0.48 / 7.6 | Y | Y | Y | ||
EDE-15.0 | 15 | DeLite | 1¼" | / | 62 | B | 20 | 16 | 2 | 1.1 | 1.9 | 0.25 | 0.47 / 7.5 | Y | Y | Y | ||
EDE-13.0 | 13 | DeLite | 1¼" | / | 62 | B | 20 | 13.8 | 2.3 | 1.1 | 1.9 | 0.25 | 0.49 / 7.8 | Y | Y | Y | ||
EDE-11.0 | 11 | DeLite | 1¼" | / | 62 | B | 20 | 11.7 | 2.3 | 1.1 | 1.9 | 0.25 | 0.44 / 7.1 | Y | Y | Y | ||
EDE-09.0 | 9 | DeLite | 1¼" | / | 62 | B | 20 | 9.6 | 2.4 | 1.1 | 1.9 | 0.25 | 0.46 / 7.3 | Y | Y | Y | ||
EDE-07.0 | 7 | DeLite | 1¼" | / | 62 | B | 20 | 7.5 | 2.6 | 1.1 | 1.9 | 0.25 | 0.46 / 7.3 | Y | Y | Y | ||
EDE-05.0 | 5 | DeLite | 1¼" | / | 62 | B | 20 | 5.3 | 3 | 1.1 | 1.9 | 0.25 | 0.47 / 7.5 | Y | Y | Y | ||
EDE-04.0 | 4 | DeLite | 1¼" | / | 62 | B | 20 | 4.3 | 3.1 | 1.1 | 1.9 | 0.25 | 0.48 / 7.6 | Y | Y | Y | ||
EDE-03.0 | 3 | DeLite | 1¼" | / | 62 | B | 20 | 3.2 | 3.1 | 1.1 | 1.9 | 0.25 | 0.49 / 7.8 | Y | Y | Y | ||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EPO-41.0 | 41 | Panoptic | 2" | 6 / 4 | 68 | A | 27 | 46 | 3.8 | 1.1 | 3 | 0.27 | 2.10 / 33.6 | Y | Y | |||
EPO-35.0 | 35 | Panoptic | 2" | 6 / 4 | 68 | C | 24 | 38.7 | 3.1 | 1.2 | 2.6 | 0.17 | 1.60 / 25.6 | Y | ||||
EPO-27.0 | 27 | Panoptic | 2" | 6 / 4 | 68 | A | 19 | 30.5 | 2.4 | 1.2 | 2.1 | 0.29 | 1.03 / 16.4 | Y | ||||
EPO-24.0 | 24 | Panoptic | 1¼" | 6 / 4 | 68 | B | 15 | 27 | 2.1 | 0.8 | 1.9 | 0.25 | 0.51 / 8.2 | Y | Y* | |||
EPO-19.0 | 19 | Panoptic | 1¼" | 6 / 4 | 68 | B | 13 | 21.3 | 1.7 | 0.9 | 1.7 | 0.25 | 0.41 / 6.6 | Y | Y* | |||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EDL-17.3 | 17.3 | Delos | 1¼" | / | 72 | D | 20 | 21.2 | 3.1 | 1.1 | 2.2 | -0.23 | 0.90 / 14.4 | Y | Y | Y | ||
EDL-14.0 | 14 | Delos | 1¼" | / | 72 | D | 20 | 17.3 | 3.5 | 0.9 | 2.2 | -0.23 | 0.90 / 14.4 | Y | Y | Y | ||
EDL-12.0 | 12 | Delos | 1¼" | / | 72 | B | 20 | 15 | 3.1 | 1.2 | 2.2 | 0.25 | 0.90 / 14.4 | Y | Y | Y | ||
EDL-10.0 | 10 | Delos | 1¼" | / | 72 | B | 20 | 12.7 | 3.5 | 1.1 | 2.2 | 0.25 | 0.90 / 14.4 | Y | Y | Y | ||
EDL-08.0 | 8 | Delos | 1¼" | / | 72 | B | 20 | 9.9 | 3.6 | 1.2 | 2.2 | 0.25 | 1.00 / 16.0 | Y | Y | Y | ||
EDL-06.0 | 6 | Delos | 1¼" | / | 72 | B | 20 | 7.6 | 4.1 | 1.1 | 2.2 | 0.25 | 1.00 / 16.0 | Y | Y | Y | ||
EDL-04.5 | 4.5 | Delos | 1¼" | / | 72 | B | 20 | 5.6 | 4 | 1.1 | 2.2 | 0.25 | 1.10 / 17.6 | Y | Y | Y | ||
EDL-03.5 | 3.5 | Delos | 1¼" | / | 72 | B | 20 | 4.4 | 4.2 | 1.1 | 2.2 | 0.25 | 1.10 / 17.6 | Y | Y | Y | ||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EN5-31.0 | 31 | Nagler 5 | 2" | 6 / 4 | 82 | B | 19 | 42 | 3.9 | 1.5 | 3.3 | -0.38 | 2.20 / 35.2 | Y | Y | |||
EN4-22.0 | 22 | Nagler 4 | 2" | 7 / 5 | 82 | B | 19 | 31.1 | 2.4 | 1.5 | 2.4 | -0.29 | 1.50 / 24.0 | Y | Y | |||
EN5-16.0 | 16 | Nagler 5 | 1¼" | 6 / 4 | 82 | B | 10 | 22.1 | 1.5 | 1.2 | 1.7 | 0.28 | 0.44 / 7.1 | Y | N | |||
EN6-13.0 | 13 | Nagler 6 | 1¼" | 7 / 4 | 82 | B | 12 | 17.6 | 1.6 | 1.3 | 1.6 | 0.25 | 0.40 / 6.4 | Y | Y* | |||
EN6-09.0 | 9 | Nagler 6 | 1¼" | 7 / 4 | 82 | B | 12 | 12.4 | 1.9 | 1.2 | 1.6 | 0.25 | 0.42 / 6.7 | Y | Y* | |||
EN6-07.0 | 7 | Nagler 6 | 1¼" | 7 / 4 | 82 | B | 12 | 9.7 | 2.2 | 1.2 | 1.6 | 0.25 | 0.50 / 8.0 | Y | Y* | |||
EN6-05.0 | 5 | Nagler 6 | 1¼" | 7 / 4 | 82 | B | 12 | 7 | 2.1 | 1.2 | 1.6 | 0.25 | 0.49 / 7.9 | Y | Y* | |||
EN6-03.5 | 3.5 | Nagler 6 | 1¼" | 7 / 4 | 82 | B | 12 | 4.8 | 2.2 | 1.2 | 1.6 | 0.25 | 0.53 / 8.5 | Y | Y* | |||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
ETH-21.0 | 21 | Ethos | 2" | / | 100 | B | 15 | 36.2 | 4.3 | 1.62 | 2.95 | -0.38 | 2.25 / 36.0 | Y | Y | |||
ETH-17.0 | 17 | Ethos | 2" | / | 100 | B | 15 | 29.6 | 4.5 | 1.4 | 2.44 | -0.39 | 1.55 / 24.8 | Y | Y | |||
ETH-13.0 | 13 | Ethos | 2" & 1¼" | / | 100 | D* | 15 | 22.3 | 4 | 1.6 | 1.1 | 2.44 | 1.1 | 0.27 | 1.30 / 20.8 | Y | Y | Y |
ETH-10.0 | 10 | Ethos | 2" & 1¼" | / | 100 | D* | 15 | 17.7 | 3.8 | 1.6 | 1.1 | 2.3 | 1.1 | 0.27 | 1.10 / 17.6 | Y | Y | Y |
ETH-08.0 | 8 | Ethos | 2" & 1¼" | / | 100 | B* | 15 | 13.9 | 3.3 | 1.7 | 0.94 | 2.1 | 1.2 | 0.7 | 0.95 / 15.2 | Y | Y | Y |
ETH-06.0 | 6 | Ethos | 2" & 1¼" | / | 100 | B* | 15 | 10.4 | 3.5 | 1.5 | 0.94 | 2.1 | 1.1 | 0.7 | 0.97 / 15.5 | Y | Y | Y |
ETH-04.7 | 4.7 | Ethos SX | 2" & 1¼" | / | 110 | B* | 15 | 8.94 | 5.4 | 0.9 | 2.2 | 0.25 | 1.30 / 20.8 | Y | Y | Y | ||
ETH-03.7 | 3.7 | Ethos SX | 2" & 1¼" | / | 110 | B* | 15 | 7.04 | 5 | 1.1 | 2.2 | 0.25 | 1.10 / 17.6 | Y | Y | Y | ||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
ENZ-0306 | 6-3 | Nagler Zoom | 1¼" | 5 / 3 | 50 | B | 10 | 5.1-2.6 | 0.7 | 1.6 | 1.7 | 0.25 | 0.33 / 5.3 | Y | N |
Table Notes
2E / G: # Lens Elements / # Groups
3AF: Apparent Field of View
4G: Parfocal Group, eyepieces with the same letter are approximately parfocal — require little (if any) refocusing when used together. Letters marked with "*" indicate dual barrel eyepieces used in 1¼ " mode. They are parfocal with single-barrel eyepieces with the same letter. e.g., "B" is parfocal with "B*" in 1¼ " mode. Note, parfocality of dual barrel eyepieces will be inaccurate in use if the dual barrel eyepiece does not seat fully into an 1¼" adapter or diagonal.
5ER: Eye Relief
6Eyepiece Dimensions: see diagram
*Additional adapter required for Dioptrx™ attachment
Do not use "F" values other than +0.25 as an indicator of parfocality (negative number is above reference surface). "F" for dual barrel eyepieces is from the 2" holder stop as shown in the diagram to the right.
![](/images/TV3_Images/Images_in_articles/TV_EP_Diagram.gif)
Tele Vue Eyepiece Notes
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True Field in degrees of an eyepiece can be calculated from the field stop diameter and telescope focal length:
True Field (°) = 57.3° x eyepiece field stop / telescope focal lengthAll Nagler, Radian, Ethos, Delos, and DeLite eyepieces have internal focal planes. Field stop diameters and locations are "effective". Radian and Nagler type-4 eyepieces have "Instajust Eyeguards," and "pupil guide" accessory. Delos and DeLite eyepieces have an adjustable/lockable eyeguard.
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The 55mm Plössl and 41mm Panoptic eyepieces have an adjustable height (removable) eyeguard.
Also available: 2X and 3X parfocal 1¼" Barlows; parfocal 2.5x and 5x 1¼" Powermates; 2X Big Barlow, 2x and 4x Powermates for 2" focusers. Use Paracorr (1.15X) to correct fast parabolic "Dob/Newts", dramatically sharpens field to take full advantage of Tele Vue eyepiece capabilities.
All dual barrel eyepieces work equally well in 1¼" or 2" focusers.
For your convenience, this table lists older eyepieces that are currently no longer available.
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EAL-11.0 | 11 | Apollo (disc) | 2" & 1¼" | 0 / 0 | 85 | 18 | 16.2 | 1.37 / 21.9 | Y | Y | Y | |||||||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EPL-07.4 | 7.4 | Plössl (disc) | 1¼" | 0 / 0 | 50 | 5 | 6.2 | 0.26 | 0.88 | 1.32 | 0.10 / 1.6 | Y | N | |||||
EPL-10.5 | 10.5 | Plössl (disc) | 1¼" | 0 / 0 | 50 | 7 | 8.7 | 0.47 | 0.88 | 1.32 | 0.10 / 1.6 | Y | N | |||||
EPL-13.0 | 13 | Plössl (disc) | 1¼" | 0 / 0 | 50 | 9 | 10.9 | 0.65 | 0.88 | 1.32 | 0.20 / 3.2 | Y | N | |||||
EPL-17.0 | 17 | Plössl (disc) | 1¼" | 0 / 0 | 50 | 12 | 14.3 | 0.9 | 0.88 | 1.32 | 0.20 / 3.2 | Y | N | |||||
EPL-21.0 | 21 | Plössl (disc) | 1¼" | 0 / 0 | 50 | 14 | 18.1 | 1.18 | 0.88 | 1.32 | 0.20 / 3.2 | Y | N | |||||
EPL-26.0 | 26 | Plössl (disc) | 1¼" | 0 / 0 | 50 | 18 | 22.1 | 1.5 | 0.88 | 1.32 | 0.30 / 4.8 | Y | N | |||||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
ERD-03.0 | 3 | Radian (disc) | 1¼" | 7 / 5 | 60 | B | 20 | 3.3 | 2.7 | 1.1 | 1.8 | 0.25 | 0.77 / 12.3 | Y | Y | Y | ||
ERD-04.0 | 4 | Radian (disc) | 1¼" | 7 / 5 | 60 | B | 20 | 4.2 | 2.6 | 1 | 1.8 | 0.25 | 0.76 / 12.1 | Y | Y | Y | ||
ERD-05.0 | 5 | Radian (disc) | 1¼" | 7 / 5 | 60 | B | 20 | 5.3 | 2.6 | 1.2 | 1.8 | 0.25 | 0.80 / 12.8 | Y | Y | Y | ||
ERD-06.0 | 6 | Radian (disc) | 1¼" | 7 / 5 | 60 | B | 20 | 6.3 | 2.5 | 1.3 | 1.8 | 0.25 | 0.79 / 12.6 | Y | Y | Y | ||
ERD-08.0 | 8 | Radian (disc) | 1¼" | 6 / 4 | 60 | B | 20 | 8.3 | 2.2 | 1.2 | 1.8 | 0.25 | 0.60 / 9.6 | Y | Y | Y | ||
ERD-10.0 | 10 | Radian (disc) | 1¼" | 6 / 4 | 60 | B | 20 | 10.5 | 1.9 | 1.2 | 1.8 | 0.25 | 0.54 / 8.7 | Y | Y | Y | ||
ERD-12.0 | 12 | Radian (disc) | 1¼" | 6 / 4 | 60 | B | 20 | 12.6 | 1.8 | 1.1 | 1.8 | 0.25 | 0.53 / 8.5 | Y | Y | Y | ||
ERD-14.0 | 14 | Radian (disc) | 1¼" | 6 / 4 | 60 | B | 20 | 14.4 | 1.6 | 1.4 | 1.8 | 0.25 | 0.54 / 8.7 | Y | Y | Y | ||
ERD-18.0 | 18 | Radian (disc) | 1¼" | 6 / 4 | 60 | B | 20 | 18.3 | 1.4 | 1.4 | 1.8 | 0.25 | 0.49 / 7.8 | Y | Y | Y | ||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EWF-15.0 | 15 | Wide Field (disc) | 1¼" | 0 / 0 | 65 | 9 | 15.4 | 1.27 | 0.88 | 1.33 | 0.30 / 4.8 | Y | N | |||||
EWF-19.0 | 19 | Wide Field (disc) | 1¼" | 0 / 0 | 65 | 11 | 19.6 | 1.46 | 0.88 | 1.33 | 0.30 / 4.8 | Y | N | |||||
EWF-24.0 | 24 | Wide Field (disc) | 1¼" | 0 / 0 | 65 | 14 | 24.7 | 1.91 | 0.88 | 1.78 | 0.50 / 8.0 | Y | N | |||||
EWF-32.0 | 32 | Wide Field (disc) | 2" | 0 / 0 | 65 | 19 | 33 | 2.75 | 1.38 | 2.28 | 1.10 / 17.6 | N | ||||||
EWF-40.0 | 40 | Wide Field (disc) | 2" | 0 / 0 | 65 | 24 | 41.2 | 3.5 | 1.51 | 2.64 | 2.00 / 32.0 | N | ||||||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EPO-15.0 | 15 | Panoptic (disc) | 1¼" | 6 / 4 | 68 | B | 10 | 17.1 | 1.3 | 0.9 | 1.4 | 0.25 | 0.30 / 4.8 | Y | N | |||
EPO-22.0 | 22 | Panoptic (disc) | 2" & 1¼" | 6 / 4 | 68 | A | 15 | 25 | 2 | 1.7 | 1 | 2.1 | 1.3 | 0.27 | 0.96 / 15.4 | Y | ||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
EN6-02.5 | 2.5 | Nagler 6 (disc) | 1¼" | 7 / 4 | 82 | B | 12 | 3.4 | 2.3 | 1.2 | 1.6 | 0.25 | 0.54 / 8.7 | Y | Y* | |||
ENA-04.8 | 4.8 | Nagler Original (disc) | 1¼" | 7 / 4 | 82 | B | 7 | 6.6 | 1.3 | 1.1 | 1.3 | 0.25 | 0.33 / 5.3 | Y | N | |||
ENA-07.0 | 7 | Nagler Original (disc) | 1¼" | 7 / 4 | 82 | B | 10 | 9.4 | 1.9 | 1.1 | 1.3 | 0.25 | 0.41 / 6.5 | Y | N | |||
ENA-09.0 | 9 | Nagler Original (disc) | 2" & 1¼" | 0 / 0 | 82 | 12 | 12.3 | 2.05 | 1.75 | 1 | 1.81 | 0.70 / 11.2 | N | |||||
ENA-11.0 | 11 | Nagler Original (disc) | 2" & 1¼" | 0 / 0 | 82 | 15 | 14.9 | 0.00 / 0.0 | N | |||||||||
EN6-11.0 | 11 | Nagler 6 (disc) | 1¼" | 7 / 4 | 82 | B | 12 | 14.9 | 1.7 | 1.2 | 1.6 | 0.25 | 0.42 / 6.7 | Y | Y* | |||
EN4-12.0 | 12 | Nagler 4 (disc) | 2" & 1¼" | 6 / 4 | 82 | 17 | 17.1 | 2.3 | 1.8 | 1 | 2.4 | 1.2 | 0.78 | 1.01 / 16.2 | Y | |||
EN2-12.0 | 12 | Nagler 2 (disc) | 2" & 1¼" | 0 / 0 | 82 | 11 | 16.4 | 2.57 | 1.93 | 1.1 | 2.17 | 1.10 / 17.6 | N | |||||
ENA-13.0 | 13 | Nagler Original (disc) | 2" & 1¼" | 0 / 0 | 82 | 18 | 17.8 | 3.56 | 1.75 | 1 | 2.44 | 1.4 | 0.31 | 1.40 / 22.4 | N | |||
EN2-16.0 | 16 | Nagler 2 (disc) | 2" & 1¼" | 0 / 0 | 82 | 10 | 21.9 | 2.32 | 1.93 | 1.11 | 2.17 | 1.00 / 16.0 | N | |||||
EN4-17.0 | 17 | Nagler 4 (disc) | 2" | 7 / 5 | 82 | 17 | 24.3 | 2.6 | 1.5 | 2.4 | -0.03 | 1.60 / 25.6 | Y | Y | ||||
EN2-20.0 | 20 | Nagler 2 (disc) | 2" | 0 / 0 | 82 | 12 | 27.4 | 3.5 | 1.5 | 2.64 | 2.30 / 36.8 | N | ||||||
EN5-20.0 | 20 | Nagler 5 (disc) | 2" | 6 / 4 | 82 | C | 12 | 27.4 | 2.1 | 1.3 | 2.1 | 0.15 | 1.04 / 16.6 | Y* | ||||
EN5-26.0 | 26 | Nagler 5 (disc) | 2" | 6 / 4 | 82 | 16 | 35 | 3 | 1.5 | 2.8 | -0.05 | 1.60 / 25.6 | Y | |||||
Prod. Code |
1FL (mm) |
Eyepiece Type |
Barrel (in.) |
2E / G | 3AF | 4G | 5ER (mm) |
Field Stop (mm) |
6Eyepiece Dimensions (in.) | Weight (lb / oz) |
Recommended | |||||||
A | B | C | D | E | 8F | Bino Vue | DIO- PTRX |
7Fone- Mate |
||||||||||
CSZ-0824 | 24-8 | Click Stop Zoom | 1¼" | 7 / 4 | 40-55 | 20-15 | 16.7-7.6 | 2.6 | 1 | 1.7 | 0.1 | 0.49 / 7.9 | Y | N | ||||
DCZ-2408 | 24-8 | Click Zoom DX-Ready(disc) | 1¼" | 7 / 4 | 40-55 | 20-15 | 16.7-7.6 | 2.6 | 1 | 1.7 | 0.1 | 0.49 / 7.9 | Y | Y | ||||
ENZ-0204 | 4-2 | Nagler Zoom (disc) | 1¼" | 5 / 3 | 50 | B | 10 | 3.3-1.7 | 0.9 | 1.6 | 1.7 | 0.25 | 0.36 / 5.7 | Y | N |