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New from Televue the 4.7mm, 110 Degree Ethos Eyepiece. 4.7m ... Read more

New from Televue the 4.7mm, 110 Degree Ethos Eyepiece. 4.7mm Focal Lenght The Televue Ethos-SX has a 110 Degree Field of View. The Televue 4.7 Ethos has perfect center to edge sharpness. Equipped with a 2" and 1.25" barrel adapter the 4.7 ethos can be used in both formats. The 4.7 Ethos has an effective field stop diameter of 8.94mm. This ethos accepts dioptrx from Televue. Eye relief on the 4.7 Ethos Eyepiece is 15mm. Weight of the Ethos is 1.15 lbs. with the 1.25" adapter and 1.3 lbs. with the 2" adapter. The 4.7mm is a 1 1/4" format and is parfocal with the wide range of 1 1/4" Tele Vue eyepieces. Model: 4.7mm Ethos-SX 110 degree (Simulator eXperience) Apparent field: 110 degrees Focal length: 4.7mm Effective field stop diameter: 8.94mm Minimize

The 7-element, Nagler Type 6 design is based on the origina ... Read more

The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al Nagler has massaged more eye-relief, contrast, and true field of view into the shorter focal length Naglers, while maintaining the absolute sharpness of the originals. Eye-relief is 12mm on each model, and all are sized about the same as the original 7mm! Weight about 0.4 to 0.5 lbs. Available in 13mm, 11mm, 9mm, 7mm, 5mm, 3.5, and 2.5mm focal lengths. Specifications 1.25" Barrel 82 degree Apparent FOV 12mm Eye Relief Field Stop of 7 mm 7 Elements 0.5 LbsAll 1.25" only models are parfocal and excellent for binocular viewers. Minimize

Tele Vue Nagler 13mm Type 6 - 1.25" Eyepiece EN6-130 The 7- ... Read more

Tele Vue Nagler 13mm Type 6 - 1.25" Eyepiece EN6-130 The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al Nagler has massaged more eye-relief, contrast, and true field of view into the shorter focal length Naglers, while maintaining the absolute sharpness of the originals. Eye-relief is 12mm on each model, and all are sized about the same as the original 7mm! Weight about 0.4 to 0.5 lbs. Available in 13mm, 11mm, 9mm, 7mm, 5mm, 3.5, and 2.5mm focal lengths. Specifications 1.25" Barrel 82 degree Apparent FOV 12mm Eye Relief Field Stop of 17.6 mm 7 Elements 0.4 Weight Lbs All 1.25" only models are parfocal and excellent for binocular viewers. Minimize

The 7-element, Nagler Type 6 design is based on the origina ... Read more

The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al Nagler has massaged more eye-relief, contrast, and true field of view into the shorter focal length Naglers, while maintaining the absolute sharpness of the originals. Weight about 0.4 to 0.5 lbs. Available in 13mm, 11mm, 9mm, 7mm, 5mm, 3.5, and 2.5mm focal lengths. Specifications 1.25" Barrel 82 degree Apparent FOV 12mm Eye Relief Field Stop of 9.7 mm 7 Elements 0.5 Lbs All 1.25" only models are parfocal and excellent for binocular viewers. Minimize

The 7-element, Nagler Type 6 design is based on the origina ... Read more

The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al Nagler has massaged more eye-relief, contrast, and true field of view into the shorter focal length Naglers, while maintaining the absolute sharpness of the originals. Weight about 0.4 to 0.5 lbs. Available in 13mm, 11mm, 9mm, 7mm, 5mm, 3.5, and 2.5mm focal lengths. Specifications 1.25" Barrel 82 degree Apparent FOV 12mm Eye Relief Field Stop of 3.4 mm 7 Elements 0.5 Lbs All 1.25" only models are parfocal and excellent for binocular viewers. Minimize

SquareTrade AP6.0 Search: Close (X) Televue 2 inch Barrel E ... Read more

SquareTrade AP6.0 Search: Close (X) Televue 2 inch Barrel Extender Brand New in Original Packaging SKU: EBX2120_FO What's in the Box Product Description With certain eyepiece/telescope combinations, it may be necessary to add this Tele Vue Eyepiece Barrel Extension accessory to achieve necessary path length for proper focus or lack of interference.This eyepiece barrel extension threads on to a 2" eyepiece's filter threads, and can make some eyepieces parfocal with other eyepieces (the Nagler 12 Minimize