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TeleVue Radian 18.0mm Eyepiece ERD-18 ERD-18.0
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Unfortunately TeleVue Radian 18.0mm Eyepiece ERD-18 is not listed by OpticsPlanet.
Product Info for TeleVue Radian 18.0mm Eyepiece ERD-18
TeleVue Radian 18 mm eyepieces ERD-18 preferred for small instruments and bino-viewers, and allows the convenience of being parfocal with other 1 1/4" TeleVue eyepieces. TeleVue Radian line have designed with extremely wide field, full field sharpness and comfortable long eye-relief for amateurs, who need eyeglasses.
Pupil Guide is unique development, that helps non-eyeglass wearers, especially novices, zero-in and stay centered on the exit pupil. The Pupil Guide is included with all Tele Vue Radian eyepieces and fits under the soft, fold-down rubber eyeguard.
Specifications for TeleVue Radian ERD-18.0 eyepieces ERD18:
| Focal Length:Â | Â 18mm | |
| Apparent Field of View: |  60° | |
| # of Elem.:Â | Â 6 | |
| Barrel Dia.:Â | Â 1 1/4" | |
| Eye-relief:Â | Â 20mm | |
| Weight:Â | Â 0.49 lb / 7.8 oz | |
| Field Stop diameter:Â | Â 18.3mm | |
| Works in Bino Vue:Â | Â Y | |
Features of TeleVue Radian ERD-18.0 eyepieces:
- Long eye-relief
Package Contents:
- TeleVue Radian ERD-18.0 eyepiece