TeleVue Nagler 17.0mm Type 4 Eyepiece EN4-17.0
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TeleVue Nagler 17.0mm Type 4 Eyepiece EN4-17.0
Focal Length 17mm
of Lens Elements 7
Apparent Field 82
Eye Relief 17mm
Field Stop Diameter 243mm
TeleVue Nagler 17.0mm Type 4 Eyepiece EN4-17.0
Focal Length 17mm
of Lens Elements 7
Apparent Field 82
Eye Relief 17mm
Field Stop Diameter 243mm