Vintage Tele Vue 13mm Nagler Original Type 2"/1.25" Plossl 25" Tele Vue Barlow

25" Tele Vue Barlow

05") with included eyepiece Eye Relief 20mm (

With PF-80EDA Scopes: 21 to 63x

66") (46% of aperture diameter) Light Gathering Power (Compared to human eye) 843x Resolution (Rayleigh) 0

it has the telephone jack instead

Vintage Tele Vue 13mm Nagler Original Type 2"/1.25" Plossl 25" Tele Vue BarlowThis is a used original 13mm TeleVue Nagler. This has long since been superseded by the new Type 6 Naglers. The type 6 complete description is below, and is not completely applicable to this particular eyepiece. If you're looking for the eyepiece that revolutionized widefield astronomy, look no further here it is. It is in excellent condition: the optics are clear, and the barrel is lightly marked near the top: see the photos. However, it does not