Pentax 30mm-R XW Eyepiece with SMC Coatings - 2" - 70537 T-Rings 2 mm (8 in) Focal

2 mm (8 in) Focal Length 2032 mm (80 in) Focal Ratio 10 Focal Length of Eyepiece 1 (mm) 40 mm (1

No support for lens corrections such as peripheral shading

and safe from snags

Observing with the 24 mm Ultima Edge eyepiece is comfortable for both eyeglass wearers and non-eyeglass wearers

The EMD coated optics used in this Explore Scientific 52° 20 mm Waterproof Eyepiece reduce internal reflections and provide a flat field image with high contrast

Pentax 30mm-R XW Eyepiece with SMC Coatings - 2" - 70537 T-Rings 2 mm (8 in) FocalPentax XW Eyepiece Series Featuring functional, practical focal lengths, the Pentax XW weatherproof eyepiece series provides a comprehensive line up of magnifications that accommodates all types of applications, from low magnification viewing of deep sky objects to high magnification observations of planets. About the Pentax 30mm R XW 2" Eyepiece The Pentax 30mm R XW eyepiece offers clear, comfortable viewing, with a 70 apparent angle of view and 20mm