Pentax 7mm XW Eyepiece with SMC Coatings - 1.25" - 70513 Telescope Packages 58") Outside diameter: 72 mm

58") Outside diameter: 72 mm (2

10 mm Eye Relief

Extra precautions taken to keep your telescope stable will help you achieve better results

Due to the waterproof design and the argon gas back-fill

Pentax 7mm XW Eyepiece with SMC Coatings - 1.25" - 70513 Telescope Packages 58") Outside diameter: 72 mmPentax 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 7mm XW 1. 25" Eyepiece The Pentax 7mm XW eyepiece offers clear, comfortable viewing, with a 70 apparent angle of view and 20mm