Pentax 40mm-R XW Eyepiece with SMC Coatings - 2" - 70538 Telescopes & Telescope Mounts Battery Power: 2AA-included

Battery Power: 2AA-included

Eyepiece Focal Length: 13mm

Eyepieces: (2) WF 10x-all glass

CEM40/CEM40EC* (early version with 20mm CW shaft)

Sensor Model: Sony IMX662

Pentax 40mm-R XW Eyepiece with SMC Coatings - 2" - 70538 Telescopes & Telescope Mounts Battery Power: 2AA-includedPentax 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 40mm R XW 2" Eyepiece The Pentax 40mm R XW eyepiece offers clear, comfortable viewing, with a 70 apparent angle of view and 20mm