Pentax 23mm XW Eyepiece with SMC Coatings - 2" - 70541 type-focusing The M42 connection is removable

The M42 connection is removable and can be replaced with an optional M48 threaded adapter for full frame cameras

there are also symbols for galaxies

practical focal lengths

A customizable way to reduce brightness and glare on the brightest celestial objects like the Moon

Pentax 23mm XW Eyepiece with SMC Coatings - 2" - 70541 type-focusing The M42 connection is removablePentax 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 23mm XW 2" Eyepiece The Pentax 23mm XW eyepiece offers clear, comfortable viewing, with a large 85 apparent angle of view and