Pentax 16.5mm XW Eyepiece with SMC Coatings - 2" - 70540 type-binocular-viewers-and-accessories 5" HEX focuser Optical Diameter:

5" HEX focuser Optical Diameter: 8" Eyepiece (Included): 1

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The camera also accepts 1

Pentax 16.5mm XW Eyepiece with SMC Coatings - 2" - 70540 type-binocular-viewers-and-accessories 5" HEX focuser Optical Diameter:Pentax 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 16. 5mm XW 2" Eyepiece The Pentax 16. 5mm XW eyepiece offers clear, comfortable viewing, with a large 85 apparent angle of view