Pentax 16.5mm XW Eyepiece with SMC Coatings - 2" - 70540 type-binocular-viewers-and-accessories refer to footnote number [x]

refer to footnote number [x] of Sony's A7 Mark III press release for limitations

The camera also accepts 1

The Celestron Hummingbird (Zoom eyepiece) Micro Spotting Scope is the world’s first “micro” sized spotting scope which is convenient for hikers

Cable Management: Designed for the serious astro-imager

Pentax 16.5mm XW Eyepiece with SMC Coatings - 2" - 70540 type-binocular-viewers-and-accessories refer to footnote number [x]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