The SVBONY SV245 Zoom 8-16mm 63° Eyepiece (SKU: W9192A) is an advanced zoom eyepiece designed for demanding planetary and lunar observations. It offers a wide field of view, sharpness, and realistic color rendition thanks to an 8-lens construction, including aspherical elements and full multi-layer coating. The ClickStop system and parfocal design provide comfort and precision when changing the focal length in the 8-16mm range.

Key Features

• focal range: 8–16 mm
• wide field of view: 63° regardless of focal length
• parfocal design – no need to refocus
• ClickStop mechanism – noticeable step-by-step focal length positions
• optics made of 8 lenses in 5 groups, with aspherical elements
• fully multi-layer anti-reflective coatings
• blackened lens edges for better contrast
• exit pupil distance 17–18 mm – comfort also for people wearing glasses
• dual interface: 1.25" and 2" sleeves
• compatibility with astigmatism correctors (Dioptrix mount)

Set components

• SVBONY SV245 zoom eyepiece
• 1.25" dust cover
• 2" dust cover

Technical parameters

• focal length: 8–16 mm
• field of view (AFOV): 63°
• number of lenses/groups: 8/5
• exit pupil distance: 18–17 mm
• Outer diameter: 60 mm
• length: 129 mm
• weight: 486 g
• filter threads: M28.5 × 0.6 and M48 × 0.75
• sleeve material: stainless steel (1.25"), aluminum alloy (2")