SVBONY 90MM F/5.5 DOUBLET ACHROMATIC (SV48P)

The SVBONY SV48P is a 90mm air-spaced doublet achromatic refractor with a fast 500mm f/5.5 focal length, designed as a versatile wide-field instrument for grab-and-go observation. Its fully multi-coated optics, dual-speed 2-inch focuser and 360-degree rotatable focuser head make it well suited to both visual astronomy and entry-level imaging of the Moon, star fields and bright deep-sky objects.

Features

• Doublet achromatic objective: air-spaced 2-element design for bright, wide-field views.
• FMC coatings: fully multi-coated optics for improved light transmission and contrast.
• 2-inch dual-speed focuser: rack and pinion focuser with fine-focus control for precise focusing.
• 360-degree rotatable focuser: rotatable focuser head for convenient framing.
• Drawtube markings: millimeter markings on the focuser drawtube for repeatable focus positions.
• Finder bracket: finder scope bracket included.
• Dual-format eyepieces: 2-inch barrel with included 1.25-inch adapter.
• Dovetail mounting: 130mm dovetail plate for stable mounting.

Specifications

• Type: Refractor
• Objective design: Air-spaced doublet achromatic
• Coating: FMC (fully multi-coated)
• Aperture: 90mm
• Focal length: 500mm
• Focal ratio: f/5.5
• Eyepiece barrel: 2-inch (with 1.25-inch adapter)
• Focuser: 2-inch rack and pinion, dual-speed
• Drawtube markings: Yes
• Rotatable focuser: 360 degrees
• Finder bracket: Yes
• Mount type: Dovetail plate, 130mm
• Net weight: 2.73 kg
• Front cap size: 109mm, thread M103.5x1-6h