SkyWatcher HyperFlex-7E 7.2-21.5mm High-Performance Zoom Eyepiece

The SkyWatcher HyperFlex-7E is a versatile, high-performance zoom eyepiece that combines the flexibility of a full set of quality eyepieces into one compact, user-friendly design. With a continuous focal range of 7.2mm to 21.5mm, this eyepiece provides clear, distortion-free views and a wide, flat field of view, ranging from 60 to 40 depending on the focal length. Ideal for both planetary and deep-sky observations, this zoom eyepiece offers crisp and vivid images across the full range.

Key Features & Benefits

• All-in-One Focal Range: With a continuous zoom range from 7.2mm to 21.5mm, this eyepiece eliminates the need for multiple eyepieces, offering convenience and flexibility in a single piece.
• High-Quality Optics: Constructed with 7 lens elements in 4 groups, fully broadband multi-coated for maximum light transmission and clarity. Blackened lens edges and internal baffling reduce glare and enhance contrast.
• Engraved Focal Length Markers: For quick reference, focal lengths of 7.2mm, 10mm, 13.5mm, and 21.5mm are engraved on the barrel.
• Comfortable Viewing: Generous 15mm eye relief and a large eye-lens element provide a comfortable viewing experience, further enhanced by a twist-up rubber eyecup.
• Premium Build: Crafted from high-gloss anodized aluminium with knurled rubber grips for a secure hold. Threaded to accept standard 1.25 filters, adding to its versatility.
• Parfocal Design: Minimal to no refocusing is required when zooming through the focal range, making observations smooth and uninterrupted.

Specifications

• Focal Length Range: 7.2mm to 21.5mm
• Apparent Field of View: 60 at 7.2mm, narrowing to 40 at 21.5mm
• Eye Relief: 15mm
• Lens Elements: 7 elements in 4 groups
• Weight: Approx. 190g
• Filter Compatibility: Accepts standard 1.25″ filters

The SkyWatcher HyperFlex-7E Zoom Eyepiece is a powerful, high-quality tool, ideal for those who seek flexibility and performance without the need to switch between multiple eyepieces. With its smooth zoom action and superb optical quality, its a must-have accessory for any astronomer looking to enhance their observational experience.