William Optics ZenithStar 61II Doublet Refracting Telescope - Red

The William Optics ZenithStar 61II is a compact doublet refractor designed for serious wide-field astrophotography in a travel-sized format. Engineered with FPL-53 synthetic fluorite glass, it delivers outstanding true-to-color light transmission with minimal chromatic aberration. Small in size yet powerful in capability, this telescope is ideal for astrophotographers who want portability without sacrificing precision.

• Perfect for imaging-focused astronomers seeking a lightweight yet optically advanced refractor
• FPL-53 glass ensures high color accuracy and contrast with reduced chromatic aberration
• 61 mm aperture and 360 mm focal length make it ideal for wide-field deep-sky astrophotography
• Compatible with full-frame sensors when paired with a matching field flattener
• 50.8 mm (2-inch) rack and pinion focuser with dual-speed 10:1 fine focus control
• 75 mm focuser travel accommodates a range of accessories and cameras
• Portable OTA weighs only 3.2 lbs and retracts to just 230 mm for easy travel and storage
• Includes a patented Bahtinov mask integrated into the lens cap for precise focus
• Vibrant red anodized aluminum construction with premium finish and CNC machining

This OTA offers an accessible entry into high-quality astrophotography with features usually found in much larger systems. Its elegant design and powerful optics make it a reliable companion for both mobile field setups and fixed imaging rigs.

• William Optics ZenithStar 61 f/5.9 Doublet Refractor OTA
• Integrated Bahtinov Mask Lens Cap
• 50.8 mm Rack and Pinion Focuser (Dual-Speed, 75 mm Travel)
• CNC Machined Mounting Ring
• CAT Handle Bar
• 210 mm Dovetail Plate
• Soft Carry Case