William Optics Zenithstar ZS 61 II APO (dublet APO FPL53 61 mm f/5,9, 2" R&P, Z61, red)

The William Optics ZS61 ED refractor is a remarkable optical instrument that utilizes a synthetic fluorite doublet. Offering comparable performance to expensive APO triplets but at a significantly lower price, this refractor is a game-changer in the world of astrophotography.

At the core of the ZS61 is a high-quality two-element lens with a diameter of 61 mm, incorporating FPL53 glass and boasting a fast focal ratio of f/5.9. This combination ensures exceptional image quality and sharpness, making it an ideal choice for capturing wide-field astrophotography shots and serving as a versatile observation telescope or digiscoping tool.

The telescope's tube is equipped with an excellent 2-inch Rack and Pinion focuser, featuring a 10:1 microfocusing ratio. This smooth and stable focuser instills confidence in users, enabling precise adjustments and facilitating the capture of stunning celestial images.

Designed with convenience in mind, the ZS61 comes with a retractable dew shield and a Vixen-style mounting foot. The telescope's impeccable fit and finish have long been synonymous with William Optics products, guaranteeing a premium experience for astronomers and astrophotographers alike.

Technical Specifications:

• Optical Construction: Apo FPL53 doublet
• Aperture: 61 mm
• Focal Ratio: f/5.9
• Focal Length: 360 mm
• Retractable Dew Shield: Included
• Dovetail Rail: Included
• Finder Socket: Included, along with a carrying handle
• Bahtinov Mask: Included
• Soft Bag with Padded Interior: Included
• Focuser: 2" Rack and Pinion with 1.25" adapter and 10:1 microfocusing
• Recommended Flattener: FLAT 61A, FLAT61 R
• Compatible Sensor Sizes: APS-C, Full Frame (provides a 43 mm diameter image circle)
• Length: 245 - 315 mm (depending on the dew shield position)
• Weight: 1.45 kg

Warranty:

The William Optics ZS61 ED Refractor comes with a comprehensive 2-year warranty, ensuring peace of mind and customer satisfaction.

In summary, the William Optics ZS61 ED refractor presents a compelling option for both amateur and professional astrophotographers seeking exceptional performance without breaking the bank. With its impressive optical design, robust construction, and inclusive accessories, this telescope is a valuable tool for capturing stunning celestial imagery. Invest in the ZS61 ED and embark on a thrilling journey through the wonders of the universe.