William Optics Zenithstar ZS 61 II APO (dublet APO FPL53 61 mm f/5,9, 2" R&P, gold, SKU: A-Z61IIGD)
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Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.

William Optics Zenithstar ZS 61 II APO (dublet APO FPL53 61 mm f/5,9, 2" R&P, gold, SKU: A-Z61IIGD)

Presenting the William Optics ZS61 ED refractor, an optical masterpiece that uses a synthetically made doublet of fluorite to provide top-tier functionality equal to pricier APO triplets. This advanced telescope provides superb performance at a more accessible price. The heart of this device houses every passionate astronomer's dream - a two-element lens featuring FPL53 glass noted for its high index of refraction and low dispersion properties. It has a 61mm diameter and a speedy focal ratio of f/5.9, facilitating vivid, clear imaging of celestial bodies. This ZS61 ED refractor is more than just a piece of equipment; it's a state-of-the-art contraption that makes the cosmos feel within reach.
715.97 $
Tax included

582.09 $ net price (non-EU countries)

Anatolii Livashevskyi
Product Manager
Українська / Polski
+48721808900
+48721808900
Telegram +48721808900
[email protected]

Description

The William Optics ZS61 ED refractor is an exceptional optical instrument that utilizes a synthetic fluorite doublet. This type of refractor delivers performance on par with expensive APO triplets, but at a considerably lower price point. At the core of this impressive telescope lies a two-element lens with a diameter of 61 mm, featuring FPL53 glass and a fast focal ratio of f/5.9.

One notable feature of the ZS61 is its high-quality 2-inch Rack and Pinion focuser with a 10:1 microfocusing ratio. This smooth and stable focuser provides precise control, ensuring reliable and accurate adjustments during observations and astrophotography sessions.

Designed with versatility in mind, the ZS61 refractor is equipped with a retractable dew shield and a Vixen-style mounting foot. The superb fit and finish, which have become synonymous with William Optics products, further enhance the overall quality of this telescope.

The ZS61 refractor is an excellent choice for astrophotography enthusiasts, particularly for wide-field imaging. Additionally, it serves admirably as an observation telescope and for digiscoping purposes.

Technical Specifications:

  • Optical Design: Apo FPL53 doublet
  • Aperture: 61 mm
  • Focal Ratio: f/5.9
  • Focal Length: 360 mm
  • Retractable Dew Shield: Included
  • Dovetail Rail: Included
  • Finder Holder: Included, also functions as a carrying handle
  • Bahtinov Mask: Included
  • Soft Bag with Padded Inserts: Included
  • Focuser: 2" Rack and Pinion with 1.25" adapter, 10:1 microfocuser
  • Recommended Flattener: FLAT 61A, FLAT61 R
  • Compatible Sensor Size: 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

Guarantee:

The ZS61 refractor comes with a comprehensive 2-year warranty, providing peace of mind for your astronomical adventures.

Data sheet

6XU19VV0X2

Official permits of the Ministry of Development and Technology

Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.