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William Optics Zenithstar 73 III APO - 73mm F5.9 Doublet Apo Refractor - Gold
- William Optics Z73 f/5.9 Refractor uses FPL-53 glass for sharp views.
- Built-in Bahtinov Mask ensures you have perfect focus.
- V-Style dovetail bar included.
- V-Style dovetail plate/handle included.
- 2.5" Rack & Pinion focuser.
- Includes a telescope carrying case.
- Gold version.
Step into a world of precision astronomy with the William Optics ZenithStar 73 APO III, the ultimate tool for avid sky watchers and astrophotographers. This advanced apochromatic refractor is engineered with a premium air-spaced doublet lens that incorporates Ohara FPL-53 ED glass to produce exceptionally clear and vivid images with minimal chromatic aberration.
Its compact and robust design, highlighted by a beautifully machined aluminum body and an elegantly anodized finish available in red and gold, ensures both durability and portability. Ideal for capturing stunning wide-field astronomical images and for portable visual astronomy, the ZenithStar 73 combines superior optical performance with ease of use. It includes high-quality accessories such as a CNC machined carry handle, a precision Bahtinov mask for easy focusing, and a protective soft case for travel.
Perfect for both beginners and seasoned astronomers, the William Optics ZenithStar 73 APO III stands out as a versatile and reliable choice for exploring the cosmos.
The William Optics ZenithStar 73 mm Apochromatic Doublet (version II) features Ohara FPL-53 glass improved upon from previous models. This package includes a Vixen-style dovetail bar, 2.5-inch Rack & Pinion focuser, and a built-in Bahtinov mask cover to help focus your telescope.
specifications
Aperture | 73 mm (2.75") |
Focal Length | 430 mm |
Focal Ratio | f/5.9 |
Glas Type | FPL 53 |
Optical Type | Doublet |
Tube Length | 310mm |
Tube Weight | 2.5kg (5.5lb) |
Weight | 5.5 lbs. |
Included items
- Z73 APO (version III)
- Vixen-style Dovetail
- Bahtinov Mask Included
- Telescope Case Included
- Telescope System
- Optical Tube Only (OTA)
- Telescope type
- Apochromatic Refractor
- Telescope Series
- ZenithStar
- Telescope Lens type
- Doublet (2 lenses)
- Telescope Aperture (mm)
- 73mm
- Telescope Focal Length (mm)
- 430mm
- Telescope Focal Ratio (F)
- F5.9
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William Optics Zenithstar 61 II APO - 61mm F5.9 Doublet Refracting Telescope - Red
William Optics Zenithstar 61 II APO - 61mm F5.9 Doublet Refracting Telescope - Gold
William Optics Zenithstar 61 II APO - 61mm F5.9 Doublet Refracting Telescope - Space Grey
William Optics Zenithstar 73 III APO - 73mm F5.9 Doublet Apo Refractor - Red
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