William Optics
William Optics Pleiades 181
William Optics Pleiades 181
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Elevate your stargazing and astrophotography experience with the newly launched Pleiades 181 by William Optics, a masterpiece exclusively designed for imaging with medium format cameras. This state-of-the-art telescope boasts a substantial 181mm diameter and a 998mm focal length, encapsulated in a sleek, robust design with a 3.7” R&P focuser for precise control.
Highlights
High-Performance Optics
The Pleiades 181 features a seven-element, temperature-compensated lens system, ensuring minimal thermal distortion and a Strehl ratio minimum of 0.96 for sharp, clear images across a greater than 55mm image circle.
Designed for Medium Format Cameras
Engineered specifically for medium format imaging, the Pleiades 181 is versatile in accommodating a variety of cameras. It comes equipped with three adapters for cameras with 48mm, 54mm, and 68mm threads, ensuring seamless compatibility and expansive celestial scene capture with unmatched clarity and color accuracy. This makes it an ideal choice for serious astrophotographers.
Unique Cosmos Steering Wheel
A pioneering addition, the Cosmos Steering Wheel allows for effortless handling, rotating, and precise positioning of the telescope, enhancing both comfort and functional ease during prolonged observation sessions.
Durable and Portable
Despite its large aperture, the Pleiades 181 remains relatively portable with a weight of 33.07 lbs (OTA only) and 41.23 lbs fully equipped with ring, dovetail, and saddle. The retracted and extended lengths are 1231mm and 1496mm respectively, with a dew shield diameter of φ230mm.
Why Choose Pleiades 181?
Designed with the specific needs of advanced astrophotographers in mind, the Pleiades 181 is not just a telescope, but a dedicated imaging gateway to exploring the cosmos with exceptional detail and depth. Whether you are capturing distant galaxies or the intricate patterns of nebulae, the Pleiades 181 brings the universe closer to you with unparalleled precision.
Explore the heavens with precision and elegance with the new Pleiades 181 from William Optics, where innovation meets the art of celestial imaging.
- Lens Type
- 7-Element Astrograph
- Lens Elements
- Super ED Glass x3
- Focal Length
- 998 mm
- Diameter
- 181 mm
- Focal Ratio
- f/5.5
- Image Circle
- 55 mm
- Focuser
- 4.1” R&P Focuser Compatible with EAF
- Focuser Travel
- 43 mm
- Adapter Included
- Tilt Adjuster Rotator M68 , M54 , M48 Camera Adapters
- Optional Flattener
- No Flattener Required
- T-Mount Support
- Canon EF, RF Nikon F, Z Sony E Pentax K MFT (M4/3) FUJI X
- Camera Format
- Medium Format Full Frame APS-C M4/3
- Dovetail Type
- Losmandy
- Tube Length
- 1231 mm - 1496 mm
- OTA Weight
- 15 kg / 33.07 lbs
- Total Weight
- 18.7 kg / 41.23 lbs
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Yes. On top of the manufacturer's warranty, we also offer a Replacement Guarantee on all online orders. In the event that the product is defective or damaged during shipping, you will receive a replacement.
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We'll refund you 90% if you cancel before dispatch. Cancellations after dispatch are complicated. Take a look at the our Policy here
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We have strict return/refund policies as a company that deals with fragile products. Casual returns are not permitted. Items that are not damaged in transit or defective cannot be returned.So please take a moment to review our Refund Policy.
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