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Not Returnable
Please note that used items are not returnable.
Condition:
This is a used 40mm WO SWAN eyepiece with a 2" barrel in excellent, clean optical condition. It has no marks or scratches on the body and comes with both dust caps, in its original box.
Description:
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The William Optics SWAN Eyepiece series is a great value! With a 72° Field of View and Fully Multi Coated glass elements the SWAN Eyepiece delivers stunning views of the night sky! Eyepiece has a focal length of 40 mm. Learn more in the comprehensive video below!
- A 72° Super Wide Field 40 mm focal length eyepiece
- Chromatic aberration is virtually eliminated with the design of this eyepiece
- The SWAN 40 has fully multi coated optics for enhanced sharpness
- All internal edges are fully blackened for enhanced contrast while flaring and ghosting is eliminated on high contrast objects
- The William Optics SWAN 40 mm is Parfocal
- With 28 mm of eye relief, this eyepiece is comfortable to view through
- The William Optics SWAN has a beautiful fit and finish
- Threaded for 2" Filters
The SWAN 40 mm Eyepiece from William Optics will enhance the performance of your telescope without breaking the bank!
SpecificationsProduct specification SKU NumberWYO-E-SWA40 Model NumberE-SWA40 Standard or Speciality Eyepiece?Standard Eyepiece Barrel Size2" Eyepiece Focal Length (mm)40mm Eyepiece SeriesWilliam Optics Super Wide Angle Eye Relief28 mm Apparent Field of View72º Adjustable Eye Relief?No Waterproof?No Threaded for Filters?Yes, 2" Number of Eyepiece Lens Elements5 in 3 Groups Weight (ounces)20.1 oz - A 72° Super Wide Field 40 mm focal length eyepiece