SKU: 317316415

Omegon Flatfield ED eyepiece 1.25" 5 Focal length options

Sale price$80.10 Regular price$89.00
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Description

Omegon Flatfield ED eyepiece 1.25" 5 Focal length optionsDescription At a glance: flat field optics, giving a flat field of view 5 focal length options ED element for high contrast and image colour purity wide angle eyepiece with 60 field of view good eye relief multi coating on all lens surfaces 16mm eye relief, suitable for spectacle wearers rigid, screw out eye cups 1. 25 barrel with 1. 25 filter thread Most eyepieces suffer from image distortion at the edge of the field of view. If you move the object

Description

At a glance:

  • flat field optics, giving a flat field of view
  • 5 focal length options
  • ED element for high contrast and image colour purity
  • wide angle eyepiece with 60° field of view
  • good eye relief
  • multi-coating on all lens surfaces
  • 16mm eye relief, suitable for spectacle wearers
  • rigid, screw-out eye cups
  • 1.25“ barrel with 1.25“ filter thread

Most eyepieces suffer from image distortion at the edge of the field of view. If you move the object observed into the outer part of the field of view it becomes distorted. Omegon ED flat field eyepieces counteract this effect. Who does not want a really true to life and undistorted image?
You can get really close to this ideal with flat field eyepieces. These flat field eyepieces have an ED lens element included which gives particularly good colour purity. Their optical construction also means that these eyepieces offer extremely high contrast and sharpness, way above the usual level.

Wide field of view

With a 60° apparent field of view, these eyepieces belong to the wide angle eyepiece category. Classic 'tunnel vision' eyepieces stay more and more in the drawer. Compared to the familiar Ploessl eyepieces, ED flat field eyepieces give a field of view which is around 20% wider.
The body of the eyepiece combines up to six lens elements, producing a really high quality eyepiece. All glass/air surfaces are multi-coated, preventing unwanted reflections and guaranteeing high brilliance and transparency. You can therefore expect extraordinarily good contrast when observing planets and DSOs through these eyepieces.

Between eye and eyepiece

The eye relief with these eyepieces means they are particularly pleasant to use. There is no shadowing, even if you are not looking directly along the optical axis. These eyepieces are available in focal lengths of 5, 8, 12, 15 and 25mm. All these focal lengths have large ocular diameter of 21mm, meaning relaxed observing is possible even at high magnifications. Omegon ED flat field eyepieces have a rigid screw-out eyecup to block scattered light. The 16mm of eye relief means these eyepieces are also suitable for spectacle wearers, as a rule allowing them to see the entire field of view. The eyepieces can be used with most telescopes without problem. Even with Newtonian telescopes with a fast aperture ratio of f/5, the edge of the field of view has good edge definition.

    Specifications

    Capacity

    Focal length (mm)  5, 8, 12, 15, 25mm
    Connection (to the telescope)  1,25" 
    Apparent field of view (°)  60
    Eye relief (mm)  16
    Coating of optical system  multiple

    Special features

    Adjustable eyepiece cup  yes
    Filter thread  yes
    inert gas charge no

    General

    Series Flatfield ED
    Type Eyepiece 
    Type of build ED eyepiece 
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 317316415

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