Lunt Solar Systems 7.2-21.5mm Flat-Field Zoom Eyepiece

Lunt Solar Systems 7.2-21.5mm Flat-Field Zoom Eyepiece

Lunt Solar Systems 7.2-21.5mm Flat-Field Zoom Eyepiece

B&H # LUZOOMEYEP MFR # LS7-21ZE
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Lunt Solar Systems 7.2-21.5mm Flat-Field Zoom Eyepiece

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Product Highlights

  • 7.2-21.5 Focal Length
  • 1.25" Diameter Barrel
  • 53-40° Apparent Field of View
  • 0.1% Anti-Reflection Coated Optics
  • Seven Lenses in Four Groups
  • Easy-Grip Zoom Collar
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SAFETY FIRST: Observing the Sun without the proper protection may result in serious personal injury, including permanent eye damage and blindness, and/or damage to equipment. Never point an optic at the sun without an approved solar filter on the front of the optic. For direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder, ensure your filter is ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder.

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  • 1Description

When you're out for a quick observation session or want to travel light, Lunt Solar System's 7.2-21.5mm Flat-Field Zoom Eyepiece gives you a wide choice of focal lengths in a single zoom design. A simple textured collar enables fast transition from a low-magnification focal length of 21.5mm to a high of 7.2mm. The flat-field design, seven lenses in four groups, removes the fuzziness and flared appearance that can often appear near the edges of conventional eyepieces to provide pin-sharp images across the entire 40-53° apparent field of view. The optics are multicoated with proprietary 0.1% anti-reflective coatings that reduce ghosting and glow, and aid in providing a darker background. The eyepiece fits into 1.25" focusers and accessories.

UPC: 814393024402
In the Box
Lunt Solar Systems 7.2-21.5mm Flat-Field Zoom Eyepiece
  • Limited Five-Year Warranty
  • Table of Contents
    • 1Description
    Focal Length 7.2 - 21.5 mm
    Barrel Diameter 1.25"
    Eye Relief 15 mm
    Apparent Field of View 53 - 40°
    Dimensions 3.2 x 1.9" / 8.2 x 4.7 cm
    Weight Not specified by manufacturer
    Packaging Info
    Package Weight 0.65 lb
    Box Dimensions (LxWxH) 4.8 x 3.3 x 2.9"
    7.2-21.5mm Flat-Field Zoom Eyepiece is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from High quality Very high quality, very sharp images, I like the zoom. I use it with Lunt 50mm and with Coronado 90mm, it is even better than Coronado's own supplied eyepieces that came with the solar telescope!
    Date published: 2016-05-10
    Rated 5 out of 5 by from Lunt zoom eyepiece - an excellent Great optics. sharp image, flat field, no distortion.
    Date published: 2016-03-08
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