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SVBONY SV215 1.25inch 3-8mm Planetary Zoom Eyepiece for Planetary Observation For Sale

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SVBONY SV215 1.25inch 3-8mm Planetary Zoom Eyepiece for Planetary Observation:
$137.99

The zoom eyepiece is designed to provide the best balance of contrast, comfortable eye relief, and resolution for the critical planetary observer, particularly for ultra-premium refractors with short focal length.

• Constant Field of View: 56°

  The parfocal zoom eyepiece ensures that there is no need to break away form your observing to change the focal length and you don’t have to refocus after changing the focal length, which brings great convenience for visual astronomy. The generous 56° FOV and smooth zoom action with click-stops at 3, 4, 5, 6, 7 and 8mm are for quick changes to precise preset magnifications.

• Constant Eye Relief: 10mm

  he parfocal eyepiece features a relatively constant 10mm eye relief through the entire zoom range and it is available to get a higher magnification without eye relief sacrificing, comfortable for observing.

• FMC Optics & Lens Edges Blackened

  Fully multi-coated and the high index 6-elements/ 4 groups optics ensure high light transmission, and the blackened edge of every glass reduces stray light for excellent and high-contrast images.

• 1.25” Interface & M28.5*0.6 Thread

  The eyepiece is threaded for a filter (standard M28*0.6 female thread) and the barrel interface diameter is 1.25” for connecting to a telescope for visual celestial astronomy, like moon, solar and planetary at a broad range of focal lengths.

• For observing with glasses or not and the eyecup is detachable ，Smooth zoom action with click-stops at 3, 4, 5, 6,7 and 8mm for quick changes to precise preset magnifications，for a secure fit in the eyepiece holder

• The zoom eyepiece is designed to provide the best balance of contrast, comfortable eye relief, and resolution for the critical planetary observer, particularly for ultra-premium refractors with short focal length.

This is the front focus diagram of the SV215 eyepiece. If your telescope cannot focus with this eyepiece, you can solve the problem by increasing or shortening the focusing thread (provided the telescope has enough focusing threads); In addition, SV215 does not support any brand of Spotting Scope，including all Spotting Scope series under SVBONY). about svbony

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