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SVBONY SV135 Telescope Zoom Eyepiece 7 to 21mm Bundle with 90 Degree Zenith Mirror Diagonal for Astronomical Visual Astrophotography

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$68.99

$ 27 .99 $27.99

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About this item

  • SV135 7 mm to 21mm adjustable focal length;SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces ;obtain higher magnification with short focal length;It could bring you a better observation experience in a comfortable situation with high-contrast imaging
  • 18mm - 16.3mm comfortable eye relief; especially for eyeglass wearers ;designed primarily for viewing landscapes and astronomical observations of lunar surfaces; planets; nebulae; clusters; and diffuse nebulae
  • Fully multi-coated Premium eyepiece;The true fully multi-coated Premium eyepiece with superior edge and center sharpness than normal PLOSSL eyepieces; 6-Element 4-Group premium optical design for superior optical performance
  • Standard 1.25'' diameter; fit for 1.25'' eyepiece and telescope focuser;Note;not suitable for Newtonians
  • Wide 90 degree angle;you can view correct image from refractor telescope stand and just look down with a comfortable angle


Product Description

zoom eyepiece

SV135 Telescope Eyepiece would give you more flexibility with out changing eyepieces.

To zoom in you just need to turn the rubber ring on the eyepiece to adjust to another millimeter instead of changing eyepieces.

SV205 Camera

Standard 1.25" eyepiece

Standard 1.25" eyepiece;Equipped with a precision-made standard 1.25-inch lens barrel that is compatible with any telescope that accepts 1.25-inch eyepieces; Rubber eye guard for comfortable viewing and blocking stray light

SV205 Camera

M28.5*0.6 filter thread

SV135 zoom eyepiece has M28.5*0.6 threads on the bottom very convenient for connecting filter;Works great for photography

SV135 zoom eyepiece

Specification of SV135 7-21mm 1.25 inch Eyepiece:

Focal length: 7-21mm
Lens structure: 6PCS / 4group
Interpupillary Dist.: 15mm
Field of view: 57~40°
Rubber Eye Guard: Yes
Thread Size: M28.5*0.6
Net Weight: 133g / 4.67oz
Meterial: Metal
Zoon Type: Linear
Eye Relief: 18mm - 16.3mm
Barrel Size: 1.25"
Coatings: Fully Multi-Coated-Green
Overall length: 93mm

Specification of 1.25" Mirrors Diagonal zenith mirror:

Connection eyepiece: 1.25"
Connecting telescopic: 1.25" & 2" (2" need adapter)
Clamp: 1 screw
Reflectivity: 90%
Housing material: Metal
Suitable for: Refractors
Net Weight: 142g / 5.0oz
Not suitable for: Not suitable for: