Professional product title: "High-Quality 1.25" FMC Zoom Telescope Eyepiece with Adjustable Focal Length (7-21mm/8-24mm/10-30mm) - Ideal Accessory for Astronomic Telescopes"
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Professional product title: "High-Quality 1.25" FMC Zoom Telescope Eyepiece with Adjustable Focal Length (7-21mm/8-24mm/10-30mm) - Ideal Accessory for Astronomic Telescopes"

$69.62
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▶7-21mm Zoom eyepiece Feature: 1.Fully multi-coated Premium eyepiece zooms to any focal length between 7 mm and 21mm2.Zoom from low to high power in an instant with this versatile eyepiece3.Compatible with any telescope that accepts 1.25” eyepieces4.6 -Element 4-Group premium optical design5.Comfortable 18mm - 16.3mm eye relief more comfortable, especially for eyeglass wearers Technical parameters: 1.Brand: SVBONY2.Model: SV1353.Focal length: 7-21mm4.Zoon Type: Linear5.Lens structure: 6PCS / 4group6.Eye Relief: 18mm - 16.3mm7.Interpupillary Dist.:15mm8.Barrel Size: 1.25" 9.Field of view: 57~40° 10.Coatings: Fully Multi-Coated-Green 11.Rubber Eye Guard: Yes 12.Meterial: Metal13.Color: Black14.Thread Size: M28.5*0.615.Overall length: 93mmNet Weight: 133g / 4.67oz Package Include: 1XSVBONY SV135 7-21mm 1.25 inch Eyepiece1XLens Covers (Objective and Eyepiece)1XLens Cleaning Cloth ▶8mm-24mm zoom eyepiece Features: 1.SVBONY Super-wide Angle 1.25" 8mm-24mm zoom eyepiece.2.The zoom

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