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SVBONY SV135 1.25inch 7-21mm zoom telescope eyepiece 6-Elem 4-Group Optical FMC For Sale


SVBONY SV135 1.25inch 7-21mm zoom telescope eyepiece 6-Elem 4-Group Optical FMC



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SVBONY SV135 1.25inch 7-21mm zoom telescope eyepiece 6-Elem 4-Group Optical FMC:
$51.99

Features:Fully multi-coated Premium eyepiece zooms to any focal length between 7 mm and 21mmZoom from low to high power in an instant with this versatile eyepieceCompatible with any telescope that accepts 1.25î eyepieces6 -Element 4-Group premium optical designComfortable 18mm - 16.3mm eye relief more comfortable, especially for eyeglass wearersPackage IncludesSVBONY SV135 7-21mm 1.25 inch EyepieceLens Covers (Objective and Eyepiece)Lens Cleaning Cloth Features of the Zoom Eyepiece :

Features:

    • Fully multi-coated Premium eyepiece zooms to any focal length between 7 mm and 21mm
    • Zoom from low to high power in an instant with this versatile eyepiece
    • Compatible with any telescope that accepts 1.25î eyepieces
    • 6 -Element 4-Group premium optical design
    • Comfortable 18mm - 16.3mm eye relief more comfortable, especially for eyeglass wearers

Package Includes

    • SVBONY SV135 7-21mm 1.25 inch Eyepiece
    • Lens Covers (Objective and Eyepiece)
    • Lens Cleaning Cloth
  • ModelSV135SV170SV171Focal length7-21mm10-30mm8-24mmEye Relief18mm - 16.3mm17-18.5mm18-19.5mmZoon TypeLinearLens structure6PCS / 4group5 -Elements/-3Groups7-Elements/4-GroupsInterpupillary Dist.15mmBarrel Size1.25"1.25"1.25"Field of view57° ~ 40°33°-51°38°-56°CoatingsFully Multi-Coated-GreenFully Multi-CoatedFully Multi-CoatedRubber Eye GuardYesBlackened Lens EdgesYesYesBarrel Safety RecessYesYesEyecups MeterialMetalMetalMetalEyecupsTwist-UpTwist-UpThread SizeM28.5*0.6M28.5 x 0.6M28.5 x 0.6
Moon+CPL+Five Color Filter Kit This SVBONY 1.25 inch filters include most popular color planetary and moon telescope eyepiece filters: 23A Bright Red 21 Orange 12 Yellow 56 Bright Green 82A Bright Blue Circular-Polarizing Filter and Moon Filter. These filters are vat-dyed for even color coating and then anti-reflection coated for maximum transmission. The eyepiece filter cells are made of anodized aluminum and are single-threaded.

Features:

    • SVBONY 1.25 inch 7pcs Telescope Filters set - 5 Color Filters Moon Filter and CPL Filter
    • High quality Aluminum alloy frame and Optical Glass, superb value for money
    • Color filters (Red, Blue, Green, and Orange & Yellow) highlight features on Mars, Jupiter, and Saturn
    • CPL Filter enhances the contrast of the moon and planets in photographic images
    • Moon Filter Enhance Lunar Planetary Views to Eliminating the Street Light Smog
    • Standard 1.25 inch Filter threads for 1.25" eyepieces and other accessories
    • Brand Name: SVBONY
    • Filter Type: Color Filter + Moon Filter + CPL Filter
    • Single Filter Net Weight: 6.1g
    • Interface Threads: M28.5*0.6
Package Includes:
    • SVBONY 1.25" Five Color Filter (Red, Blue, Green, Orange, Yellow)
    • SVBONY 1.25" CPL Filter
    • SVBONY 1.25" Moon Filter

NO.15/25/58/80A Color Filter Kit


Since planetary surface details and atmospheric phenomena reflect sunlight as contrasting colors, you can use color filters to accentuate subtle details on planets, comets, and the Moon by selectively increasing contrast between features and markings of different hues. Simply put: using various color filters makes planetary details easier to see.Features:
  • #15 Deep Yellow Planetary Filter: Boosts contrast of lunar features, accentuates red and orange features on Saturn, Jupiter, and Mars, reveals low-contrast cloud detail on Venus.
  • #25 Red Planetary Filter: Enhances Martian surface details in large telescopes, reveals cloud definition on Venus, accentuates bluish cloud regions on Jupiter and Saturn.
  • #58 Green Planetary Filter: Enhances contrast of blue and red structures on Jupiter (including Red Spot), melt lines around Martian polar ice caps, accentuates Saturn's cloud belts.
  • #80A Medium Blue Planetary Filter: Enhances details in Jupiter's belts and Red Spot, high clouds and polar caps on Mars, lunar surface details, Venus cloud features.
  1. Pls note:

    The filters of SVBONY are not designed for sun observation. Do not look at the sun with SVBONY filter. You would be blind if you fail to observe the warning

Package Includes
  • SVBONY 1.25 " NO.15 Color Filter
  • SVBONY 1.25 " NO.25 Color Filter
  • SVBONY 1.25 " NO.58 Color Filter
  • SVBONY 1.25 " NO.80A Color Filter
  • 4PCS Sturdy Plastic Case
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