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Features of the Zoom Eyepiece :
Features:
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- Fully multi-coated Premium eyepiece zooms to any focal length between 7 mm and 21mm
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- Zoom from low to high power in an instant with this versatile eyepiece
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- Compatible with any telescope that accepts 1.25î eyepieces
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- 6 -Element 4-Group premium optical design
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- Comfortable 18mm - 16.3mm eye relief more comfortable, especially for eyeglass wearers
Package Includes
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- SVBONY SV135 7-21mm 1.25 inch Eyepiece
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- Lens Covers (Objective and Eyepiece)
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- Lens Cleaning Cloth
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Model SV135 SV170 SV171 Focal length 7-21mm 10-30mm 8-24mm Eye Relief 18mm - 16.3mm 17-18.5mm 18-19.5mm Zoon Type Linear Lens structure 6PCS / 4group 5 -Elements/-3Groups 7-Elements/4-Groups Interpupillary Dist. 15mm Barrel Size 1.25" 1.25" 1.25" Field of view 57° ~ 40° 33°-51° 38°-56° Coatings Fully Multi-Coated-Green Fully Multi-Coated Fully Multi-Coated Rubber Eye Guard Yes Blackened Lens Edges Yes Yes Barrel Safety Recess Yes Yes Eyecups Meterial Metal Metal Metal Eyecups Twist-Up Twist-Up Thread Size M28.5*0.6 M28.5 x 0.6 M28.5 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.
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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
