Feature
●【Standard Size】Standard fitting diameter of 1.25 inches (31.7 mm). Can be used with any astronomical telescope with a 1.25" focus
●【Zoom Focal Length】Adjustable focal length from 7mm to 21mm. 7-21mm zoom eyepiece equivalent to multiple eyepieces, short focal length provides high magnification High contrast imaging can bring you a good viewing experience. 【Zoom Focal Length】Adjustable focal length from 7mm to 21mm. 7-21mm zoom eyepiece equivalent to multiple eyepieces, short focal length provides high magnification High contrast imaging can bring you a good viewing experience
●Excellent optical quality: High-index rhythm transparent surface with FMC multi-layer membrane coating is built into the rhythm permeability surface to minimize chromatic aberration, allowing you to achieve bright, natural vision
●Applicable scenes: Not only can you observe the moon, but it is also perfect for medium sized star clusters and wide range of cloudy nebulas and deep sky observations. 16.3mm to 18mm zoom eye relief provides a comfortable visual experience even after long time observation
●(Safe to Use) Our products are sold in 11 countries and have been widely recognized. 12-month worry-free warranty, if the product is defective or damaged, please feel free to contact us. We will do our best to solve the warranty service
Description
The SVBONY SV135 is a good eyepiece collection for beginners.Use this eyepiece to enjoy astronomy.
Specifications:
Focal Length: 0.3 - 0.8 inches (7 - 2
Zoom Type: Linear
Lens group: 6 pieces / 4 groups
Eye relief: 18mm-16.3mm
Single Diameter: 0.6 inches (15 mm)
Barrel Size: 1.25"
Field of view: 57 - 40°
Coating: FMC Green Coat
Rubber Eye Guard:Yes
Material: Metal
Thread Size: M28.5 * 0.6
Total length: 3.7 inches (93 mm)
Weight: 4.67 oz (133 g).
Note: This zoom eyepiece is only for 1.25" astronomical telescopes.Not compatible with field scopes
Package Includes:
1 x SVBONY SV135 7-21mm 1.25" Eyepiece
1 x Lens cover (objective and eyepiece)
1 x Lens Cleaning Cloth
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M28.5 * 0.6 Filter ThreadThe SV135 zoom eyepiece has M28.5 * 0.6 thread, which is very convenient to connect the filter, suitable for photography. |
18mm-16.3mm long eye reliefIt provides a relaxing and enjoyable viewing experience even when worn with glasses for a more comfortable viewing experience. |
High Quality Optical Design6 x 4 group optical lenses with FMC ultra high quality standard coating; reduce light loss and ensure up to 97% of light transmission |
7mm-21mm focal length
About Zoom ActionIt is hard enough to prevent the focal length from accidentally shifting.But it is smooth enough to rotate with one hand
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| SVBONY SV170 Zoom Eyepiece | SVBONY SV170 Zoom Eyepiece | |
| Customer Reviews |
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| Price | ¥6,180 | ¥8,398 |
| Adjustable focal length | 10mm-30mm | 8mm-24mm |
| Zoom Type | Alignment | Alignment |
| Lens Group | 5 pieces / 3 pairs | 7 pieces / 4 pairs |
| Barrel size | 1.25" | 1.25" |
| Field of View | 33°-51° | 38°-56° |
| Coating | FMC Green Coat | FMC Green Coat |
| Rubber eye guard | ✓ | ✓ |
| Eye Relief | 17-18.5mm | 18mm-19.5mm |