| Multi-Coated Zoom Eyepieces |
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[ click to enlarge ] |
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Eyepiece | Multi-Coated Zoom Eyepiece 7mm - 21mm 1.25" OD |
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Rs 5700 + 18% GST |
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- FC-coated -ZOOM Eyepiece 7mm-21mm
- The finest zoom eyepiece....... fully multi-coated optics......... High-eye relief
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| Now a casual telescope user can enjoy the benefits of zoom eyepiece from 21mm to 7mm or to any eyepiece focal length in between. Internal zoom lenses move on smooth and precisely machined parts. Performance is fully constant with the finest fixed -focal length eyepieces. A whole range of imported eyepiece in this one zoom eyepiece combined. Actual magnification range will depend on the focal length of your telescope. It works equally well for astronomical or terrestrial viewing. . Rubber traction ring ensures a good grip. The 1.25" barrel is threaded for filters and rubber eyecup are standard |
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- Zoom eyepieces lets you change magnification power without changing eyepieces
- A twist of Explorer II's housing changes focal length from 21mm to 7mm
- Four-lens eyepiece has fully coated optics and exceptionally long eye relief
- The 1.25" barrel is threaded for filters
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| TELESCOPE SPECIFICATION |
| Design |
MULTI-COATED ZOOM |
| Eyepiece focal length |
21.0mm - 7.0 mm |
| Barrel size |
1.25in. |
| Apparent field of view |
30.0-deg - 43 -deg |
| Eye relief |
33.0mm |
| Coatings |
Fully coated |
| Number of elements |
4 |
| Filter threads |
Yes |
| Parfocal |
No |
| Barrel security recess |
No |
| Blackened lens edges |
Yes |
| Rubber eyeguards |
No |
| Body material |
Aluminum |
| Weight (oz.) |
5.67 |
| Dimensions |
3.2 in. x 1.6 in. |
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