7-21 zoom eyepiece for Telescopes
Product Code : 7-21mm
Product Condition : New
₹6200 ₹5580 10% OFF
COD (Cash on delivery) not available for this product.
Product Description
• A simple twist of the zoom eyepiece housing changes the focal length from 21mm to 7mm, providing a variety of viewing magnification powers • • The eyepiece consists of six lens elements, which are fully multi-coated with anti-reflection coatings for bright and clear views, rich in contrast • The 1.25" barrel is threaded for use with eyepiece filters.
Specifications
- Eyepiece focal length21.0mm - 7.0mm
- Barrel size1.25"
- Apparent field of view40.0° - 57.0°
- CoatingsFully multi-coated
- Number of elements6
- Filter threadsYes
- ParfocalNo
- Field stop diameter16.0mm
- Barrel security recessYes
- Rubber eyeguardsYes
- Body materialAluminum
- CaseNo
- Dimensions3.7 in. x 1.7 in.
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