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Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workhorse for visual observers. If you love deep sky observing, eyepieces in this focal length range not only give healthy increases in magnification, but the contrast enhancement of giving a darker background sky can make all the difference of how galaxies and nebulae appear under suburban skies.
Comfort, Quality, Value. The Explore Scientific 52° LER Series mid-range focal length eyepieces are excellent flat-field multi-element oculars that can transform your visual astronomy experience. With an apparent field of view of 52 degrees, these eyepieces offer incredible value in a very nice eyepiece. Expect exceptional quality and value versus a comparably priced Plossl.
These eyepieces are the choice for observers wearing glasses - with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patented EMD"-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed - this makes sure you will be able to enjoy these eyepieces for many years to come.
SPECIFICATIONS
SCOPE OF DELIVERY
Comfort, Quality, Value. The Explore Scientific 52° LER Series mid-range focal length eyepieces are excellent flat-field multi-element oculars that can transform your visual astronomy experience. With an apparent field of view of 52 degrees, these eyepieces offer incredible value in a very nice eyepiece. Expect exceptional quality and value versus a comparably priced Plossl.
These eyepieces are the choice for observers wearing glasses - with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patented EMD"-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed - this makes sure you will be able to enjoy these eyepieces for many years to come.
SPECIFICATIONS
- Large eye distance, large field and great image sharpness
- Excellent viewing position for people with glasses
- Excellent field sharpness even with fast optics
- 52° apparent field of view
- Argon-purging prevents internal fogging, the sealing facilitates cleaning
- Patented EMD-coating to maximize contrast
- Blackened lens edges to avoid reflexes
- All eyepieces of this series are parfocal
- Stainless steel barrel with conical security cutoff
- Dust covers and protective bag included
SCOPE OF DELIVERY
- 52° Eyepiece
- Dust covers
- Protective bag
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Focal length | 15 mm |
| Apparent field of view | 52 degrees |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Eyecups | Rubber eyecups, foldable |
| Eye relief | 16.3 mm |
| Material | Stainless steel |
| Extended warranty | 10 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 93 mm |
| Net Weight total (incl. accessories) | 200 g |
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Focal length | 15 mm |
| Apparent field of view | 52 degrees |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Eyecups | Rubber eyecups, foldable |
| Eye relief | 16.3 mm |
| Material | Stainless steel |
| Extended warranty | 10 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 93 mm |
| Net Weight total (incl. accessories) | 200 g |
