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The Vixen SLV series are the modern take on the classic Vixen Lanthanum eyepieces. These eyepieces were legendary for their generous eye relief and precise nature, making them a firm favourite with planetary, lunar and double star observers. This 4mm is an excellent higher power eyepiece on shorter focal length telescopes, especially good for Lunar viewing - or for those trying to max out their longer focal length scopes for double star work.
The SLV Series of Vixen Eyepieces feature a hexagonal shaped eyepiece barrel, long 20mm eye relief, and twist up click stop eyecup for adjusting to the most comfortable viewing. The SLV eyepieces feature high grade lanthanum glass, and deliver remarkably clear and high contrast star images to the edge of the viewing circle. The lenses are fully multicoated for high light transmission.
Size 31.7mm/1.25"
Apparent FOV 50°
Eye relief 20mm
Weight 168g (5.92oz)
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Focal length | 4 mm |
| Apparent field of view | 50 degrees |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Eye relief | 20 mm |
| Material |
|
| DIMENSIONS & WEIGHTS | |
| Net weight (without access.) | 168 g |
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Focal length | 4 mm |
| Apparent field of view | 50 degrees |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Eye relief | 20 mm |
| Material |
|
| DIMENSIONS & WEIGHTS | |
| Net weight (without access.) | 168 g |
