Levenhuk Ra LER 3 mm Eyepiece
Planetary eyepiece. Focal length: 3 mm. Field of view: 55°
LER in the brand name of Levenhuk Ra LER 3 mm Eyepiece stands for Long Eye Relief. This model has an eye relief of 0.8 inches, which in combination with its twist-up rubber eyecup makes for a comfortable observation process even if you wear glasses. Also, Levenhuk Ra LER 3 mm features a focal length of 0.1 inches, 55-degrees field of view and fully multi-coated optics to provide high-quality views.
Levenhuk Ra LER 3 mm is lightweight due to an aluminum shell, and can be used with any telescope due to its 1.25'' barrel diameter and the possibility of using 1.25'' to 2'' adapters. This model will suit you perfectly if you are interested in telescopic observations of planets.
Focal length, in: 0.1
Exit pupil diameter, in: 0.8
Barrel diameter: 1.25"
Apparent field of view, °: 55
Optical design: 7 elements in 4 groups, fully multi-coated
|Eyepiece Series||Levenhuk RA LER|
|Barrel Size||1.25" (31.7mm)|
|Apparent Field of View (Mfg Specified)||55°|
|Eye Relief (Designed)||20mm|
|Filter Threads||Standard 1.25" Filter Thread (M28.5 x 0.6)|
|Barrel Safety Recess||Tapered barrel|
|Barrel Type||Tapered barrel|
|Protective Plastic Storage Container||Yes - Free Agena Eyepiece Container|
|Protective Plastic Storage Container Size||Agena 52x120mm|
|Rubber Eye Guard||Yes|
|Weight||14.4oz (408.2 g)|
|Country of Manufacture||China|