1.25” fully multi-coated planetary eyepiece. 53 degree field, 20 mm eye relief. This eyepiece is sharp to the edge of the field. This is a great high power eyepiece. This eyepiece has a retracting rubber eyecup, rubber grip, a tapered insert tube and is threaded for 1.25" filters.
|Eyepiece Focal Length||4.9 mm|
|Insert Tube Size||Standard 1.25"|
|Apparent Field Of View||55 degrees|
|Field Stop||8.5 mm|
|Eye Relief||20 mm|
|Number of Elements||7 elements|
|Best Use||Wide Field Viewing of deep sky, panning the Milky Way, birding