This is a high quality, medium power, 1.25” 52 degree eyepiece. It is on par with other Plossls selling for much more. It has a rubber eyecup that can be retracted, a safety groove of the correct depth and is threaded to accept 1.25" filters.
|Eyepiece Focal Length||9 mm|
|Insert Tube Size||Standard 1.25"|
|Apparent Field Of View||52 degrees|
|Field Stop||7.5 mm|
|Eye Relief||6 mm|
|Number of Elements||4 elements|
|Best Use||Viewing the moon and deep sky objects when a wide field is not needed|