Kowa TE-17W 30x, WIDE Eyepiece

This high-performance eyepiece design with 7 lens elements in 5 groups provides easy viewing with an eye relief of 20mm and field of view approximately 10% wider than conventional eyepieces. This wide field of view is extremely useful when searching for subjects that you want to bring into view. The 20mm eye relief allows you to see the entire field of view, even when wearing eyeglasses.