How much does this cost to the nearest dollar?

Tele Vue 21mm Ethos 2 Eyepiece
Maximize your spacewalk experience with the 21mm Ethos. Transform your passage through the Milky Way with the 21mm's nexus of contrast, power and field. Larger deep sky objects and rich star fields are its natural playground. Looking on-axis your field-of-vision is filled with 100° of stars, however wherever you chose to concentrate your attention you'll see sharpness and richer contrast. The optical performance of the 21mm is the work of Ethos lead designer Paul Dellechiaie, who achieved a level of optical aberration correction right in line with his other Ethos designs. Contrast and transmission have been maximized using the same advanced coating techniques and further aided by the internal mechanical design techniques used in

Price is $894.00
Price: $894