Eyepiece Data for Deep-Sky Planner: Pentax
Pentax Eyepieces
FL (mm)
AF (deg)
XW
40
70
XW
30
70
XW
20
70
XW
14
70
XW
10
70
XW
7
70
XW
5
70
XW
3.5
70
XO
5
44
XO
2.5
44
XF
12
60
XF
8.5
60