Eyepieces for 2" Focusers
for 10" Mirror with 2" Secondary and a 54" Focal Length
Telescope Exit Pupils:
High Magnification Range
Focal Length Required
0. 5 mm
Top of Range
3. 4 mm
0. 75 mm
Mid Range
5. 0 mm
1. 0 mm
Bottom of Range
6. 8 mm
Exit Pupils:
Medium Magnification Range
Focal length Required
1. 0 mm
Top of Range
6. 8 mm
1. 5 mm
Mid Range
10. 1 mm
2. 0 mm
Bottom of Range
13. 5 mm
Exit Pupils:
Low Magnification Range
Focal length Required
2. 0 mm
Top of Range
13. 5 mm
3. 0 mm
Mid Range
20. 0 mm
4. 0 mm
Bottom of Range
27. 0 mm
Exit Pupils:
Rich Field Magnification Range
Focal length Required
4. 0 mm
Top of Range
27. 0 mm
6. 0 mm
Mid Range
40. 5 mm
8. 0 mm
Bottom of Range
55. 0 mm