Q. When the cross-hairs are not clearly visible, (Solved)
1. the cross-hairs should be adjusted
2. the eye-piece should be focussed
3. the objective should be focussed
4. the parallex should be removed
- b. the eye-piece should be focussed
1. the cross-hairs should be adjusted
2. the eye-piece should be focussed
3. the objective should be focussed
4. the parallex should be removed