Nikon - best warranty, best glass, best value for $$. Nikon has a new BDC ( Bullet
Drop Compensating Reticle ) reticle due out in June. Price will be the same as standard plex reticles in the Nikon line.
Try these settings:
Image mode: Fine or High
Metering:Spot
Continuous:Continuous
AF Area Mode:OFF
Auto-Focus Mode:Single AF
Flash:OFF
ISO Speed:Highest
Also, looks like your camera lens might not be flush with the spotting scope eyepiece.