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Your new Catadioptric or Reex mirror lens is a highly developed, computer designed product which uses
the merits of both reex optics and refraction optics. This gives you very sharp picture quality with less color
aberration, which is considered the most harmful factor in the eld of telephoto photography.
1. Required T-Mount
A proper T-Mount adapter should be threaded onto the back of your lens in order to attach your lens to your
camera.
2. Mounting Your Lens to Your Camera
The T-Mount is similar in design to the mount of standard lenses designed for your camera, and is coupled
and removed in the same manner. To mount the lens, attach the T-mount adapter to your camera and then
simply attach the lens to the adapter.
3. Focusing the Lens
Focusing is accomplished while viewing the subject through the viewnder of your camera and rotating the
focusing ring. Since the aperture is preset, you will nd under certain light conditions a shadow appearance
on the split-image section of your focusing screen. In this case, simply focus on the edges of your subject
with the outer center of your prism.