Dream Chip ATOM one Manual operativo - Página 11
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Optical System
4 Optical System
4.1 Back-Focus Adjustment
The back-focus of the ATOM one is adjustable. This helps to adapt to any lens
to have a perfect focus.
The following diagram is showing the components of the lens mount, from left
to right those are:
Sensor mount
Lens mount
Lock ring
For adjustment do the following procedure:
1. Attach your target lens to the ATOM one. Try to tighten it a little
2. Loosen the lock ring to release the lens mount
3. Turn the lens mount with your lens for back-focus adjustment
4. Check your focus on a monitor. Focus assistant is helpful
5. Carefully tighten the lock ring, since this will change back focus a little
6. Check focus again. You may repeat steps 3-6 until you are satisfied
7. Finally firmly tighten the lock ring with your hand (do not use tools!)
Be carefully and sensitive with the locking threads. In rough environments
you may secure the lock ring with lock-tight.