Appendix C : Focusing the Lens
Focusing the lens
Loosen the fastener ring of the lens by turning counter clockwise.
Focus the image by turning the lens barrel to the left or the right. Attention : Do not
turn out the lens too far, otherwise it will fall out of the lens holder.
When the image is focused, secure the correct position of the lens with the fastener
ring by turning this ring clockwise.
Lens holder
Fastener
Lens
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