18
Note:
• The most common use of a varifocal lens and a zoom lens
Note that the adjustment method is different depending on the type. For further information,
refer to the operating instructions for the lens to be used.
Adjust the back focus after positioning the zoom ring at the "T" end and positioning the focus
ring at a step short of the "F" end.
• Depending on the lens to be used, if the zoom ring is fully rotated in the "W" direction, the
periphery may become dark. In such a case, rotate the zoom ring in the "T" direction for read-
justment.
• When images in the near-infrared light area change from the color mode to the black & white
mode, out-of-focus may be occurred according to the nature of optical property. In this case,
the focus can be corrected by selecting "Auto" or "Preset" for "Adjusting method" on the setup
menu (The focus will not automatically be adjusted according to the illumination level change
once the focus is corrected.) Refer to the Operating Instructions (PDF) for how to configure the
"Adjusting method" setting on the setup menu.
• When shooting in the following place or the following subjects, it may have difficulty adjusting
the back focus position automatically.
In this case, adjust the back focus position manually from the setup menu.
Refer to the Operating Instructions (PDF) for how to perform the auto back focus function from
the setup menu.
• Place there the lens easily becomes dirty
• Subj. moving frequently
• Subj. with large illuminance change
• Subj. with low illuminance
• Subj. with reflection or extra brightness
• Subj. through a window
• Subj. with less contrast such as white wall
• Subj. with heavy flicker
How to adjust the focus
SP305
SP302
The focus is adjusted using the focus assist function.
The angle of view and focus can be adjusted in accordance with the distance between the camera
lens and a photographic subject. These adjustments shall be performed together with the camera
angle adjustment.
z
Loosen the zoom lock knob, and adjust the angle of view
(angular field of view) in accordance with the photographic
subject by moving the zoom lock knob and focus ring.
x
Fasten the zoom lock knob.
c
Press the focus assist button.
→
"FOCUS ADJUSTMENT" menu will be displayed.
The focus assist function will be activated to perform the
optimum adjustment.
FOCUS ADJUSTMENT
LOW
HIGH
............|.......
INDICATOR 620
BEST
PEAK HOLD 635
FOCUS
