You can use manual focus when auto focus is not possible. If you press the shutter button halfway after roughly focusing manually, you can fine tune the focus.
Choose f.∆Press the q button, then press the qr buttons or turn the  dial to choose f, then press the m button.
and the MF indicator appear.
Focus roughly.∆The side bar shows your focal point and a distance display. While looking at the magnified area, turn the Âdial to find an approximate focus.
Fine tuning the focus.∆If you press the shutter button halfway, you can fine tune the focus (Safety MF).
• You cannot change the AF frame setting or size while focusing manually (pp. 82, 83). If you want to change the AF frame mode or size, cancel Manual focus mode first.
•In order to focus accurately, try attaching the camera to a tripod.
•When using the Digital Zoom (p. 65), Digital
•If
•If [Safety MF] is set to [Off] in the 4tab, you will not be able to fine tune the focus even if you press the shutter button.
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