JVC GY-DV300REM Instruction Manual - Page 34

MANUAL ADJUSTMENTS Manual Focus Adjustment IRIS FOCUS AUTO MANU FOCUS switch PUSH AUTO FOCUS ring In accordance with the conditions under which the subject is recorded, adjust the focus in the manual focus mode. In the auto focus mode, correct focus may be difficult to obtain under the following shooting conditions. ● When the subject is behind metal mesh. ● While panning quickly from a distant point to one nearby; the subject will be in focus when the panning is stopped. ● In dark places. ● When the iris is at the CLOSE end. A Manual focus mode indication Operation 1. In the recording-standby mode or during shooting, set the FOCUS switch to "MANU". The manual focus mode is engaged, and the MF indicator that indicates the manual focus mode is displayed on the LCD screen and the viewfinder screen. 2. Turn the focus ring on the lens section to adjust the focus. Ⅲ To return to the auto focus mode, set the FOCUS switch to AUTO. Memo: To obtain correct focus, push the ZOOM lever to the "T" position and then adjust the focus while the subject is in the zoomed-in condition. The focus will be retained after zooming out. If the focus is adjusted in the wide-angle condition, the subject will be out of focus when you zoom in. MANUAL ADJUSTMENTS Manual Focus Adjustment (Cont'd) Momentarily Using Auto Focus It is possible to momentarily use the auto focus function while in the manual focus mode. IRIS FOCUS AUTO MANU PUSH AUTO PUSH AUTO FOCUS button ● When the FOCUS switch is set to "AUTO", the PUSH AUTO FOCUS button does not work. Operation 1. Press the PUSH AUTO FOCUS button. The auto focus function operates while the button remains pressed. 2. When the button is released, the mode returns to the manual focus mode. About Auto Focus The auto focus function automatically moves the lens back and forth to adjust the focus. The auto focus function has the following characteristics. ● It adjusts so that the vertical lines in the subject are seen as clearly as possible. ● Focus is adjusted in accordance with parts showing most contrast. ● Focus is only adjusted in accordance with the center portion of the image. Due to these characteristics, the auto function does not work well with the following types of scenes. Use manual focusing when shooting under these circumstances. Ⅲ When shooting both nearby and distant subjects at the same time. Ⅲ When shooting through dirty glass, like windows. Ⅲ When shooting scenes with light reflecting off the surface of the subject. Ⅲ When shooting where the illumination is low. Ⅲ When shooting subjects in fast motion. Ⅲ When shooting subjects with low contrast. TENTATIVE 63 64