Protech Zoom 400 Operations Instructions download pdf (Page 52)

Adjusting the Focus

Chapter 3 Adjustments and Settings

Note

The lens is designed with an extra margin at the infinity

position (

∞ ), to compensate for focus drifting due to

variations in temperature. When shooting a subject at

infinity in MF or Full MF mode, check the picture in the

viewfinder as you focus.

When you slide the focus ring back (toward the

camcorder), the focus mode becomes Full MF

mode, in which all focus adjustments are manual.

Note

When you slide the focus ring back, the focus instantly

moves to the mark position.

Focus by turning the focus ring while viewing the

viewfinder.

The distance indications on the ring are valid in

Full MF mode. The distances where the picture is

in focus correspond to absolute positions of the

focus ring.

Peaking

You can turn the PEAKING knob on the

viewfinder to use the peaking function. Edges are

emphasized in the monitor picture, which

facilitates manual focusing.

The recorded video signals are not affected.

When you slide the focus ring forward (toward

the lens hood), and set the FOCUS switch to M

(manual), the focus mode becomes MF mode, in

which focus adjustments are manual but auto

focus is available only when necessary.

Using the focus ring

Focus by turning the focus ring while viewing the

viewfinder.

The distance indications on the ring are invalid in

MF mode.

One-push auto focus

Press the PUSH AF button. Auto focus is enabled

temporarily.

One-push auto focus ends when the subject is

brought into focus.

MF assist function

When the MF assist function is on (see page 150),

auto focus starts when you stop adjusting with the

focus ring, enabling fine adjustments with the

subject at the center of the screen.

Auto focusing by the MF assist function ends

when the fine adjustments end.

When you slide the focus ring forward, and set the

FOCUS switch to A (auto), the focus mode

becomes AF mode, in which auto focus is always

active.

The distance indications on the ring are invalid in

AF mode.

When the focus mode is MF or AF, you can set

the MACRO switch to the ON side to enable

macro mode. Macro mode allows you to focus

over the range that includes the macro area.

Macro mode is disabled in Full MF mode.

Adjusting the Focus

Adjusting in Full MF Mode

Adjusting in MF Mode

Adjusting in AF Mode

Using Macro Mode

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Protech Zoom 400 Operations Instructions Page 52

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