Panasonic SDRS150 Instrukcje Operacyjne Pobierz pdf (Strona 109)

109

VQT0X49

Auto focus

The lens is moved forward or backward

automatically to bring the subject into

focus.

Auto focus has the following

characteristics.

≥ Adjusts so that the vertical lines of a

subject are seen more clearly.

≥ Attempts to bring an object with higher

contrast into focus.

≥ Focuses on the screen centre only.

Due to these characteristics, auto focus

does not work correctly in the following

situations. Record pictures in the manual

focus mode.

Recording distant and close-up

objects at the same time

Since the unit focuses on whatever is at

the centre of the screen, it is difficult to

bring the background into focus when

close-up objects are placed in focus.

When recording people with distant

mountains in the background, you cannot

focus on both the subject which is

close-up and the objects which are in the

distance.

Recording a subject behind dirty or

dusty glass

The subject behind the glass will not be

focused because the focus is on the dirty

glass.

Similarly, when recording something on

the opposite side of a road with heavy

traffic, a vehicle that happens to pass by

may be brought into focus.

Recording a subject that is

surrounded by objects with glossy

surfaces or by highly reflective

objects

Since whatever is shiny or listens is

brought into focus, it is hard to focus on

the subject to be recorded. The focus

may become blurry when recording

subjects at the seashore, in night views

or in scenes involving fireworks or special

lights.

Recording a subject in dark

surroundings

The unit cannot focus correctly because

the light information that comes through

the lens decreases considerably.

Recording a fast-moving subject

As the focus lens-inside moves

mechanically, it cannot keep up with a

fast-moving subject.

When, for example, recording children

who are running around wildly, the focus

may lose its sharpness.

Recording a subject with little contrast

It is easy to bring subjects with a sharp

contrast or vertical lines or stripes into

focus. This means that a subject with little

contrast, such as a white wall, may

become blurry because the unit achieves

focus based upon the vertical lines of an

image.

Concerning MPEG2 motion

pictures

“MPEG” stands for Moving Pictures

Experts Group. It refers to a format for

compressing video.

MPEG2 enables motion pictures to be

played back more smoothly and

attractively by sending the image data at

a rate of 25 frames per second.

(SD Speed Class Rating

Class 2)

This indicates a Class 2 rating in the high

speed standards (SD Speed Class)

stipulated by the SD Card Association for

high speed writing between SD

compatible products and SD Memory

cards.

If you use a Class 2 card compatible with

the SD Speed Class in an SD compatible

product, you can obtain stable recording

by using a SD card conformed with Class

2 or more.

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