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CX6 : What is the Auto resize zoom ? / What is the different between [Auto Resize Zoom] and [Normal] for [Digital Zoom Image] ?

This function allows you to crop and record a shot image. Conventional digital zoom enlarges a portion of an image to a set magnification. Whereas, auto resize zoom saves the cropped portion of the image, the image quality is not decreased by enlargement. The image recording size changes depending on the auto resize zoom magnification.

Auto resize zoom is available only when [Picture Quality/Size] is set to 10M 4:3F, 10M 4:3N (3648 × 2736) only.

* All images below are are simulated.
Example: 10M 4:3 (3648 x 2736) image (original)

Example: [10M] 4:3 (3648 x 2736) image (original)

Auto resize zoom

Auto resize zoom crops an image with 10M, to 5M 4:3F, 3M 4:3F, 1M 4:3F, or VGA 4:3F (same magnification) without enlargement.

Cropped image examples :

Cropped image examples : images are simulated.

As shown above, you can save the cropped image. Regardless of the magnification ratio, the image quality of the cropped image is as same as the original one. (However, when you increase the magnification ratio, the image size will become smaller.)

Zoom Magnification Focal Length Image Size
Approx. 1.0x 300mm 10M 4:3F,10M 4:3N
Approx. 1.4x 420mm 5M 4:3F
Approx. 1.8x 530mm 3M 4:3F
Approx. 2.9x 850mm 1M 4:3F
Approx. 5.7x 1710mm VGA 4:3F
* Values of the focal length are equivalent to those on 35 mm film cameras.

Digital Zoom

The digital zoom enlarges a cropped image with interpolation. The higher digital zooming, the larger magnification with the smaller area. The image size (pixel dimensions) is the same as the original one, and it looks as if it were the extension of digital zoom, however, it is grainy and has a lot of noise.

Example: An enlargement of a trimmed (cropped) image
(from the left; original image >> trimming >> enlarging)

Example: An enlargement of a trimmed (cropped) image

Note on [Auto Resize Zoom]

Setting Auto Resize Zoom

Auto Resize Zoom options are located; Setup menu > [Digital Zoom Image].

  • 1 In the Setup menu, press the ADJ./OK button Up or down, and choose [Digital Zoom Image], and then press the ADJ./OK button to the right Right (Flash) to show the options.
  • Digital zoom Image options in the Setup menu
  • 2 Press the [ADJ./OK] button Up or down, and choose [Auto Resize], and press the ADJ./OK button.
  • 3 Press and hold the zoom lever to the right (Enlarge) until the maximum magnification is reached on the zoom bar, then momentarily release the zoom lever, and then press the zoom lever to the right (Enlarged View) again.

    zoom lever

    • Each time you press the zoom lever towards telephoto, the image is resized by one setting.
    • The size at which the image is recorded is displayed above the zoom bar.
Answer ID: edc06028
Date created: December 5, 2011
Date modified: --
Product: CX6
Operating system: --
Category: Hardware specifications, Hardware operations

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