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The second of 2 Ultra Zoom cameras recently released by Olympus (C-740UZ is the other), the C-750UZ offers a similar 10X optical zoom, but adds a greater resolution than the C-740UZ, and more features.

As with the C-740UZ, the C-750UZ has ED (Extra low Dispersion) glass, which improves the image quality by minimizing chromatic aberrations.
The exterior surfaces of the C-750UZ are made of metal and plastic. Front and back, a metal covering is employed, including the lens barrel from which the lens extends, while the rest is made of silvered plastic. The mix produces a sharp-looking camera with a brushed aluminium part around the LCD screen.
Both the C-740UZ and the C-750US have a generally similar look, but with some notable differences. The C-750UZ is equipped to record sound — the microphone is to the right of the lens in the image above — and also provides a hot shoe with a protective cover for the contacts.

The hot shoe can accommodate third party flash units, but provides fully dedicated contacts for Olympus flash units FL-20 and FL-40.
Just as with most compact cameras equipped with long zooms, the C-750UZ is equipped with an electronic viewfinder (EVF) with a diopter correction. Similar to the viewfinders employed on camcorders, the EVF allows a through-the-lens (TTL) view, but has a limited ability to reproduce a sharp image. In this case, the EVF is a 0.44 inch TFT colour LCD display with 180,000 pixels. While the image it yields is not nearly as crisp as what can be had with a purely optical system, it can be used to see the camera menus in addition to simply showing the precise content of the frame.

The controls configuration on the top right of the C-750UZ offers the zoom control, the shutter release and the Mode Dial. The zoom control, a ring around the shutter release, moves the zoom lens to the wide angle position when pushed towards the left, and wide angle when pulled to the right. In Playback, the control allows zooming into an image using the Telephoto side, or showing an Index screen (thumbnails) with the Wide angle side, whether the image is being shown on the LCD monitor, or on the EVF.

The Mode Dial provides 12 positions, including the Playback mode. The Olympus C-750UZ offers Program, Priority and Manual modes, plus a group of 6 Scene modes. On the Mode Dial, the most advanced shooting modes are provided by:
Program: the camera controls aperture and shutter, but the user has access to all other settings.
Aperture Priority: user sets the aperture and the camera sets the shutter speed.
Shutter Priority: user sets the shutter speed and the camera matches it to an aperture.
Manual Mode: full control over all aspects of the camera.

The 6 Scene modes are represented by:

Portrait: uses a wide aperture to blur the background behind the subject slightly and is most effective when the zoom is used. Night Scene: designed for night photos. Uses a low shutter speed (the camera should be stabilized on a tripod).
Sports: Makes use of a fast shutter speed to stop action. Self Portrait: allows the camera to be pointed back towards the photographer. The lens is automatically set to the widest angle.
Landscape-Portrait: enhances blues and greens and uses an aperture that will maintain both foreground and background in focus. Landscape: also enhances blues and greens and uses a small aperture to maximize the depth of field.

Three more recording modes complete the choices offered to the user:

Auto: the simplest shooting mode. Few controls are available, and the camera handles everything. My Mode: allows saving complete groups of preferred settings. 4 sets can be memorized, and any one of these can be recalled by setting the Mode Dial to this position.
Movie Mode: records video clips that can last as long as there is space on the memory card. This is yet another area where the C-750UZ provides additional options over the 3-megapixel C-740UZ. Movies can be recorded with sound, in which case a digital zoom is available; or without sound, which leaves the optical zoom functional. The Movie mode provides its own menu options, including the possibility of choosing the ISO sensitivity of the camera, which by default is set to 400 ISO, and the white balance.

Last, the icon indicates the Playback mode.

All other external controls on the C-750UZ are arranged in the same places as those of the C-740UZ, but with the addition of a Remote Control function (the remote control unit is included with the camera in North America), which is assigned to the Self-timer button.

Most of the controls offer a dual function, one for the Recording mode, and one in Playback, identified by a coloured icon:
Self Timer 12 second delay; and Remote Control.
Single frame Delete in Playback, or in the Quick View mode.
Macro Mode or Spot Metering, or Macro mode and Spot metering combined. Note that the Macro Mode called up with this button is not the same as the Super Macro mode called up through the menu.
Presents the Print Order screen in Playback so that photos can be selected for later printing on DPOF printers, or by a service.
Flash Modes: Auto, Auto with red-eye reduction, Forced on, Slow Sync (front or rear curtain, or front curtain with red-eye reduction), Forced off is assumed when the flash is left closed.
In Playback, the button serves to Protect (Lock) frames against deletion.

One of the more obvious differences between the exterior of the C-750UZ and the C-740UZ is the use of a metal skin for the C-750UZ, and most notably, of a rather elegant brushed metal trim around the 1.5 inch, 114,000 pixel LCD monitor. Otherwise, the controls are the same, and are arranged in the same places.

On the right side, four directional buttons allow for menu navigation and are called, as a group, the Arrow Pad. In addition, these buttons also serve to set the exposure compensation, or select apertures and shutter speeds in the Priority and Manual shooting modes.

At the centre of the Arrow Pad, a round button labelled OK is used to
call up the menu and confirm selections. Like most other controls, it also has a secondary function. When pressed and held in for more about 2 seconds in the recording modes and when the LCD monitor is on, it displays the Manual focus mode option on the monitor.

The remaining buttons serve for:
By default, AEL (Auto Exposure Lock) is to lock a metered exposure. The AEL button can be used either with the digital ESP metering, locking the reading; or if Multi-metering is enabled, can be used to memorize up to 8 points, one at a time, in a scene to be photographed. The readings are then combined by the camera to set the proper exposure.
  Moreover, this button can also be re-programmed from its default AEL function to any one of 15 other possible functions. Using the menu, it can be assigned to activate AF Lock, or immediately call up specific options such as Drive mode, ISO, Shooting mode, A/S/M, Slow flash synch, Noise Reduction, Digital Zoom, Full time AF, AF mode, Super Macro mode.
In Playback the AEL button serves to Rotate an image displayed on the screen by 90° increments.

Finally, the lowest button to the right of the LCD screen controls the LCD screen:

Acts as a toggle switch between the EVF and the LCD monitor in the recording modes; and, when pressed twice in rapid succession, starts the Quick View mode. The Quick View mode avoids having to turn the Mode Dial to the Playback position to see an image that has just been captured.
 

Besides having a greater resolution and being a touch more luxurious in appearance than the C-740UZ, the C-750UZ offers more functions, and in turn a little extra flexibility for the user. The ergonomic design may be similar, but these additional features clearly place the C-750UZ as the top of the Olympus line of 10X zoom cameras.





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