Obviously, being a point and shoot, the G9 utilized its own lens. Zeiss shows hands-on footage of its ZX1 camera with Lightroom integration. I am grateful for your support! These are optimum settings for this test — a higher ISO setting or significantly longer shutter speed, for example, can slow frame rates.

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The G9 shots are using the default saturation value in this comparison. Drag your mouse down through the links to see the noise change at various high ISO settings for one camera, or drag the mouse between cameras to see how they compare. The image quality advantage of the Digital SLRs is one of the key reasons so many people are upgrading to them.

And the XSi gives us a nice improvement in this area. The comparison above shows what appears at first glance to be a similar 9 AF point layout in three EOS camera bodies. The body names are in fact positioned in ascending AF performance order from left to right. All three of these cameras have a cross-type able to recognize contrast in two directions center focus point indicated in the illustrations above.

The 40D differentiates itself in that all 9 AF points are cross-type and the center focus point is a high-precision cross-type in an X-shape not shown in the comparison. I also feel that the 40D delivers slightly better results and that the 1-Series bodies are even better. Did you see the round black circle in the XSi viewfinder image above?

A new use for the rear LCD Traditionally, the mirror, submirror and shutter in an SLR camera prevents the light coming through the lens from reaching the sensor before the picture is actually taken. Live View allows the mirror to be raised and the shutter to be opened prior to the shot - clearing the path for light to reach the sensor. With light reaching the sensor, the camera is able to show the preview image on the rear LCD obviously, the viewfinder goes dark during Live View. This is a very nice feature one that grows on you when you are not used to having it available - and even makes a histogram available for fine-tuning the exposure.

Connect the camera to a PC or Mac and take full control from your keyboard, mouse and monitor. The problem with Live View is that traditional and very fast phase detection autofocusing requires the mirror to be down so the submirror behind it can direct light into the autofocus sensor. The first implementations of Live View did not make provision for autofocusing while in Live View mode - either prefocusing or manual focusing was required.

Later implementation of Live View allowed quick focusing during Live View by turning off Live View returning the mirror long enough for traditional AF to take place. Contrast detection is the AF method used by point and shoot cameras such as the G9 referenced in this review. Expect 3 to 4 second focusing times the G9 is usually much faster. When custom function C. The gradation between the grays and highlights becomes smoother.

When shooting in very high contrast situations, I more and more frequently turn to HTP to help save the highlight detail. This comes at the expense of some shadow noise is the minimum ISO setting useable for HTP and contrast may need to be increased in post processing for optimal results. The best tab in this menu is the "My Menu" tab where you can select the options you use most for quick access.

Format is another frequently-used menu option that works well in this position. Extensive control over the built-in flash or a compatible external flash currently only the Canon Speedlite EX II Flash is possible from this menu. While on the flash topic And I have not had dust problems even after thousands of pictures and lots of lens changes including outdoor changes. This is the way it should be - but often not the way it is.


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