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Panasonic Lumix DMC FZ28 | Digital Camera Review | Adjustments
Upon arrival of a Panasonic LUMIX FZ28 test sample, it is tested in our DIWA Lab. The technical data of the rigorous tests are processed and translated into understandable data. Inside the lab, testing takes place in standardized circumstances. An environment in which cameras, both compact and system concepts can be compared without a problem. Besides that, the Panasonic FZ28 camera is extensively used in practice and evaluated as for operation and shooting in practice. This combination of lab tests and the testing in practice, results in a final conclusion that is carefully reviewed.
Panasonic Lumix DMC FZ28 | Digital Camera Panasonic Lumix DMC FZ28 | Digital Camera
Color reproduction quite consistent
The color test of the Panasonic LUMIX DMC-FZ28's color reproduction shows a quite consistent result. Over the entire sensitivity range of ISO 100 - 1600 the camera delivers a precise to excellent color reproduction, compared to the Gretag Macbeth Color Checker, with natural accurate colors. Metering is carried out with optimized white balance and light metering, making the result show what the Panasonic FZ28 is able to do in the most ideal circumstances.

Manual & automatic white balance
The white balance metering shows that the Panasonic LUMIX FZ28 achieves a very precise white balance up to and including 200 ISO. From 200 ISO it is less consistent and drops slightly yet is still excellent. The auto white balance has some trouble in circumstances with an abundance of incandescent or fluorescent light, which does not come as a surprise. Setting the white balance manually will obtain the maximum result.

Sensor sensitivity of the Lumix DMC-FZ28
One of the tests that were carried out in the DIWA Lab is the actual sensor sensitivity of the Panasonic LUMIX DMC-FZ28. The specified values in official specifications regularly differ from the actual values. One of the reasons this occurs, is to keep the noise under control. It turned out that the Panasonic FZ28 sensor has an effective sensitivity that lies consistently higher with an average of 14.4%. In other words; ISO 100 is slightly higher and ISO 1600 approaches 2000 ISO.

Noise values of the Panasonic FZ28
Increasing the image resolution means that you always have to take more noise into account in practice, for the high ISO setting that is. Naturally, manufacturers take their precautions to minimize this effect; however, the effect of more pixels on the same small sensor hardly ever leads to image improvement at high ISO. There is a difference now in the lab tests and practice. A print is able to deal with noise a lot easier than the 100% crop enlargements on a monitor etc.

Panasonic Lumix FZ28
The signal/noise ratio up to ISO 100 is fine, from 200 - 800 ISO Panasonic has noise nicely under control and keeps the value quite consistent offering a reasonable result. Noise is visible and it is a matter of using the correct exposure to prevent noise from becoming annoyingly visible. High ISO 1600 proves a let-down; showing annoying visible noise.

Correct colors whilst keeping detail
The Panasonic LUMIX DMC-FZ28 is quite consistent and on an excellent level. Up to and including ISO 800 the measurement is almost equal although ISO 1600 performs slightly less. The Panasonic LUMIX FZ28 is perfectly able to correctly capture dark and light areas in a picture whilst keeping detail, providing the exposure is carried out correctly.

Leica DC-Vario Elmarit 27-486mm lens
The LEICA DC-VARIO ELMARIT f/2.8-4.4 lens of the Panasonic FZ28 with a range of 27-486 mm shows excellent sharpness, in the centre as well as to the edges. The only exception is the maximum telephoto mode at which f/4-8.0 shows visible blur in the edges of a picture. 'Working aperture' f/5.6 will obtain the best result with maximum tele. As far as distortion is concerned, the lens performs superbly. Hardly any visible distortion disturbs the picture, not even in maximum wide angle.

Panasonic Lumix FZ28 lens - Test results
A phenomenon such as chromatic aberration (CA) occurs rather frequently. Apart from the design of the lens itself, software correction is an effective solution. There is not always information available about whether or not this solution is at hand. The lab results are crucial in the end, although it may explain why one lens performs so much better in this field than an other one. The lens of the Panasonic LUMIX FZ28 shows fine values, and only drops a few stitches in the edges of the telephoto range. Visible chromatic aberration disturbs the picture to an extent that image editing afterwards is inevitable or even required. The centre of the telephoto area also suffers from chromatic aberration; however, one can live with it. Besides that, an equal result shows at the edges of the centre focal length area of this lens.

Panasonic DMC-FZ28
Panasonic Lumix DMC FZ28 Panasonic Lumix DMC FZ28
   
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