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Old 29-04-2005, 09:41   #8
j.s
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Cittā: Milano
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Quote:
Originariamente inviato da X-ICEMAN
la ixus 700 č il nome europeo della canon sd500

cmq io ho praticamente deciso per la casio

Casio invece che Canon 700 o Nikon 7900

So che hai scelto e che aspetto la tua personal recensione

Ma mi hanno detto che la canon e/o la Nikon essendo produttrici delle lenti hanno un equilibrio interno di settaggio che non ha paragoni con altri modelli

Nelle recensioni che ho letto la nikon ha il plus della riduzione degli occhi rossi e della limpiditā delle immagini mentre la canon lavora bene fino a iso 100 ma poi č un disastro

Quindi la scelta della Casio vorrei sapere da cosa č motivata perchč non ho ancora letto una vera recenzione quelle lette finora sono delle preview e non delle prove dirette sul campo

At ISO 400 the situation is almost reversed - the SD500's stronger noise reduction has started to seriously affect overall sharpness, whereas the Nikon image - though noisier - has retained virtually all the detail (and actually looks sharper than the ISO 50 image: the 7900 uses dynamic 'auto sharpening' by default). In fact this is one of the better ISO 400 images we've seen from any camera using this latest generation 7MP chip. It's nice to see that Nikon's noise reduction system is removing chroma noise, leaving only grain-like luminance noise and lots of detail.


Nikon 7900

Conclusion - Pros
Very compact and pocketable
Beautifully built and all-metal construction
Good resolution and good edge-to-edge consistency
Excellent natural color and exposure - very few blown highlights
Manual (custom) white balance
Fast focus and very responsive performance overall
High performance movie mode with electronic VR
Good ISO 400 performance
Pretty fast operation
Huge range of 'hand-holding' features for the novice
Best Shot Selector
Well thought out controls and excellent handling
Easy to use - once you're familiar with the huge feature set
AF illuminator (though see below)
Great macro performance
Very little purple fringing and well controlled distortion
In-Camera Red-Eye Fix really works
D-Lighting function
Well priced
Conclusion - Cons
Images soft (though they respond well to unsharp masking)
Very poor low light focus - even with the new AF illuminator
Some focus errors at the long end of the zoom even in good light
Low ISO results relatively noisy using default settings
Finest quality JPEG is still quite heavily compressed
Red-eye mode means 6 second shot-to-shot time
Too many button presses to change basic settings - presumably to avoid accidents
No exposure information on-screen
No control over shutter speeds or apertures
Only two aperture settings
Overall conclusion
In an increasingly crowded 7MP compact market, the Coolpix 7900 has much to recommend it. Design, build and ease of use are excellent, and there is a surprising amount of power hidden in the extensive menus, offering control over focus, metering, white balance and so on for those who like to tweak. The novice market the 7900 is aimed at will surely welcome the hand-holding approach of the scene and scene assist modes, and the overall responsiveness makes using the camera a real pleasure. Features such as Best Shot Selector (which takes a burst of shots as you hold down the shutter, then chooses and saves only the sharpest one), D-Lighting, Face-Piority AF and In-Camera Red-Eye Fix (which works virtually every time) add value to an already well-priced camera.

Although purists will no doubt applaud Nikon for refusing to 'over process' images and keep colors natural, the overall softness is unfortunate, and means that for larger prints you'll be heading for the Unsharp Mask menu with every shot. More troublesome - for the target market especially - is the hit n miss (more miss than hit) focus in dim light. If you're looking for a camera to use in pubs or bars then the Coolpix 7900 isn't for you. On the other hand, if you're looking for a compact camera that is unflappable in most circumstances, has excellent color and exposure, and a huge array of scene modes covering virtually every situation life throws at you, then you could do far worse than this.

Bottom line then: a beautiful little camera with few serious faults, save for the poor low-light focus. I wouldn't hesitate to recommend it as a 'carry anywhere' camera that is capable - with a little help in post-processing - of producing excellent results. If the low light focus was better, or overall sharpness a tad higher, there is no doubt you'd see the word 'highly' before recommended below


Canon SD500 alias ixus 700

Conclusion - Pros
Excellent resolution
Very compact and pocketable
Beautifully built and all-metal construction
Excellent color and exposure
Manual (custom) white balance
Fast focus and very responsive performance overall
Good flash performance at short distances
High performance movie mode
Nice handling and easy-to-use interface
AF illuminator
Low noise at ISO 50-200
Novel in-camera image effects
Conclusion - Cons
Low contrast fine detail (such as foliage or hair) looks soft
AiAF focus unreliable - turn it off
Screen resolution not high enough for a 2.0-inch LCD
Some purple fringing
Slight corner softness at wide angle
Battery life when using LCD not fantastic
No exposure information in record or playback mode
Very little manual control
Finish very susceptible to marks and scratches, can be slippery in the hand
Overall conclusion
It's not without reason that the IXUS/Elph range has proved so popular; the combination of size, design and materials, performance and decent image quality is a compelling one. The SD500 is no exception; it's fast, easy to use and capable of producing first-class results in the right situations - and it has all the hallmarks of a design classic. But it's not a camera without problems. Some, such as the rather erratic behavior of the AiAF 'intelligent' focus system, can be easily overcome (switch to center focus), others, such as the SD500's tendency to miss fine low-contrast detail, will only really cause you a problem if you're printing at sizes over about 8x10 inches.

Ultimately, however, buying any camera designed to be as physically small as possible is always going to represent something of a compromise, and I think that on balance the SD500 represents an acceptable trade off - it's certainly capable of producing sharper, more detailed results than most of its competitors, and its street price is, at under $500, pretty competitive. You may question whether you really need 7 million pixels in a pocket camera, but a quick glance at the test results shows that the SD500 is capable of capturing considerably more detail in everyday scenes than any of its 4 or 5 megapixel predecessors or competitors. So if you like to print a little larger, the SD500 will give you the edge, even if its not a quantum leap forward.

So the SD500 is a great little camera that, maybe unfairly, I felt didn't quite deliver on its promise. That said, we experienced none of the movie audio problems (a faint whine or hiss) mentioned by some owners (and in fact were very impressed by the movie mode), and in good light with plenty of contrast the results are often stunning.
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