Casio Exilim EX-Z250 review: Casio Exilim EX-Z250

For its class, the EX-Z250 can produce some very good photos. Colors are true, and white balance, exposure, and detail are good through ISO 400, but as usual the lower ISOs are best. From ISO 800 and above (sensitivity goes up to ISO 3,200), the camera's noise reduction softens everything and starts to affect overall color. I'm pleased with the level of detail that remains in photos at ISO 800 despite their smeary, oil-painting-like appearance, so low-light and action shots aren't out of the question. However, there are a couple of lens-related negatives. As with many inexpensive cameras, photos are relatively sharp in the center, but on the sides there's distortion, which results in softness as well as a tendency to exhibit purple fringing. Also, there's noticeable barrel distortion at its widest and, to a lesser degree, pincushioning when fully zoomed out.

But what really brings down the Z250 is its performance. Its single-shot speed is great: 0.3 second to focus and shoot in bright conditions and 0.5 second in dim. Everything else about the camera is comparatively slow. It takes nearly 3 seconds to power on and shoot, but more importantly, it needs an overlong 3.1 seconds for two sequential shots under well-lit conditions and 3.7 seconds if the flash is used. Its full-resolution continuous shooting speed is a comparatively low 0.5 frame per second. The camera does have a high-speed continuous, but the resolution drops to 2 megapixels.

Aside from the slow performance and lens deficiencies, the Casio Exilim EX-Z250 rewards by otherwise being a solid and fun ultracompact. If you can't overlook its issues, though, there are, of course, other budget options worth considering instead.

Shooting speed (in seconds)
(Shorter bars indicate better performance)
Time to first shot  
Typical shot-to-shot time (flash)  
Typical shot-to-shot time  
Shutter lag (dim)  
Shutter lag (typical)  
Casio Exilim EX-Z250
2.8 
3.7 
3 
0.5 
0.3 
Sony Cyber-shot DSC-W150
1.9 
3.7 
1.5 
0.9 
0.4 
Canon PowerShot SD880 IS
1.2 
3.2 
1.9 
0.8 
0.4 
Kodak EasyShare Z1085 IS
2.9 
3.2 
2.6 
0.7 
0.4 
Nikon Coolpix S230
3.5 
3.3 
3 
1 
0.5 

Typical continuous-shooting speed
(Shorter bars indicate better performance)

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