Olympus C-700 UZ Review
Timings & File Sizes
Overall the C-700UZ is pretty quick, with a good internal buffer which means you won't be waiting around for it to write images away before taking the next shot. Noticeably the autofocus is showing it's age ranking now as only Average to Slow. Shot to shot times are noteworthy for their speed.
Timing Notes: All times calculated as an average of three operations. Unless otherwise stated all timings were made on a 1600 x 1200 SHQ JPEG image (approx. 1.0 MB per image).
|Power: Off to Record||7.5||Lens takes 3.8 secs|
|Power: Off to Play||2.8||Image loading *1|
|Power: Record to Off||4.7||Lens retract|
|Power: Play to Off||<0.5||Lens already retracted|
|Mode: Record to Play||1.0||Image loading *1|
|Mode: Play to Record||1.6|
|Play: Magnify||Per zoom level||<0.5|
|Rec: Thumbnail view||3 x 3 thumbnails||1.5|
|Auto Focus LAG||0.9 - 1.4||Average to Slow|
|Shutter Release LAG||0.1||Fast|
|Off to Shot Taken||6.6||Average|
|Shot to Shot||1600 x 1200 JPEG SHQ||2.7||Very Fast|
|Shot to Shot||1600 x 1200 JPEG HQ||2.1||Fast|
|*1||Screen goes black and information about the image is shown, about a second or two later the image itself is shown, you can interrupt the rest of the loading process by pressing the left or right cursor.|
Continuous drive mode
The table below shows the results of our continuous shooting test, indicating the actual frame rate along with maximum number of frames at a selection of image resolution / quality settings and how long you would have to wait after taking the maximum number of frames before you could take the next shot.
|Image Type||Frames per sec||Max no. of frames||Wait before
|1600 x 1200 SHQ||1.7||3||6.1||6.1|
|1600 x 1200 HQ||1.8||7||3.8||8.5|
|1280 x 960 SQ Normal||1.8||12||3.5||9.4|
|1024 x 768 SQ Normal||1.8||19||3.1||11.1|
|640 x 480 SQ Normal||1.8||44||3.1||17.2|
* The C-700UZ allows you to take a frame as soon as there is space for it in the internal buffer.
In some cases (1024 x 768 / 640 x 480) images are being flushed out of the buffer almost as quickly as they're being shot by the camera, this means that the max no. of frames for those timings doesn't necessarily represent the size of the buffer but rather at what point it's "saturated".
Unlike the C-3030Z/C-3040Z the C-700UZ implements a "After Image Processing Buffer" which means that the images are buffered after being converted from the RAW CCD data to final image format (JPEG/TIFF). This means that selecting lower compression settings or smaller image sizes can gain you additional burst shots.
File Flush / Display Timing
Timings shown below are the time taken for the camera to process and "flush" the image out to the SmartMedia card, the timer was started as soon as the shutter release was pressed (shutter click was heard) and stopped when activity indicator LED beside the storage compartment went out. This means the timings also include the cameras processing time and as such are more representative of the actual time to "complete the task".
Note that these timings are for reference only, the C-700UZ doesn't stop you from taking the next shot (unless you use TIFF format), it implements a buffer which can write to the storage card in the background while the rest of the camera can continue shooting as normal.
|Store file of type||Time
on a 64 MB
|1600 x 1200 TIFF||26.5||22.3||9,231 KB||6|
|1600 x 1200 SHQ JPEG||4.8||3.4||~1,800 KB||35|
|1600 x 1200 HQ JPEG||2.8||1.7||~750 KB||85|
|1600 x 1200 SQ JPEG High||3.8||2.4||~1,100 KB||58|
|1280 x 960 SQ JPEG High||3.1||1.5||~600 KB||106|
|1024 x 768 SQ JPEG High||2.8||1.3||~530 KB||120|
|640 x 480 SQ JPEG High||2.1||0.8||~240 KB||266|
* All file sizes are an average of three files. As is the case with JPEG it's difficult to predict the size of an image because it will vary a fair amount depending on the content of the image (especially the amount of detail captured). For example, take a photograph of a fairly empty wall and you'll get a small JPEG, take a photograph of a bush with a lot of detail and you'll get a larger image. File sizes here are closer to the later, the larger size of file you should expect.
We carried out or new battery test routine on the C-700UZ with a set of 4 GP 1600 mAh AA batteries.
- Take 4 shots without flash
- Wait 2 minutes (50% of the time powering the camera off)
- Take 1 shot with flash
- Wait 1 minute
All batteries had been fully discharged and recharged before the test and all cameras were reset to their factory default settings.
|Camera||Battery||Power||Battery life||Number of shots|
|Canon Digital IXUS 300||NB-1L||2.5 Wh||1 hr 26 mins||155|
|Nikon Coolpix 990||4 x AA NiMH 1600 mAh (GP)||7.7 Wh||2 hr 30 mins||255|
|Nikon Coolpix 995||EN-EL1||4.8 Wh||2 hr 30 mins||255|
|Canon PowerShot G1||BP-511||8.1 Wh||3 hr 00 mins||300|
|Sony DSC-S75||NP-FM50||8.6 Wh||3 hr 15 mins||330|
|Olympus C-700UZ||4 x AA NiMH 1600 mAh (GP)||7.7 Wh||4 hr 03 mins||410|
An excellent performance from the C-700UZ, no doubt helped by its aggressive power saving features, the main LCD switches itself off after a few seconds of inactivity and is 'awoken' when you half-press the shutter release.
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