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#11
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Small P&S Shutter Lag Times ?
http://www.cameras.co.uk/html/shutte...omparisons.cfm Unfortunately, the chart referenced seems to also consider flash recharge, and write to card, times. Not useful for answering the OP's question. It does not take flash recharge time, and write to card times into account. Look at the times. They are lightning fast for many cameras. Much faster than a camera can recharge a flash and write to a card. This comparison is for shutter lag only. The numbers are matched very closely to the numbers that you would have to manually look up at http://www.imaging-resource.com |
#12
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Small P&S Shutter Lag Times ?
Steve Cutchen wrote:
In article , Ron Hunter wrote: dennis@home wrote: wrote in message ... http://www.cameras.co.uk/html/shutte...omparisons.cfm They have an interesting definition of shutter lag. "The Shutter Lag Comparison Table shows the amount of time it takes each camera to record one shot and five shots" It is supposed to be the time taken from pressing the release until the shutter operates and has /nothing/ to do with how long it takes to record the image. The table appears to be meaningless as far as shutter lag goes. Anyway most cameras can operate faster if you turn off automatic white balance. It certainly slows mine down. The same is true of auto exposure but its more difficult to live without. Continuous auto-focus can also slow things quite a bit. I define 'shutter lag' as the time between full depression of the shutter button, and recording of the image. in memory... i.e. getting the shot. Yes. I'd agree. Unfortunately, the chart referenced seems to also consider flash recharge, and write to card, times. Not useful for answering the OP's question. Pre-squeezing reduced the shutter lag to zero, but at the sacrifice of locking in the AF and exposure. In some cases, not a bad compromise if you are careful at what scene you pre-squeeze. I have used that pre-focus/exposure to good purpose when scenes are backlit. |
#14
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Small P&S Shutter Lag Times ?
On Sun, 07 Jan 2007 13:52:19 -0600, Ron Hunter
wrote: wrote: http://www.cameras.co.uk/html/shutte...omparisons.cfm Unfortunately, the chart referenced seems to also consider flash recharge, and write to card, times. Not useful for answering the OP's question. It does not take flash recharge time, and write to card times into account. Look at the times. They are lightning fast for many cameras. Much faster than a camera can recharge a flash and write to a card. This comparison is for shutter lag only. The numbers are matched very closely to the numbers that you would have to manually look up at http://www.imaging-resource.com Sorry, but the second column of times are for 5 shots. Many of the cameras listed will not take 5 shots without writing to the card, and that is obvious in the times. Then the five shot column reflects the "real world" time of the particular camera. This hardly make the listing not useful. |
#15
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Small P&S Shutter Lag Times ?
wrote:
On Sun, 07 Jan 2007 13:52:19 -0600, Ron Hunter wrote: wrote: http://www.cameras.co.uk/html/shutte...omparisons.cfm Unfortunately, the chart referenced seems to also consider flash recharge, and write to card, times. Not useful for answering the OP's question. It does not take flash recharge time, and write to card times into account. Look at the times. They are lightning fast for many cameras. Much faster than a camera can recharge a flash and write to a card. This comparison is for shutter lag only. The numbers are matched very closely to the numbers that you would have to manually look up at http://www.imaging-resource.com Sorry, but the second column of times are for 5 shots. Many of the cameras listed will not take 5 shots without writing to the card, and that is obvious in the times. Then the five shot column reflects the "real world" time of the particular camera. This hardly make the listing not useful. If the intention is to figure out which cameras can take 5 pictures the fastest, it is, indeed, useful, but for purposes of assessing the quality of a camera's shutter lag, the second column IS useless. The first one is much more pertinent. |
#16
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Small P&S Shutter Lag Times ?
wrote in message
... http://www.cameras.co.uk/html/shutte...omparisons.cfm Thanks to everyone who replied. This table was very interesting - though the main point it seems to make is just how awful the lag is for all the cameras listed. Well, my friend has her new toy now and is very pleased with it: a Ricoh Caplio R4. This met her requirements well, and testing one 'hands on' it had much shorter lag times than the others we looked at. The oft repeated advice to pre-set focus and exposure with a half press, incidentally, isn't a complete answer (if it was, I wouldn't have asked the question in the first place...) since there is still quite a lot of lag with all these cameras even then - the Canon Ixus 65 and Panasonic DMC FX07 being particularly bad in this regard when I tested them, for example. Thanks again, Peter |
#17
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Small P&S Shutter Lag Times ?
technique. Pre-squeezing to set focus and exposure... then waiting for the shot. Release of the shutter from this point is instantaneous. No it is not. Recently a lot of camera's have reduced the shutterlag for pre-squeezing (pre-focussing and ae) to about or under 1/10 of a second. But not to long ago there where camera's which to more than 3/10 of a second using pre-focussing (or even over a second). The fastest I have seen is 0.06 seconds. Which is still not instantaneous, but getting close. I believe that the fastes DSLR now manages in 0.035 seconds. Old SLR's used to have a shutterlag of around 0.05 seconds, fastest was a special constructed canon with a shutterlag of 0.008 seconds. 1/10 of a second is for a lot of situations still noticeble, but it is a real improvement from the shutterlag of most camera's a few years ago. ben |
#18
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Small P&S Shutter Lag Times ?
In article ,
Steve Cutchen wrote: The only real effective way to account for shutter lag in a P&S is technique. Pre-squeezing to set focus and exposure... then waiting for the shot. Release of the shutter from this point is instantaneous. Maybe it is on *your* camera but it certainly isn't on mine. They only way I've been able to deal with the problem is by pushing the release button early and that's pretty much a guess. -- http://yosemitephotos.net/ |
#19
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Small P&S Shutter Lag Times ?
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#20
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Small P&S Shutter Lag Times ?
I have been asked to help buy a compact digital camera, and am
currently, with the intended purchaser, making our shortlist of models to look at based on published spec.s and reviews. But as we all know, published spec.s very rarely say anything about shutter lag... Only if you're not looking in the right place. DPReview gives the lags times on all it's full reviews. But not on its searchable comparison table. Are we supposed to scan reviews for every camera in creation to find this out? This is THE most important feature for me - my usual axes are an ancient Leica rangefinder and a TLR, I even find film SLRs rather slow. Second is an optical viewfinder (I'm too presbyopic to use a screen). Third is low-light performance. I don't give a monkey's about pixel count or zoom and I want the thing to be cheap as it'll be going to some fairly rough places and might well not be coming back. Doesn't need to be new. What is there? I've never owned a digital, but I've borrowed a few reasonably expensive point & shoots from friends and they all had unusably slow response times for anything I wanted to do. ============== j-c ====== @ ====== purr . demon . co . uk ============== Jack Campin: 11 Third St, Newtongrange EH22 4PU, Scotland | tel 0131 660 4760 http://www.purr.demon.co.uk/jack/ for CD-ROMs and free | fax 0870 0554 975 stuff: Scottish music, food intolerance, & Mac logic fonts | mob 07800 739 557 |
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