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DPChallenge Forums >> Hardware and Software >> Shutter cycle
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09/01/2006 07:07:20 PM · #1
sorry .. typo ... shutter cycle

ok i read this in specs somewhere describing shutter cycle to be somethin like 50,000 or something
what does that mean.. does that mean after 50,000 shots my rebel xt will be useless ??? Grrrrrrrr

how long would the rebel last... and is there a drawback for using contineous shooting mode ?

Message edited by author 2006-09-01 19:09:34.
09/01/2006 07:13:26 PM · #2
Originally posted by rami:

sorry .. typo ... shutter cycle

does that mean after 50,000 shots my rebel xt will be useless ??? Grrrrrrrr


No it just means that is what the shuitter is rated at. It can go much longer.

Originally posted by rami:


how long would the rebel last... and is there a drawback for using contineous shooting mode ?


Depending on your use I would say well over the shutter cycle and by then you will want an upgrade or something newer. Cause you will have a 8MP camera while everyone else is carrying a 40MP camera.
09/01/2006 07:23:30 PM · #3
thats good to hear rex,
also brings up somethin i was wondering about.. why is there two shooting modes: contineous/one shot... i always leave mine on contineous just in case in need to keep shooting.. why would someone intentionally use one shot mode... does that have a draw back ?
09/01/2006 07:33:13 PM · #4
If I am thinking right the one shot mode you are thinking about is with the AI Servo

One Shot - You cannot take an image unless it is focused and once focus is acheived it is locked.

AI Servo - The focus tracks the movement of the subject.

AI Focus - switches between the two above.

The are taken straight from the manual so I am not that smart Read the Manual.

And if you are talking about continuous shoot mode then your camera should recycle quick enough that you don't need to constently shot in continuous mode.
09/01/2006 07:38:49 PM · #5
sometimes multi shot is bad if you want to just take one shot in low light and don't want the extra wobnble of a) more than one shot, b) getting your finger off to stop the second shot firing.

pretty worrying that it could die after 50,000.

Mine has already gone back to zero on its file count so I guess thats about 10,000 shots gone by already.
09/01/2006 07:45:51 PM · #6
exactly, 50,000 is ridiculous .. you probably go through that in 2 years...

Message edited by author 2006-09-01 19:46:16.
09/01/2006 08:09:05 PM · #7
nice ... whoever fixed the topic... i guess the site council do a good job...
09/01/2006 08:12:22 PM · #8
The MTBF (Mean Time Before Failure) values are always conservative, but the universe does strive to achieve balance, so if you are lucky and get 90,000 cycles, then some other poor sod will have their shutter fall to pieces after only 10,000 cycles :)
09/01/2006 08:16:03 PM · #9
i would also think that this figure depends on the rate of use..
if you shoot 50,000 in 2 months then probably the mechanism will tend to fail before it reaches 50k.. but if you shoot your way throught the 50k in 5 years, i would say it will last even longer... those figures are discriminative of use/abuse ...
09/01/2006 09:04:28 PM · #10
Originally posted by rami:

i would also think that this figure depends on the rate of use..
if you shoot 50,000 in 2 months then probably the mechanism will tend to fail before it reaches 50k.. but if you shoot your way throught the 50k in 5 years, i would say it will last even longer... those figures are discriminative of use/abuse ...


Interesting.

The shutter mechanism is rated at 50,000 cycles before failure because Canon tested a load of them and, on average, they were able to get 50,000 clicks out of it before the unit would fail.

Mechanical parts are not aware of the passage of time. You shoot 50,000 shots in one day or over the course of ten years - assuming your mechanism behaves like the average Rebel shutter mechanism - the part is going to need to be replaced after those 50,000 shots.

There is no abuse involved. Moving parts eventually wear out, that's all there is to it. Now if you only shoot in sandstorms or something, that changes things a bit.
09/02/2006 02:01:21 AM · #11
is there a way to tell how many clicks the camera has? like is it embedded somewhere deep in the abyss of the firmware?
09/02/2006 04:43:50 AM · #12
jonPM, i think so .. i read somewhere in a forum that at canon they are able to find this information..
09/02/2006 06:02:04 AM · #13
equally important question. When the shutter mechanism dies, can something be doen or is the whole camera borked???

I guess its covered by warranty if it occurs in the first year?
09/02/2006 06:41:25 AM · #14
cbonsall : can be replaced by canon and canon alone for a 200$ ..
09/02/2006 06:42:09 AM · #15
at 1/3 the camera price, you can buy a new one .. and i bet thats what canon has in mind...

Message edited by author 2006-09-02 06:42:32.
09/02/2006 07:43:06 AM · #16
Originally posted by JonPM:

is there a way to tell how many clicks the camera has? like is it embedded somewhere deep in the abyss of the firmware?


Unless this has changed recently:

Canon have a way to tell how many shutter actuations the camera has on it for the Rebels and the consumer grade (10, 20 & 30D). For the 1 series you can download a piece of software someone wrote to pull data from an image and tell how many actuations the shutter has on it (Google CanCount).
09/02/2006 07:52:42 AM · #17
Originally posted by cerebis:

The MTBF (Mean Time Before Failure) values are always conservative, but the universe does strive to achieve balance, so if you are lucky and get 90,000 cycles, then some other poor sod will have their shutter fall to pieces after only 10,000 cycles :)


I had one fail at less than 1,000 shots, so somewhere out there, someone is getting a whole lot of extra life out of their camera.
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