Meter readings are damned near instantaneous, they take a fraction of a second. The camera is still relying on the half-press to activate the meter, but by the time you've finished pressing the shutter, you've got a good meter reading.
AF and IS/SR are slower, which is why the delay is noticable with them. -Adam J. C. O'Connell wrote: > I dont belive you are correct on this. You can just > press the shutter button fully and quickly on nearly > all Pentax film cameras and get the correct exposure > on automatic modes without having to do the slow > half press nonsense. The meter/AE response is very > fast and doesnt need any "warmup" via half pressed > shutter release pushing. This is with no AF or AF > turned off. On older cameras that had needle meter > movements, the needle was slow but not the metering. > The only exception to this was some of the units > that had CDS meter cells and you were working in > very low light down near the very bottom of the meter > range... > jco > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > Adam Maas > Sent: Saturday, December 02, 2006 11:27 AM > To: Pentax-Discuss Mail List > Subject: Re: Some random thoughts on my K10D > > > It's not instant, the meter comes on, grabs the first reading it can and > > uses that. This is common to most cameras that do AE. > > You don't notice as it does this as soon as the shutter passes the > half-press point as you are depressing the shutter all the way. AE only > takes a fraction of a second. > > AF bodies need the half-press to AF anyways, especially if you've got it > > in focus priority and AF-S (if that's configurable on the camera, > although focus priority is typically the default for cameras which do > not permit a choice between focus priority and release priority). Any IS > > technology needs a couple seconds to initially stabilize. > > > > J. C. O'Connell wrote: >> I dont beleive you need to half press the >> shutter button to activate the meter on >> auto expose modes, its >> instant isnt it? i.e you can just shoot >> whenever you want, no waiting for meter >> or need for half shutter presses. >> No Pentax film camera ever needed you >> to half press the shutter on any auto exposure >> modes as far as I know. >> jco >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf >> Of David Savage >> Sent: Saturday, December 02, 2006 10:20 AM >> To: Pentax-Discuss Mail List >> Subject: Re: Some random thoughts on my K10D >> >> >> On 12/2/06, J. C. O'Connell <[EMAIL PROTECTED]> wrote: >>> I said you should be ABLE to turn off the >>> few second delay for SR. I didnt mean >>> that its on all the time. I meant you >>> should be able to activate it constantly when >>> you want to and be able to shoot instantly >>> if needed without any half shutter presses >>> or waiting a few seconds to shoot. >> Fair enough. >> >> But you have to half press the shutter button to activate the meter >> anyway (you have to option of having the meter on for 3, 10 or 30 >> seconds). >> >>> Does the few second wait for SR start all over >>> again if you expose a photo and/or release >>> the shutter button momentarily? >> As long as you keep the shutter half pressed after taking a shot SR >> stays on. If you take your finger of the shutter then you have to wait > >> for SR to kick in again. >> >> Dave >> >>> -----Original Message----- >>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf >>> Of David Savage >>> Sent: Saturday, December 02, 2006 9:44 AM >>> To: Pentax-Discuss Mail List >>> Subject: Re: Some random thoughts on my K10D >>> >>> >>> If you've got the camera switched on and it's swinging from you >>> neck/shoulder etc. as your walking around, what's the point of having > >>> the camera constantly compensating for this movement when there is no > >>> need to. >>> >>> In operation it's not so bad. You just keep the shutter release half >>> pressed and at the decisive moment fire away. >>> >>> Dave >>> >>> On 12/2/06, J. C. O'Connell <[EMAIL PROTECTED]> wrote: >>>> That sucks if its true, probably >>>> done to save battery charge.....That should >>>> be able to be turned off and shoot >>>> at will with SR if you like IMHO. > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
