----- Original Message ----- From: "Bruce Dayton" <[EMAIL PROTECTED]> To: "Brad Dobo" <[EMAIL PROTECTED]> Sent: Sunday, October 27, 2002 3:25 AM Subject: Re[2]: Ok, the most stupid question from someone who should know better (ie HELP NEEDED)
> Brad, > > The general rule of thumb for hand holding is 1/focal length. So if > you are shooting a wide angle lens, slower than 1/60 should be doable. > You should practice a bit and check your results to make sure. You > should always be congnizant of the DOF of the image you are taking. By > being in control of your aperture, you can affect the focus area as > you desire - many times for single people you want shallow DOF, but > for larger groups you deep DOF - got to make sure nobody is too soft. > > The general issue for high speed flash synch is for daylight flash > fill. The sun is quite bright and shooting at a slow flash synch may > not be possible or would give such a deep DOF as to destroy the > desired image. By having a higher synch, you have more opportunity to > control your DOF. > > > Bruce > > > > Sunday, October 27, 2002, 1:15:25 AM, you wrote: > > BD> Thanks for the reply Bruce, > > BD> Ok, let's see if I'm following so far. What I explained in my email about > BD> the behaviour of the camera and flash is completely normal?I'm glad for the > BD> info on the older cameras and TTL. I totally understand the flash results. > > BD> Ok, now the harder part. Ok, wide aperture, more available light in. Got > BD> it. Is that acceptable? DOF would not be good if you had say, fast film, a > BD> powerful enough flash, and a big area you wanted to capture. So at that > BD> point is it normal to set the aperture you want? From all I've heard and > BD> read, generally you don't want to hand-hold below 1/60s, should I be able to > BD> hand-hold, with confidence, a shutter speed of 1/30 with flash (as flash > BD> does freeze some motion)? I just don't know, it seems everyone finds a > BD> higher shutter-sync speed to be better, with the MZ-5n it was 1/100, > BD> considered sort of bad, and the MZ-S has 1/180, better, but not like some > BD> that have 1/250 or 1/500. I guess you can see I'm a little uncomfortable > BD> shooting at a low speed. And am shy when it comes to flash. I generally go > BD> a bit overboard in any situation. Or am I still missing the point about the > BD> ambient light? > > BD> Brad > > BD> ----- Original Message ----- > BD> From: "Bruce Dayton" <[EMAIL PROTECTED]> > BD> To: "Brad Dobo" <[EMAIL PROTECTED]> > BD> Sent: Sunday, October 27, 2002 2:13 AM > BD> Subject: Re: Ok, the most stupid question from someone who should know > BD> better (ie HELP NEEDED) > > > >> Brad, > >> > >> Just so you know, in the old days, TTL was kind of poor. The reason > >> was that flash synch speed was always used automatically by the > >> camera's program setting. This generally meant that your flash > >> pictures ended up with the subject well lit but the background > >> somewhat blacked out. In more recent years, Pentax, among others, has > >> changed the program so that it will try to use the slowest hand > >> holdable shutter speed it can based on the focal length of the lens > >> attached. By doing this, you let in as much ambient light as possible > >> and use as little flash as possible to get a properly exposed image. > >> The net result is that the backgrounds are not blacked out, but appear > >> more natural and less like a flash picture. This is a good thing. You > >> had to kind of manually do that on the old SuperProgram body because > >> it always wanted to set the camera to 1/125 even though you had a > >> fairly wide angle lens on that could of been held at 1/30. > >> > >> Hope this makes sense. > >> > >> > >> Bruce >
