My wife is an avid shell collector and I often photograph what she finds for record keeping and to help her identify the species. The size varies a lot, so the camera to object distance changes often during a shoot. Every time there is a change in position, the exposure has to be re-determined using manual corrections (trial and error). With TTL metering the exposure compensation does not change unless the camera to object distance changes a lot (more than a foot). The situtation with running full manual with digital is not impossible, but it is a pita to have to make so many changes to the exposure settings.
On 12/11/06, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > I'm not a heavy flash user ... > > With a film camera, having TTL flash metering was useful, without it > one tends to waste a lot of film. > > With a digital camera, a fully manual flash seems perfectly fine: I > shoot a couple of test frames, check them with the histogram, and > just leave those settings in place. I usually remember them easily > and just set the camera for similar situations when next I pick up > the flash unit. I use the same Sunpak 383 but most often leave it in > manual, non-metered mode and just set up the exposure with the power > control and aperture. I can't see how this is difficult for when one > might need a ring flash ... What situation are you shooting that > doesn't allow a couple of test exposures? > > Where a dedicated flash would be most useful for me is for changing > daylight: I could dial in -1.5 to -1 EV flash compensation and let it > work the fill requirements nicely. That's why I have the Pentax > AF540FGZ on my B&H wishlist, but haven't punched the button to order > it yet. > > G > > > On Dec 11, 2006, at 7:58 AM, Perry Pellechia wrote: > > > It is common knowledge that the K10D does not have the capability to > > do TTL flash metering. While there are options to buy dedicated PTTL > > strobes for mounting on the hotshoe, there are no options currently > > for a PTTL ring flash. > > > > I do not use flash very much and for general work my Sunpak 383 in > > "auto" mode does a decent job. However, I used Sunpak Auto DX-12R > > Ringflash with the PT-2D Pentax TTL module for a lot of close up work. > > It does not have an Auto mode, nor would that really work for close > > up work. So I am stuck using it in full manual mode and adjusting > > each exposure by trial and error. > > > > I have asked the folks at Sunpak (ToCAD) via email if they are > > planning on a PTTL module, but have not gotten a response yet. Anyone > > know if Pentax is planning on selling a PTTL capable ring flash? > > > > I guess this is one reason to keep the *istD. For extreme close up > > work it required dialing in quite a bit of exposure compensation but > > was fairly consistent after initial adjustment. > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- <----------------------------------------------------> Perry Pellechia Primary email: [EMAIL PROTECTED] Alternate email: [EMAIL PROTECTED] Home Page: http://homer.chem.sc.edu/perry <----------------------------------------------------> -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
