Well, nothing is very sharp with f:22 and K10D as diffraction is dominant, but most things are sharp at f:11. My problems wtih the lens were at f:4-f:8. Apart from that I agree that the mechanics of the A24-50 is very good and that it is smaller than DA*16-50.
DagT Den 11. mars. 2008 kl. 18.55 skrev J. C. O'Connell: > that's good to know but are you talking much sharper > at F11-F22? I cant see how there would be a big > difference in that range, the A24-50 is really good > in that range on digital size sensor. The A24-50 is > also much smaller and lighter tha the 16-50 > isnt it? That matters to me when the camera is hanging > on my neck for long periods... > jco > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of DagT > Sent: Tuesday, March 11, 2008 12:21 PM > To: Pentax-Discuss Mail List > Subject: Re: GREAT "general purpose" Zoom for the Pentax DSLRS? > > > I tried the A version on K10D this summer. I´ve had it since the mid > 80s and it has been great with film, but compared to my primes in that > range it wasn´t not sharp enough for my use on K10D. My DA*16-50 is > much better. > > DagT > > Den 11. mars. 2008 kl. 04.22 skrev J. C. O'Connell: > >> Did you have the A version or the F version? I have had both and my A >> version is better than the F which I sold. Dont forget, I am talking >> about >> near >> range >> usage and at small fstops like 11-22 because the flash is powerful >> enough >> to allow those stops even at iso 200. I have no idea if its any good >> at >> infinity >> or anywhere near wide open, but if used like I am using it, its damn >> nice, >> not too expensive, and good build quality too.( I ususally dont like >> most >> A lenses in terms of build, but this one aint bad.) >> jco >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf >> Of Adam >> Maas >> Sent: Monday, March 10, 2008 10:56 PM >> To: Pentax-Discuss Mail List >> Subject: Re: GREAT "general purpose" Zoom for the Pentax DSLRS? >> >> >> Tried one out at one point. It was alright, but not any better than >> the >> 18-55 DA in its range, larger, heavier, harder to manual focus due >> to lack >> of contrast wide open at 24mm. Wasn't much impressed with it on >> digital. Of >> course, I may have had a bad sample. >> >> -Adam >> >> On 3/10/08, Walter Hamler <[EMAIL PROTECTED]> wrote: >>> Never seen that particular lens. I had a 35~105 years ago that I >>> really liked except it was pretty heavy. My biggest problem is at >>> my >>> age the AF is almost a requirement anymore :-) >>> >>> Walt >>> >>> >>> On 3/10/08, J. C. O'Connell <[EMAIL PROTECTED]> wrote: >>>> I have been using for about a month now the SMC PENTAX-A 24-50/4.0 >>>> Zoom almost exclusively ( mostly product photos for ebay on > >>> tabletop ) on my *istDS DSLR. Its a two ring zoom so you never > >>> get >>> any annoying "zoom creep" and it holds focus perfectly > when >>> zooming. The F4 speed is a little slow but the lens is so > >>> contrasty >>> that its easy to focus at 50mm ( I use a split image > screen - >>> third >>> party model - in my *istDS ). Anyway, after you > figure in the >>> 1.5X >>> lens factor you are left with a 35mm SLR > equiv of 36mm to 75mm >>> which is a very versatile "super normal" > lens. This model is >>> extremely contrasty, great color saturation, > and freedom from >>> flaring. It works beautifully for tabletop > product photography. I >>> have never needed wider or longer, as it > has a pretty decent >>> magnification at 50mm and min focus. The constant > aperture (F4 >>> thru >>> the zoom range) is great when using manual full > power flash >>> like I >>> like to do. > >>>> Anyway, if you do a lot of ebay or similar product photography for >>>> web, >>>> I recommend this lens very highly. Much more versitile than a >>>> prime or macro 50mm with the 24m capability. >>>> >>>> I must add I have never used the stock 18-55mm that was sold >>>> with the camera, but I doubt it can match this lens, let alone >>>> beat it. Maybe it can? Anyone ever compared the two in the 24-50mm >>>> range? >>>> >>>> jco >>>> >>>> > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above > and follow the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
