We’re looking at a low-res image here folks. It’s not really possible to determine sharpness based on such feeble evidence.
> On Apr 19, 2017, at 12:17 PM, Alan C <c...@lantic.net> wrote: > > The twigs on the tree & the shrubs are all look sharp. > > Alan C > > -----Original Message----- From: P. J. Alling > Sent: Wednesday, April 19, 2017 6:07 PM > To: Pentax-Discuss Mail List > Subject: Re: Everything Old is New Again > > It could be the lens or it could be a phenomenon I and others have > noticed, and that has been commented on in other places, that sometimes > a digital image will have no zone of absolute sharpness, you did > everything right but there isn't anything in the photo that is actually > in sharp focus. Shutter speed is high enough lens is stopped down if > not it's optimum at least not to the point where diffraction begins to > really effect the image, but still noting is sharp. > > I don't know of any theory that explains this, but it's been noted. I > probably saved a bookmark to the discussion, but that was a few years > ago, and I've since upgraded everything twice so a lot of things that > didn't seem to be important got lost. > > > On 4/19/2017 10:25 AM, Igor PDML-StR wrote: >> >> Jay, >> When I looked at the photo, "wow!", I was impressed with the colors and the >> composition. >> >> But then I realized that something was bothering my eyes. >> At first I thought that the photo was oversharpened. But when I looked >> closely, I realized that the tree flowers are not sharp. >> Actually, I am having hard time finding where the focus is. Either it is >> back-focused, or you have a motion blur... (or something is out of whack >> with the lens). >> There is also a possibility that it is overcompressed with JPEG processing. >> >> Igor >> >> On Apr 18, 2017, at 11:27 PM, Jay Taylor wrote: >>> >>> A couple weekends back I made my annual visit to our local historical camera >>> collectors swap meet in hopes of finding a K version of the SMC 28/3.5. I >>> wasn't that lucky (I usually find a gem there), but I did find an M 28/2.8 >>> and a K 50/4 Macro. I shot a few images with the 50 on my Sony A7II and was >>> pleasantly surprised at the quality of this 1970's era lens. Here's one of >>> the shots taken at Seattle's Washington Park Arboretum. >>> JayT >>> >> https://photos.smugmug.com/Nature/Wildlife/i-85mHthv/0/XL/IMG_5310-XL.jpg >>> >>> >> > > > -- > 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. > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > > -- > 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.
