OK, but in this this case, listers will be hoping to make a realistic judgment of the lens' practical performance.
J Sent from my iPhone > On Dec 15, 2015, at 2:37 PM, Paul Stenquist <[email protected]> wrote: > > I’ve found that K3 images in general require very little sharpening, > depending on the lens of course. This seemed particularly true in comparison > to K5 images. However, I always do some sharpening when working on a photo > for presentation. I work for a best subjective look, but do it at 100% on my > 2560 x 1440 monitor. But for testing purposes, I don’t sharpen. That’s > particularly important when shooting for fine focus adjustment. Being able to > clearly differentiate the difference in sharpness is helpful. Here, I wanted > to see exactly what the lens and sensor could accomplish on their own. That > being said there’s some default sharpening in a photoshop RAW conversion. > Mine is set at Adobe’s default value, whatever that may be. >> On Dec 15, 2015, at 5:02 PM, Jack Davis <[email protected]> wrote: >> >> Paul, >> I recall your mentioning not having done any sharpening to the 150-450 >> examples you posted. >> I think that some moderate sharpening certainly and even a tad of ERC >> "clarify" would be >> reasonable and more realistic. >> I believe it's intended that digital images be sharpened. >> >> J >> >> ----- Original Message ----- >> From: "Paul Stenquist" <[email protected]> >> To: "Pentax-Discuss Mail List" <[email protected]> >> Sent: Monday, December 14, 2015 1:03:01 PM >> Subject: DFA 150-450, first impression >> >> The 150-450 zoom arrived today. It’s dark and gloomy in Michigan and raining >> intermittently, so I resisted the urge to go looking for birds and instead >> set the fine focus adjustment, then took a couple of sample pics. My tests >> showed the lens was back focusing a bit, and a +4 setting brought it right >> in throughout the range. It’s built like a tank, there’s no wobble or >> looseness, and the zoom is as tight as any lens i’ve ever owned. (One >> reviewer mentioned zoom creep. If that ever was a problem, it’s definitely >> been resolved. You have to expend a fair amount of effort to change the >> focal length.) I shot some dead ferns off a tripod at 450mm, ISO 3200, f5.6, >> 1/60th. >> >> http://photo.net/photodb/photo?photo_id=18141845&size=lg >> >> Here’s a 100% crop of the area where I placed the focal point >> >> http://photo.net/photodb/photo?photo_id=18141846&size=lg >> >> Very pleased thus far. Can’t wait to try it out on some birdies. >> >> Paul >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> 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 >> [email protected] >> 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 > [email protected] > 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 [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
