Sorry. The sentence should have read: Interesting that Boris suggests that a good rule of thumb is two EV down from the max ISO.
Oy. On Wed, Sep 1, 2010 at 2:17 PM, Steven Desjardins <drd1...@gmail.com> wrote: > Yes, I remember Tri-X at ISO 400. All I could afford as a 15 year old > kid and I developed it all myself. Interesting that Boris suggest > that a good rule of thumb is EV down from the max ISO. So that puts > the K7 at 1600 and the Kx at 3200. I found an interesting article at > http://www.imaging-resource.com/PRODS/K7/K7A.HTM . It's a K7 review > but has many samples of images at high iso on different cameras, one > of which was the E-P1. It appears that the E-P1 has better high ISO > detailing than the K7, although a lot of this is judgement. > > On Wed, Sep 1, 2010 at 11:16 AM, Paul Sorenson <allarou...@earthlink.net> > wrote: >> It is kind of mind boggling. When I got my first SLR in the early 1960s >> High Speed Ektachrome, at ASA 160, was a big step up in speed. :-) >> >> On 9/1/2010 9:53 AM, Steven Desjardins wrote: >>> >>> I freely admit that I don't think I am really understanding the >>> implications of ISO 12,800. It's like a person being 20 ft. tall. >>> My mind has trouble associating that number with that property. I >>> noticed that one high end Nikon had a max sensitivity of 102,400. >>> That's like trying to grasp an f0.1 aperture. It makes mathematical >>> sense in terms of EVs but I never thought I would see such a thing. >>> >>> On Wed, Sep 1, 2010 at 12:25 AM, Paul Sorenson<allarou...@earthlink.net> >>> wrote: >>>> >>>> Here's another K-X example if you need low light capabilities. Pretty >>>> much >>>> a straight import into LR3 - at ISO 12,800. The noise isn't >>>> objectionable >>>> at normal viewing. (K-X, fa80-...@320mm,1/1...@f5.6) >>>> >>>> http://www.studio1941.com/photos/content/IMGP0631_large.html >>>> >>>> -p >>>> >>>> On 8/31/2010 1:34 PM, Bruce Dayton wrote: >>>>> >>>>> One big difference for me was that with the K20 and earlier I really had >>>>> to have good conditions (lighting, processing, etc) to make a high >>>>> ISO shot reasonable. For instance, when shooting weddings I could >>>>> take a couple of shots with the 50/1.4 lens close to wide open and no >>>>> flash, then process to remove ugly color cast and grain, etc. The >>>>> resulting image would possibly even need to be turned to B&W. >>>>> Basically, this meant that the shot was not the norm, but the >>>>> exception. >>>>> >>>>> With the K-x, it is totally changed. Straight out of the camera, ISO >>>>> 6400 is looking quite good - no extra work. So now I have shot >>>>> entire receptions with no flash and no heavy post processing. Even >>>>> more so, simple snaps of the family in situations where I would have >>>>> used a flash in the past, I no longer need to. Gathered around the >>>>> dinner table talking in the evening or playing a game or one of the >>>>> kids receiving an award at school, etc. The ability to shoot >>>>> consistently at high ISO (1600+) is a real game changer. >>>>> >>>>> ISO 6400, 85mm Soft Focus lens, no post processing, shot right after >>>>> dinner: >>>>> http://www.daytonphoto.com/PAW/imgp1200-1.htm >>>>> >>>>> I would never have thought to take that kind of shot in the past. >>>>> >>>>> >>>>> That is why I am saying to try the K-x and really see how different >>>>> you start shooting and thinking. When I got mine, it was only to >>>>> shoot a gymnastics sporting event - that covered the cost for me. It >>>>> turned out to be just the tip of the iceberg. >>>>> >>>>> Here is a shot from a reception - fairly dim lighting - ISO 6400 - >>>>> pretty much no post processing: >>>>> http://www.daytonphoto.com/PAW/hoffman_00295.htm >>>>> >>>>> With flash, the shot would not be the same. This is the kind of >>>>> thing I am talking about. Not really thinking about how you shoot >>>>> today, but really thinking outside of the box. For me, the K-x was >>>>> really a game changer in thought process and fun. Prior to that, >>>>> pretty much the old thought process all the way back into my film >>>>> days. >>>>> >>>>> "If you always do what you've always done, you'll always get what >>>>> you've always got." >>>>> >>>>> Time to change it up and see what this Brave New World is offering. >>>>> >>>>> >>>>> >>>>> >>>>> No virus found in this incoming message. >>>>> Checked by AVG - www.avg.com >>>>> Version: 9.0.851 / Virus Database: 271.1.1/3104 - Release Date: 08/31/10 >>>>> 01:34:00 >>>>> >>>> >>>> -- >>>> 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. >>>> >>> >>> >>> >>> >>> No virus found in this incoming message. >>> Checked by AVG - www.avg.com >>> Version: 9.0.851 / Virus Database: 271.1.1/3106 - Release Date: 09/01/10 >>> 01:34:00 >>> >> >> >> -- >> 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. >> > > > > -- > Steve Desjardins > -- Steve Desjardins -- 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.