Kendall Helmstetter Gelner

Lives in United States Denver, CO, United States
Works as a Photographic Product Developer
Joined on Dec 30, 2002
About me:

Working on Photography and Photographic software.

Proud member of the International Sigma Users Group

Kendall Helmstetter Gelner's recent activity

  • With the SD-1 I found often on subjects like that, I would really have to focus on the base of the wheels or else it would pick up and lock onto the grass in the background. It is pretty amazing ...
  • Being a smaller company Sigma does a really good job with repairs, so I'd expect the refurb units to be pretty good also.  But as with any lens, take some test shots right after you get it to make ...
  • Probably, note you may want to adjust in-camera processing settings if you are doing that (like turning up the tone compression stuff). ISO 100, either single or SFD mode if the camera and subject ...
  • Replied in Tiny Alien
    That is a really cool looking spider!  It is too bad you didn't have more of a macro but that is impressive even just from the crop, and probably has more DOF anyway... I also wonder why it has ...
  • Replied in Great points
    Many people here do not seem to realize that Quattro processing has improved significantly since launch, although it may not gain as much I'm sure we have not seen the last of Quattro improvements.
  • Because you were doing this based on the posted JPG files, this says a lot more about how the images were processed than about the fundamental abilities of both sensors. It could easily be with a ...
  • It works that way with other camera makers but not with Sigma.  They charge a price they think is proper for the product and then it stays there, until at least a newer camera comes out (the SD1 ...
  • The AF speed for single shots seemed pretty good ( I was using it on boats on a river OK, with some pre-focusing but I could do that quickly). I'm not really sure how well the continuous AF works ...
  • I just added a number of my own samples to the gallery, mostly processed from DNG - below are a few of the ones  liked best. I was also really impressed with the lens, although I have not finished ...
  • In the very first image, the Quattro shot is simply softer or not focused the same... but in all cases remember the Quattro has a  wider field of view to cover, with more pixels... did you not ...
  • I don't see how you can say the detail magic is gone.  In the red bricks, in the slate tiles, it the tress in the background, in all these things I can see more texture in the H shots than in the ...
  • I think you did a great job with comparison, but I think comparing the edges of a 35mm lens to a 50mm lens is a bit unfair (though I though the 35mm would be a little better at the corners). One of ...
  • Replied in True, but...
    I'm sure that's true, but they probably don't sell that many Mac Pros either, and the are re-doing that along with making a $5k iMac Pro. The situation around Apple laptops is unique, because ...
  • Replied in Still like both
    I love and still use the DPQ cameras - particularly the DP0Q and DP3Q. When I travel, my favorite combo is to bring a DPQ0 and the SDQ with longer lenses. I'm debating about wider lenses for the ...
  • Because hard drives WILL fail. Sometimes over time data will get corrupted. Sometimes entire drives fail. It's not a question of if, but when... I copy everything to a new drive every few years ...
  • If you use the calculator it is not, but if you actually calculate the figures yourself it is cheaper - the calculator claims 4TB would cost $465/year to store, but calculating ($0.004 * 1000(GB)) ...
  • If you look at the individual shots in an SFD, the very last few shots with the greatest exposure time seem like they can be omitted as they are usually almost totally overexposed, plus often you ...
  • I say, why limit yourself to smaller stops? For those that like super-bracketing, +2ev could be really interesting... I would like to see stop adjustments in 1/3 increments though.
  • You can tell Dropbox not to sync some folders on any particular device you are on... the iOS app doesn't download anything without being told to. I think the default for desktop clients is to ...
  • Because then it will be there if your house burns down, or is burglarized, or (most likely) your drives fail. A cloud service is a great idea to house important images *in addition* to local ...
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Total messages 19623
Threads started 315
Last post 5 days ago
Total comments 134
Total likes 151
Last post 2 months ago
Total reviews 0
Entries 11
Votes cast 79
Last entry Dec 10, 2010
Photos uploaded 7
Last upload Dec 10, 2010