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Thread: Sigma DP1

  1. #301
    DP1User
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    Re: Sigma DP1

    Nice, I've experimented a bit with ISO 50, thinking that I would love it, but I haven't found it all to useful yet, unless you want to increase shutter time for a long exposure shot. I can't see difference between noise in a ISO 100 or 50 shot plus the highlight clipping has killed me a couple times. I know you can pull shadows more but I'm usually more concerned about the highlights.

    Where have you find ISO 50 useful?

    I don't even find ISO 800 all to bad, here is a crop at 100% at 800 looks pretty dang good to me!

    http://www.pbase.com/dp1user/image/99107044

  2. #302
    Senior Member DavidE's Avatar
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    Re: Sigma DP1

    I haven't found ISO 50 to be useful either. To my eyes, it doesn't look that different. I figured I would use ISO 50 on this past trip and then compare the results with previous ISO 100 photos. So far, I don't see a significant improvement. I might try shooting the same scene with both settings and eyeball the differences.

    That ISO 800 shot looks fine to me. I've been avoiding the setting. I'll give it a try.

    I've had mixed results with ISO 400, though this one of the Wynn hotel lobby came out well.

    [You may have to hit the refresh button if it doesn't load the first time.]



    ISO 400, f/4, 1/30 second
    Last edited by DavidE; 23rd June 2008 at 11:54.

  3. #303
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    Re: Sigma DP1

    Ok well I'm not alone. I didn't see how there could less noise since there is virtually none at ISO 100 now. My only thought is to use is like a built in ND filter just to increase shutter times. I might try it on some star trail photos for just that reason.

    The ISO 400 photo looks good to me, the key to the higher ISOs is correct exposure.

  4. #304
    Senior Member Brian Mosley's Avatar
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    Re: Sigma DP1

    Hi DP1User, you have some really fabulous work there... Well Done!

    I used ISO50 this evening, for a series of water falls along a stream... here's one :

    15s f/11.0 at iso50


    Kind Regards

    Brian

  5. #305
    Senior Member helenhill's Avatar
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    Re: Sigma DP1

    Lovely in B&W Brian .... but the water looks a little eerie
    like what lies below
    Best-H

  6. #306
    Senior Member Brian Mosley's Avatar
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    Re: Sigma DP1

    Actually, it was a rather eerie place... I started feeling a bit nervous as the sun went down

    Thanks Helen

    Brian

  7. #307
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    Re: Sigma DP1

    Brian,
    Lovely
    brings to mind

    "Come away O Human Childe, to the Water and the Wilde..."

    I do not recall where I read that, but that image echoes this

  8. #308
    DP1User
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    Re: Sigma DP1

    Quote Originally Posted by Brian Mosley View Post
    Hi DP1User, you have some really fabulous work there... Well Done!

    I used ISO50 this evening, for a series of water falls along a stream... here's one :

    15s f/11.0 at iso50


    Kind Regards

    Brian

    Beautiful shot!!! That's exactly what I would use ISO50 for, those longer shutter speeds.

  9. #309
    Senior Member DavidE's Avatar
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    Re: Sigma DP1

    Here's another shot of the Adventuredome from my Vegas trip last week. I was so busy at the tradeshow, I didn't have much time to wander around and take pictures.

    [My server tends to be slow, so you may have to hit the refresh button if it doesn't load the first time.]



    ISO 50, f/4, 1/20 second

  10. #310
    Senior Member DavidE's Avatar
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    Re: Sigma DP1

    I should find a new subject. Here's yet another one from the Adventuredome in Las Vegas.

    [My server tends to be slow, so you may have to hit the refresh button if it doesn't load the first time.]



    ISO 50, f/4, 1/25 second

  11. #311
    Senior Member helenhill's Avatar
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    Re: Sigma DP1

    Fun DavidE
    Crisp,& Wild with a hint of the psychedelic......

    Best-H

  12. #312
    christopher e.
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    Re: Sigma DP1

    Hi DP1 users, I have been anxiously viewing all the DP1 images I can find, and while very impressed, I have talked myself into waiting for Photokina/the end of the year (DP2, DP3). I'm not a huge shutterbug, but I enjoy it and I have been waiting for the perfect digital compact for over a year (it has seemed to be a long and frustrating year)...so I will wait a while longer. Thanks for posting your photos..but I had a question. I downloaded the Sigma software and sample images provided by Carl Rytterfalk, and noticed that the setting for sharpening goes down to -2.0. This seems to reduce existing sharpening to zero. Do you know if this is the case (does Sigma add sharpening as a default setting)? If so, do you lower the sharpening to the -2.0 setting when you process your pictures? I personally would want the picture to be the "real, unmodified" image as the default. Thanks for your replies.

  13. #313
    christopher e.
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    Re: Sigma DP1

    PS: I did see this mentioned in the Luminous Landscape review. So it seems you can set sharpening in the camera, and then also adjust that in post processing...

  14. #314
    christopher e.
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    Re: Sigma DP1

    Also, are most shots posted done handheld? Except for the long exposure shots?

  15. #315
    DP1User
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    Re: Sigma DP1

    All of mine are handheld, one of the reasons I bought the DP1 so I don't have to carry anything extra.

  16. #316
    Senior Member DavidE's Avatar
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    Re: Sigma DP1

    Helen, thanks for your kind words and encouragement.

    christopher, all my shots are handheld -- even the long exposure ones I've tried (maybe 1 out of 10 of those will be rock steady). I have a lightweight Gitzo tripod, but have yet to bring it with me on a trip. Like DP1User, I bought the DP1 so I wouldn't have to lug around a lot of equipment. I shoot only in RAW and do any sharpening with Sigma Photo Pro (slight sharpening) and Adobe Lightroom (a fair amount of sharpening -- probably too much). I will usually export an image from SPP with several different combinations of settings. Then I select the one that seems best suited for additional processing within Lightroom.
    Last edited by DavidE; 27th June 2008 at 13:14.

  17. #317
    SimonLarbalestier
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    Re: Sigma DP1

    Two recent shots using the DPI shot in Thailand. Using Richard Franiec's DPI Grip (CGDP1) really made the camera much more practical to hold in hot sticky climates. I approached Richard back in April asking if he'd be interested in designing a custom grip for the DPI. You can imagine my surprise when one arrived in the post just before my trip back to Thailand!
    You can find Richard's grip for sale online at http://www.lensmateonline.com/newsite/SigmaDP1.html

    As 99% of my work is shot with b/w film i am very interested in the Sigma's rendition of b/w images at ISO's of 50, 400 and 800. These were shot using the Ricoh GV2 28mm Viewfinder which works very well on the DPI.

  18. #318
    nei1
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    Re: Sigma DP1

    What a treat to find your work Simon,all the best,Neil.

  19. #319
    SimonLarbalestier
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    Re: Sigma DP1

    Quote Originally Posted by nei1 View Post
    What a treat to find your work Simon,all the best,Neil.
    Thanks Neil

  20. #320
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    Re: Sigma DP1

    Simon, lovely work, still going though your Cambodian porfolio
    Was it all done with the DP-1?

  21. #321
    SimonLarbalestier
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    Re: Sigma DP1

    Thanks Lili - all the Cambodia work currently online was shot with film though i have just returned from another Cambodian trip where i was using the DPI and the GRD2 - i will post these online as soon as i have finished some current deadlines.

  22. #322
    Senior Member Brian Mosley's Avatar
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    Re: Sigma DP1

    We popped out to a local favourite landscape spot yesterday... took this shot using the new ISO 50 option.

    DP1
    1/200s f/8.0 at 16.6mm iso50


    And from the same spot, my wife Karen took this shot with the E-420 + Leica 14-150mm OIS

    E-420 + Leica 14-150mm OIS
    1/640s f/5.6 at 150.0mm iso100


    Kind Regards

    Brian

  23. #323
    SimonLarbalestier
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    Re: Sigma DP1

    Brian DOF @F8 for that distance with the DPI is quite remarkable! Nice shots both of them.

  24. #324
    Senior Member Brian Mosley's Avatar
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    Re: Sigma DP1

    Thanks Simon, yes - I'm much happier with the DP1 with the latest firmware upgrade... but the achilles heel is still lack of 3rd party RAW converter support. Ideally, we need DNG converter support imho.

    Kind Regards

    Brian

  25. #325
    SimonLarbalestier
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    Re: Sigma DP1

    Yes i'm waiting for something to come from one of the RAW developers to compare to SPP. Hopefully soon.......

  26. #326
    Senior Member simonclivehughes's Avatar
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    Re: Sigma DP1

    Just picked up a DP1 and I wanted to share one of my first pictures.

    Attachment 7328

    Cheers,
    Last edited by simonclivehughes; 12th July 2009 at 14:37.

  27. #327
    Senior Member helenhill's Avatar
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    Re: Sigma DP1

    Stunning Simon......love the Mood & Tones
    Best-H

  28. #328
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    Re: Sigma DP1

    That is simply gorgeous, Simon!

  29. #329
    Senior Member simonclivehughes's Avatar
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    Re: Sigma DP1

    Thanks! Glad you like it.

    Ciao,

  30. #330
    asabet
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    Re: Sigma DP1

    I hadn't used the DP1 in well over a month, mainly due to th E-420. However, I recently forced myself to choose between the two cameras and ended up keeping the DP1, mainly due to it's smaller size.

    I took the DP1 on a family trip to the Maryland Science Center on Sunday. Most of the center was pretty dark. I set the shutter speed to 1/50s (I can handhold longer than 1/50s, but the kids rarely stay still longer than that ), ISO 200 pushed the heck of out of the images in post to get them exposed how I wanted them. Here are a few to share, all processed to JPEG in SPP with no PS:










  31. #331
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    Re: Sigma DP1

    Amin, those are wonderful, esp the second one done when they have the goggles on, so cute

  32. #332
    asabet
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    Re: Sigma DP1

    Thanks Lili. I'm really growing to like the 28mm angle of view. I still think I might prefer 35-40mm overall for people photography, but for indoors 28mm really helps.

  33. #333
    Senior Member DavidE's Avatar
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    Re: Sigma DP1

    This is one is from back in June. I was leaning against a wall, which made it easier to shoot at 1/20 of a second.



    [My server tends to be slow. You may have to hit the refresh button if it doesn't load the first time.]

  34. #334
    Senior Member simonclivehughes's Avatar
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    Re: Sigma DP1

    Shot at the Fairmont Hotel in the Vancouver Airport.

    Attachment 7880

    Cheers,
    Last edited by simonclivehughes; 12th July 2009 at 14:37.

  35. #335
    asabet
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    Re: Sigma DP1

    Quick grab from today:


  36. #336
    Senior Member DavidE's Avatar
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    Re: Sigma DP1

    Wow, that's a nice one, Amin. It's tack sharp with an iridescent 3D quality. One of the best DP1 images I've seen.

  37. #337
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    Re: Sigma DP1

    Quote Originally Posted by DavidE View Post
    Wow, that's a nice one, Amin. It's tack sharp with an iridescent 3D quality. One of the best DP1 images I've seen.
    I agree completely!!!!
    Its enough to tempt me furthee, as if I needed that , to the Sigma camp
    Last edited by Lili; 29th September 2008 at 09:25.

  38. #338
    asabet
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    Re: Sigma DP1

    David and Lili, many thanks!

    I don't know why, but I get the impression of a 3D effect more with the DP1 than I have with other cameras.
    Last edited by asabet; 29th September 2008 at 10:03.

  39. #339
    nei1
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    Re: Sigma DP1

    I do wonder why that is,Im not sure that I really want to know though.What I do know is that I find the DP1 photos more satisfying than those of any other digital camera,whatever the megapixels.Roll on the DP2COOL so that I can have my own!

  40. #340
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    Re: Sigma DP1

    Quote Originally Posted by asabet View Post
    David and Lili, many thanks!

    I don't know why, but I get the impression of a 3D effect more with the DP1 than I have with other cameras.
    Is it something to do with the lack of anti-aliasing filter? Any tech savy people who may know this?

  41. #341
    Senior Member Tim's Avatar
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    Re: Sigma DP1

    So who here is thinking about getting a DP-2?

    Tim

  42. #342
    Subscriber Member Jonathon Delacour's Avatar
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    Re: Sigma DP1

    Amin, what a wonderful image. I thought only Zeiss lenses had that 3D effect. What's even more impressive is that you were able to get outside the airplane, take the shot, and get back inside . Seriously, though, how did you manage to eliminate the reflections? (Please don't tell me you used a polarizing filter!)

  43. #343
    asabet
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    Re: Sigma DP1

    Thanks Jonathon! No polarizing filter; I just placed the camera lens as close to the window as possible and shot wide open to throw the window dirt out of focus.

  44. #344
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    Re: Sigma DP1

    Amin, wide open and the image is that sharp?
    Very great respect for the Sigma lens designers!!!!

  45. #345
    asabet
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    Re: Sigma DP1

    Lili, that's through two layers thick dirty window. The DP1 lens is sharp across the frame at f/4, with just a subtle improvement in the far corners in going from f/4 to f/5.6.

  46. #346
    Senior Member Will's Avatar
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    Re: Sigma DP1

    That wing image really stands out Amin. I took a few with my GRD2 recently and whilst I do like them they don't have the impact that your use of the DP1
    has produced.

    Here is one of my GRD2 images by way of example.

    Last edited by Will; 1st October 2008 at 05:12.

  47. #347
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    Re: Sigma DP1

    Nice one will, here is one from my GRD I

  48. #348
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    Re: Sigma DP1

    I'll jump in with one of these... From my GRD2...

    Photography during business travel keeps me entertained.

  49. #349
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    Re: Sigma DP1

    Andrew and Will great shots all!
    Oddly, despite a bad work monitor, and common wisdom, there IS a difference in our images (as wonderful as they are) and Amin's; the Foevon difference seems to show through!

  50. #350
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    Re: Sigma DP1

    Colette, I agree. I briefly had a DP1 and was amazed at its B&W (and color) performance. However, the camera had too many other faults to keep me from falling in love with it. But I still think about trying it again. The DP2 actually sounds more interesting to me for its lens and hopefully increased performance. I'm also looking forward to more mFT designs. My first love, though, is still for my GRD2.

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