GordonBGood

GordonBGood

Lives in Thailand Songkhla, Thailand
Works as a Software
Joined on Aug 20, 2001

GordonBGood's recent activity

  • You're welcome, Chris.  Yes, as alluded in my post there are some limitations to the use of CHDK and one of them is the time it takes to save a raw file.  I used CHDK on an old A700 (6 MP instead ...
  • Chris,  in their raw to JPEG development, cameras don't use a "pure" gamma value but rather apply a Tone Response Curve (TRC) which is adapted to give a particular "look" to average images as to ...
  • You seem to understand how FastStone (FS) works generally as to displaying the embedded JPEG (which will have the colour, saturation, contrast, and sharpness setting as per the camera settings, in ...
  • I, too, purchased an early Sony Mavica - a FD-7 - in about 1997 and was a digital camera novice at the time. Compared to today's digital camera specifications, the camera was a joke: (1) It cost almost ...
  • Mike, we can't really answer for those programs that aren't "open source" as we don't really know what they are doing, but the raw conversion of Faststone uses DCRaw for which we do have source ...
  • Mike, John has it right:  most viewers view the embedded JPEG image by default, and that will be the combined HDR data created by the camera.  This includes Faststone, which by default just views ...
  • Replied in owners manual
    You get the operating manual direct from the Ricoh-Pentax site .  Accessories will be more of a problem for such an old camera, but some things will be compatible such as any Pentax infrared remote ...
  • Extending this idea, there is no downside to more sensor Dynamic Range (DR) and the upside is that we get "adequate" DR for higher ISO sensitivities.  For instance, if the output image only needs ...
  • Akshaj, my wife has the 18-135 and it is a great lens within its limits, sharp in the center from wide to reasonably high in the zoom range, quiet and quick to focus, and WR.  The reason it gets ...
  • Allan, isn't there an option to turn off the writing into the DNG files and to rather write to XMP side-car files just as for other raw files as there (maybe used to be?) in Photoshop?  It's been ...
  • Replied in Color Space?
    A couple of small corrections, as follows: (1) A camera captures AdobeRGB image loses all the extra colours when converted to a lesser colour space as in generally this information is clipped away.
  • I am running the same as you.  By not supporting, I meant that one cannot install the codec as per the download link provided further up the thread . I tried to install the above update which ...
  • Mireille, what I said in my old two-year-old post to this thread pretty much still applies, as does the advice of others here. Summarizing, as follows: (1) If you don't think you have problems ...
  • James, as far as I can see from the Ricoh/Pentax link , the Pentax codec is only for 32-bit Windows, only supports Vista and Windows 7 (not Windows 8), and hasn't been updated to support many newer ...
  • I know that analogue gain is not always increased and that sometimes and at some levels for some camera implementations digital multiplication is used instead, which is why I said "analogue ...
  • I'll have a try: 1.  Yes, the light gathered is half for "normal" metering for each doubling of ISO sensitivity,  resulting in the levels being either analogue amplified or digitally multiplied by ...
  • Neither of the settings "Progressive" nor "Optimize Huffman Codes" will affect the quality of the resulting JPEG; they only affect the way the way the image is compressed (order of operations) and ...
  • As James (JNR) has said, depending on your further use of the output file, there is a slight theoretical advantage of 16 bit uncompressed TIFF files as compared to JPEG output but for use as a ...
  • Roland, if you are skeptic about what DCU does and it bothers you, then don't use it, which is what most of us choose to do. You are correct that I am guessing as to what it does based on what I ...
  • Roland, you can't change the highlight correction flag because it is embedded in metadata and that metadata data applies to the raw data as it was captured.  The way that raw converter programs ...
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Total messages 6264
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Last upload Oct 2, 2011