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Thread: How about a more fun with IR thread?

  1. #301
    tokengirl
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by TEBnewyork View Post
    If you would like a few files to play with, I can send you some and you can see the B&W rendering.
    That would be VERY much appreciated. I am sending you a PM with my e-mail address.

    I am also curious to see what kind of results I can get with Silver Efex Pro, which is my preferred method for B&W conversion.

  2. #302
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Vivek View Post
    A Crocus shot. Nothing special other than being the first spring flowers available to me...but..what you are looking at is possibly the first IR shot using an IR polarizer.



    Hacked Olympus E-410, Noflexar 35/3.5 (f8), 1/100s, ISO100, Heliopan RM780, a 780nm polarizer (at max).
    Vivek,
    Please explain about the 780nm polarizer.

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    Re: How about a more fun with IR thread?

    Hi Cindy,

    Quite simply:

    1. Normal Polarizers do not work for IR (unless there is a huge visible light leak in the red region).

    2. IR polarizers are made of materials similar to the visible polarizers but tuned to the specific wavelength regions.

    See: http://www.boldervision.com/ and http://www.meadowlark.com/brochures/...ers%200805.pdf

    The one I have now (for a very short time) is a generous gift from Mr. Gonzalez (President, Boldervision).

    The effects:

    As in normal polarizers, you see the elimination of reflections. Contrast is generally improved a lot. Preliminary indications are that most of the "glow" and "wax like" appearance of foliage seen in IR images simply vanish when a polarizer is used (this could be a disappointment for some).

    The usefulness is yet to be put to test for various situations. Once I gather more information (and get my G1 ready for UV and IR- which isn't as of yet), I will post more on it.

    The very question of polarizers arise because of liveview- the ability to compose, focus (and even meter!) what you capture in IR. My old converted Nikon DSLRs would not be useful to use with an IR polarizer, for example.

  4. #304
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    Re: How about a more fun with IR thread?

    Here's a couple from yesterday

    Don
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    Re: How about a more fun with IR thread?

    Don, the colored poppy shot is great!
    Jack
    home: www.getdpi.com

    "Perfection is not attainable. But if we chase perfection, we can catch excellence."

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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Jack Flesher View Post
    Don, the colored poppy shot is great!
    Thank you Jack. I think that's my favorite as well. It's got me thinking of what it'll look like printed on canvas....

    Don
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    Re: How about a more fun with IR thread?



    Hacked Olympus E-410/Noflexar 35/3.5

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    Re: How about a more fun with IR thread?

    Don, The thing that bothers me about your color IR is the CA.

  9. #309
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    Re: How about a more fun with IR thread?

    Australian Pine (considered a weed around these parts)

    Leica M8 + CV Nokton 35mm f/1.4 @ f8 ISO 1250 + B&W 092 filter
    Carlos Echenique | Carlos Echenique Photography |Olympus OM-D E-M1 MK II | Olympus Pen-F - M.Zuiko 17mm f/1.8, M.Zuiko 25mm f/1.8, M.Zuiko 45mm f/1.8, Rokinon 12mm f/2 NCS, M.Zuiko 75mm f/1.8, M.Zuiko 12-40mm f/2.8 PRO, M.Zuiko 40-150mm f/2.8 PRO

  10. #310
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    Re: How about a more fun with IR thread?

    There are some really cool pictures in this thread. Thanks for sharing and I'll upload some of mine this weekend.

    ~ Sam

  11. #311
    SamTHorn
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    Re: How about a more fun with IR thread?

    Cool camera trick-if it is a trick. Thanks for sharing.

    ~ Sam

    Quote Originally Posted by Don Libby View Post
    Carmel Mission earlier this week...







  12. #312
    SamTHorn
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    Re: How about a more fun with IR thread?

    Both of these shot are perfect! Great eye and thanks for sharing.

    ~ Sam

    Quote Originally Posted by scho View Post
    Two 350D IR shots from an icy walk along the creek today. Both with the 50 EF 1.4.

    New Growth


    Icicles

  13. #313
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by SamTHorn View Post
    Cool camera trick-if it is a trick. Thanks for sharing.

    ~ Sam
    Sam no real trick. The 1DsII was converted to fulltime IR by using a 665nm filter. Generally the files are worked up in CS4 using an action for the false color.

    Don
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by SamTHorn View Post
    Both of these shot are perfect! Great eye and thanks for sharing.

    ~ Sam
    Thank you Sam. Here is one taken in a warmer climate with the IR modified Panasonic G1.

    Carl
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    Thanks, Jack...and thanks for your "pioneering" work with Precision camera. I think I'm really going to like this G1 conversion.
    Cindy,

    Congratulations for your new IR G1. Hope you will enjoy it as much as I am with mine.
    Carl
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    Re: How about a more fun with IR thread?




  17. #317
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by scho View Post
    Cindy,

    Congratulations for your new IR G1. Hope you will enjoy it as much as I am with mine.
    Thank you.

    Matt, Those are both really eye-catchers. The first one is my favorite. I like the composition and the tree has a beautiful form.

  18. #318
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Jack Flesher View Post
    Straight color, B&W and False color from the GF1:


    That is great!
    Uwe Steinmueller
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    Editor&Owner of Digital Outback Photo
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    Thank you.

    Matt, Those are both really eye-catchers. The first one is my favorite. I like the composition and the tree has a beautiful form.
    hey thanks, I shot tons and tons of IR in costa rica, the place is perfect for it!!!

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    Re: How about a more fun with IR thread?

    Quote Originally Posted by ustein View Post
    That is great!
    Thanks Uwe. Generally IR is not something I'd choose for people shots, but for this one, I think it's kind of a neat effect
    Jack
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    Re: How about a more fun with IR thread?

    Uwe Steinmueller
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    Editor&Owner of Digital Outback Photo
    http://www.outbackphoto.com

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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Jack Flesher View Post
    Thanks Uwe. Generally IR is not something I'd choose for people shots, but for this one, I think it's kind of a neat effect
    I like the surreal quality.
    Uwe Steinmueller
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    http://www.outbackphoto.com

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    Re: How about a more fun with IR thread?

    Three more IR shots from today's outing with the G1 and CZ 35mm f/2 G.

    Picnic Tables


    Watercress


    Rollups
    Carl
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    Re: How about a more fun with IR thread?



    Hacked E-410

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    Re: How about a more fun with IR thread?

    Historic Charleston, SC G1 IR, Panasonic 7-14mm


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    Re: How about a more fun with IR thread?

    Carl, I love the false color in "Picnic Tables".

    Vivek, Is that false color? It is a beautiful, vivid red... what is it?

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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    Historic Charleston, SC G1 IR, Panasonic 7-14mm

    Cindy,
    Very nice IR images from old Charleston. The framing of both shots is really beautiful. That 7-14 is a great lens for the tight quarters along those narrow streets. I love all the little gardens and courtyards tucked in behind the elegant houses in the historic district. Really charming town.
    Carl
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    Re: How about a more fun with IR thread?

    Cindy, IR macro (live view makes it so easy!) of a glass of water under halogen lights. Thanks.

  29. #329
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    Re: How about a more fun with IR thread?

    This is what happens when you have too much time on your hands...

    I'm in-between projects and somewhat bored; a recent email conversation with Doug got me rethinking something that I had shelved. Infrared time-lapse photography.

    Living in the Southwest as I do we're noted for days on end with just a blue sky and little to no clouds. I offer this as a way of explaining/setting up the end result; and also to reaffirm this is just a test. I set the 1DsII IR on a tripod in the backyard set it to capture 1-image per minute for 42 minutes giving me a total of 42 images.

    Using the 42 images I first opened the images in C1 converting them to black and white and saving to Jpeg. The Jpegs were then sent to Adobe Premiere Elements 7.0 where each image was reset to .15 in the time stretch giving a black & white time-lapse video of 22-seconds.

    Using the same 42 images I then first opened them in Canon Digital Photo Pro before sending them to CS4. Once in CS4 I opened the images and used an action to convert all the images to false color IR before saving to Jpeg. I then sent the color Jpeg images to Adobe Premiere the same as I had done with the black & white images. I shorten the time stretch of each image to .05 giving me a 7-second video which I feel is much smoother.

    I feel it's a good first attempt and can see doing this again in a better location such as the Grand Canyon, Monument Valley or Moab all places we plan to visit in the near future.

    Go here if you have problems seeing the videos.

    Color IR and B&W IR

    Don
    Last edited by Don Libby; 8th April 2010 at 10:13.
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    Re: How about a more fun with IR thread?

    Finally, I converted one of G1s (I still have the dust shaker in place, it does not affect the sensor response one bit).

    Here are a few initial samples from it.



    Hacked G1, Hoya R72, pen F macro 38/3.5 f/5.6, ISO100, 1/100s, handheld and focused using swing out the LCD.

    These two using the Pana 20/1.7 (Hoya R72 again and ISO100, shutter speeds >1/2000s for f/2.2 to 3.2) which is surprisingly good for IR.



    The color density is very thin even with a 720nm filter. I will have to look for a less strong filter for false color IR.



    Overall, the G1, based on a few hours of checking has exceeded my expectations for IR.

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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Vivek View Post
    Finally, I converted one of G1s (I still have the dust shaker in place, it does not affect the sensor response one bit).

    Here are a few initial samples from it.



    Hacked G1, Hoya R72, pen F macro 38/3.5 f/5.6, ISO100, 1/100s, handheld and focused using swing out the LCD.

    These two using the Pana 20/1.7 (Hoya R72 again and ISO100, shutter speeds >1/2000s for f/2.2 to 3.2) which is surprisingly good for IR.



    The color density is very thin even with a 720nm filter. I will have to look for a less strong filter for false color IR.



    Overall, the G1, based on a few hours of checking has exceeded my expectations for IR.
    Very nice IR work Vivek. I'm also very pleased with the IR performance of my converted G1. I thought at first that the dust shaker had been removed from mine during conversion, but it is apparently still there.
    Carl
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    Re: How about a more fun with IR thread?

    Thanks for your kind words, Carl!

    Compared to a converted Nikon D80 and D200 (both 10mp APS-C Sony CCD sensor), the details and DR (yes!) from G1 is miles ahead! Simply awesome!

    A few more (all with a hacked G1, 20/1.7 and Hoya R72). I am trying a high contrast rendition for people shots.





    A close up of fist sized mushrooms.



    Panasonic 20/1.7 at f/6.3

    IR bokeh is as smooth as it can get.

  33. #333
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    Re: How about a more fun with IR thread?

    Vivek, These are really nice. The man in the first photo almost jumps off the screen.

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    Re: How about a more fun with IR thread?

    From Walterboro and Charleston, SC G1 IR and 7-14mm lens


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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    From Walterboro and Charleston, SC G1 IR and 7-14mm lens
    Lovely IR shots Cindy. The church image is really outstanding.
    Carl
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    Re: How about a more fun with IR thread?

    Agree with Carl. Fabulously executed and presented, Cindy!

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    Re: How about a more fun with IR thread?

    A nice crisp, clear day at the waterfront with a big willow fully leafed out behind the boatyard. False color (Jack's conversion action) with the G1+14-45 kit lens.

    Last edited by scho; 19th April 2010 at 11:57. Reason: change image
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    Re: How about a more fun with IR thread?

    For now, I am sticking to B/W. One from earlier today (Hacked G1, Pana 20/1.7, Hoya R72).


  39. #339
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by scho View Post
    A nice crisp, clear day at the waterfront with a big willow fully leafed out behind the boatyard. False color (Jack's conversion action) with the G1+14-45 kit lens.

    Carl, I really like the color on this one.

    I am very happy that I purchased Jack's actions. It makes the conversions so simple.

    Vivek, I like the detail and tones of your shot of the young girls.

  40. #340
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    Re: How about a more fun with IR thread?

    Dundee, Wisconsin 1855 Mill
    G1 and Panasonic 7-14mm


    Mill Pond dam


  41. #341
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    Carl, I really like the color on this one.

    I am very happy that I purchased Jack's actions. It makes the conversions so simple.

    Vivek, I like the detail and tones of your shot of the young girls.
    Thanks Cindy. Yes, Jack's action set is very well done and convenient to use for both monochrome and color conversions.
    Carl
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    Dundee, Wisconsin 1855 Mill
    G1 and Panasonic 7-14mm


    Mill Pond dam

    Cindy, Very nice images of the old mill and dam. Old mill sites that are still operational offer a wealth of photo ops.
    Carl
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Vivek View Post
    For now, I am sticking to B/W. One from earlier today (Hacked G1, Pana 20/1.7, Hoya R72).

    Vivek, Your hacked G1 seems to be giving you some fine images, including this one.
    Carl
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    Re: How about a more fun with IR thread?

    Thanks Carl and Cindy.

    Once I set up the proper step rings to attach filters, I will do some work with my super-fast primes (25/0.95s and 50/0.95). All do very well for IR, including the fabulous pen F lenses.

    As a carry everywhere combo, the G1 +20/1.7 (with a 49mm Hoya R72) work splendidly and I don't want to mess with that.

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    Re: How about a more fun with IR thread?

    "Super-fast" lenses have to wait. During daytime, the IR levels are way to high.

    Here is one with a Fujinon-TV 50/1.4 (at f/2.8 so that shutter speed at ISO 100 will be within the limit!), hacked G1, Hoya R72.


  46. #346
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by scho View Post
    Cindy, Very nice images of the old mill and dam. Old mill sites that are still operational offer a wealth of photo ops.
    Thanks, Carl. You inspired me to give false color another try, but I didn't get the nice colors that you did. Any hints?

  47. #347
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Vivek View Post
    "Super-fast" lenses have to wait. During daytime, the IR levels are way to high.

    Here is one with a Fujinon-TV 50/1.4 (at f/2.8 so that shutter speed at ISO 100 will be within the limit!), hacked G1, Hoya R72.

    This is really nice. i can imagine that you can't use the really fast glass in bright light. Can you add a ND filter on top of your IR filter?

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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    Thanks, Carl. You inspired me to give false color another try, but I didn't get the nice colors that you did. Any hints?
    Cindy,
    Still looks very good in this false color version. You might try boosting the saturation slider a bit more in the hue/sat layer, but the hue looks about right as is. Sometimes, depending on angle of light, atmospheric clarity, and probably other factors, it is difficult to get a nice deep sky blue. The shot I posted above was taken on an exceptionally clear day (for Ithaca in April) at mid day facing north so I was lucky to be able to get good colors without much trouble in post processing.
    Carl
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    Re: How about a more fun with IR thread?

    Quote Originally Posted by Cindy Flood View Post
    This is really nice. i can imagine that you can't use the really fast glass in bright light. Can you add a ND filter on top of your IR filter?
    Thanks, Cindy. I think it is the volcano's doing (all planes grounded -> less pollution). So, it could be a temporary "problem".

    I only have 100mm dia ND filters for special use.

    Here is one under tricky lighting (50/1.4 Fujinon again, Bolder Vision IR polarizer plus Heliopan RM780 on hacked G1):


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    Re: How about a more fun with IR thread?


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