Daryll Posted July 2, 2017 Share Posted July 2, 2017 Took this at my local pond. altered a little with Photoshop Modified Nikon D80Nikkor 18-55EXIF data Camera make : NIKON CORPORATIONCamera model : NIKON D80Date/Time : 2017/06/19 17:36:18Resolution : 3872 x 2592Flash used : NoFocal length: 17.0mm (35mm equivalent 25mm)Exposure time : 0.0050 s (1/200)Aperture : f/3.5ISO equiv. : 200Exposure bias : -0.33Whitebalance : ManualMetering Mode : patternExposure : aperture priority (semi-auto) Link to comment
Guest Posted July 2, 2017 Share Posted July 2, 2017 Hey Daryll, this shot looks like a nice IR image. I'm guessing though. When you post images, instead of pasting the image EXIF info, in addition to the camera/lens info you posted could you include info about what lens filter(s) you used, exposure settings, lighting / filter(s), location, etc. That would help everyone to know what you're showing and how it was made. And welcome to the forums here. I'm looking forward to seeing some more images from the UK! Link to comment
Andy Perrin Posted July 2, 2017 Share Posted July 2, 2017 Nice photo! Hi! *waves* What Mark said above would be helpful. Link to comment
Andrea B. Posted July 2, 2017 Share Posted July 2, 2017 I like the array of false color tones in this IR shot. And the reflection. I'm looking at those lily pads thinking they would be very interesting as a close up shot. Lots to work with in that scene. *** Usually we list the gear as follows, but the exact listing format - you decide your favorite style. Do include the UV or IR or other filter used. Filters are such a big topic here, of course. Exposure data is nice to have so that we can understand how well a particular lens/filter combo works. Nikon D80-converted + Nikkor 18-55mm f/3.5-5.6G + IR-Pass Filterf/3.5 for 1/200" @ ISO-200 *** BTW, I have a D80 IR conversion bought from friend Vivek years ago. It is a good cam for IR. Link to comment
Daryll Posted July 2, 2017 Author Share Posted July 2, 2017 OK , the camera was converted to IR only , pre set white balance with nikon 18-55 DX VR , no filters , apart from a bit of post processing , the image is straight from the camera , the advantage of a converted camera is the RAW image is about right in the first place , slight pink/red haze , below is a un processed image taken today , straight from the SD card. and converted to JPEG for web use In Photoshop I do a red/blue channel swap , sharpen the image and thats about it Link to comment
Andrea B. Posted July 2, 2017 Share Posted July 2, 2017 Then that conversion looks to be an IR-longpass with a cut-in between 680-700, I'm estimating. A white-click on that photo (below) produces pretty blue tones which is typical of IR-pass filters which also pass small amounts of high red. It is a nice choice. No editing intent/comment here on my part. I just was wanting to figure out the filter. B) Link to comment
Daryll Posted July 2, 2017 Author Share Posted July 2, 2017 I am going to show my lack of understanding , here is the link to the ebay item/conversion service , I am sure it makes sense to you ( I`ll get there...lol)http://www.ebay.co.u...-/263034308179?Cheers Daryll Link to comment
Andrea B. Posted July 2, 2017 Share Posted July 2, 2017 The D80's internal UV/IR blocking filter was removed and replaced by an IR longpass filter which begins transmitting somewhere in the high red (visible) range nm and reaches its 50% transmission at about 690 nm. After that transmission of the IR increases until it is (usually) at a 90-95% level. Of course we don't know exactly what type of filter glass was used or what the thickness is, so those are estimates only based on the Ebay ad. Here is a link to some transmission charts for Schott IR longpass filters in the same range as yours. It is the mix of lots of IR and a little bit of visible red which gives those interesting false colours which we all love to work with. If an IR longpass filter does not cut in until a higher level past 800 nm, the photo would only be black and white after a white balance or white-click edit. https://www.pgo-onli...45_665_695.html Anyway, have fun! Link to comment
Daryll Posted July 3, 2017 Author Share Posted July 3, 2017 AH ah , its becoming clear now ( well as clear as IR filter is....lol) Cheers Daryll Link to comment
Hornblende Posted July 3, 2017 Share Posted July 3, 2017 Funny, on the first picture the left part of the pond looks twisted. Link to comment
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