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| Fuji XE1 IR - Page 2 | |
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| Posted: Sun May 11th, 2014 15:08 |
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11th Post |
jk
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amazing50 wrote:Eric wroteJonathan, It's interesting that you said the hotspot wasn't too bad using the external filter. Clearly putting the filter inside is exacerbating this effect.You could compare a few shots with and without an external filter. A 720nm shouldn't effect your exposure very much and it may reduce the hotspot. That would be an interesting experiment.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sun May 11th, 2014 23:26 |
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12th Post |
TomOC
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Eric- I forgot why I stall out each time I go to get a camera converted... What the heck is the deal with all the different types of conversions? What did you get for the ex1? I'm thinking R72/89B IR filter installation (720nm) from SpencersCamera.com for $250??? Does that make sense. They offer 5 different conversions !!! Thanks, Tom
____________________ Tom O'Connell -Lots of people talk to animals.... Not very many listen, though.... That's the problem. Benjamin Hoff, The Tao of Pooh |
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| Posted: Mon May 12th, 2014 02:21 |
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13th Post |
Eric
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TomOC wrote:Eric- Mine was the 720nm. I find it gives a cleaner, more 'duotone' effect of white and brown. Some of the other filters introduce reds and purples which can give weird effects (IMHO) when post processing. It's sort of akin to tinting a black and white print ...compared to tinting a colour print. With only mono to work with you get a purer result. Tint a colour print and everything is unpredictable. Just my 2cents.
____________________ Eric |
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| Posted: Mon May 12th, 2014 02:27 |
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14th Post |
Eric
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jk wrote:Eric wrote: Have to say its quite horrendous! I have been having to very carefully frame shots with a view to ease of removing the hotspots later!! I will see if I can do a comparison shot later today when sun comes out... with both lenses at 55mm and upload to my Dropbox. I haven't got the raw converter with me ...so if you would like to grab these images, process and post them here to demonstrate the extent of the issue, that would be ok with me. Will send you the Dropbox link when it's done.
____________________ Eric |
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| Posted: Tue May 13th, 2014 12:36 |
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15th Post |
TomOC
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Eric wrote:TomOC wrote: Thanks, Eric. Just what I wanted to know. I really care 95% about BW only. Off to order the 720n Cheers, Tom
____________________ Tom O'Connell -Lots of people talk to animals.... Not very many listen, though.... That's the problem. Benjamin Hoff, The Tao of Pooh |
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| Posted: Tue May 13th, 2014 13:49 |
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16th Post |
jk
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Look forward to seeing some of your results Tom. I fancy getting my XE1 or XPro1 converted to IR . The XPro1 is favourite as I like the EVF on the XE1 better.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Tue May 13th, 2014 14:00 |
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17th Post |
Eric
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TomOC wrote:Eric wrote: Just as a heads up on the choice of lens.... I have the 18-55 and 55-200. Firstly for landscapes 18mm, =24mm, isnt quite wide enough for wide landscapes that make IR work so well. (that isn't to say you can't work tighter with IR, I've done some interesting close ups) Working with the 18-55 I have discovered it has the potential for a nasty hotspot. Initially I thought it was a total right off but on further investigation it's clear that the wider the focal length AND the smaller the aperture, the worse the hotspot shows. For example ...at 18mm and f8 the hotspot is bad...at f16 it's like a spotlight down the centre of the lens!! I have deduced that from 18-34mm you must work at no more than 2stops down from max aperture. From3 35-55 its a more generous 3-4stops. This explains why the 55-200 is acceptable at f8 (my preferred aperture for IR) All this means is that unless I use f4 I can't use the 18-34mm range. But as I said earlier, this is already not wide enough at 18mm. So when I get back from Italy, I must check the 14mm prime to see whether it too, has a hotspot. If its ok, then I will use it on the IR (still there for colour use of course). If its no better, I need to rethink the usefulness of this exercise. It's really cool having a lightweight kit for both colour and IR. I have been clambering round a medieval town in Umbria the last two days and the backpack has been barely noticeable. But if I have to spend hours correcting image defects in photoshop ...it's going to become a point of irritation, and lose its appeal! Fingers crossed the 14mm is ok. Edit...can I just add that there is a reason for using f8 with IR. You get a sufficient depth of field to ensure compensation for the focus shift due to IR. Of course the camera has, or should have, been recalibrated but it's still a bit of a black art...imho
____________________ Eric |
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| Posted: Tue May 13th, 2014 15:24 |
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18th Post |
jk
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I'll see if I have any IR shots with my Fuji14mm f2.8 and post if I find one.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Tue May 13th, 2014 15:41 |
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19th Post |
jk
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Here is an image shot with the Fuji XF 14mm f2.8 with a R72 filter on the front. ISO Speed Ratings = 3200 Shutter Speed (Exposure Time) = 1/9 second Aperture = Æ’/2.8 Straight from RAF. No PP other than LR5.4 save to JPG. Attachment: XP1-1-4238.jpg (Downloaded 21 times)
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Tue May 13th, 2014 15:58 |
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20th Post |
jk
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The exposure shown is a normal exposure for IR under bright sunny conditions here in Spain. If this was UK light it would be around 5-10 seconds at f2.8 at ISO3200.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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