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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Roy C

    The 7D has landed!!!

    The shutter speed thing is only applicable if you hand hold or do not have good support - I regularly shoot 600mm at around 1/250 sec or lower and still get very sharp shots, even when cropped heavily BUT I am using a good quality tripod and gimbal head.
  2. Roy C

    The 7D has landed!!!

    To be quite honest Pete, I have always set my on full stops because I can judge the exposure better, I almost always shoot in manual and by using full increments I know the correlation between ISO, aperture and shutter speeds is double or half if you know what I mean. It all stems back from...
  3. Roy C

    The 7D has landed!!!

    I have done the same Phil.
  4. Roy C

    The 7D has landed!!!

    Must have been a great site Christine.
  5. Roy C

    The 7D has landed!!!

    Spot AF reduces the size of a normal focus point.The benefit of Spot AF is its ability to let you pin-point focus upon a tiny area of a scene.
  6. Roy C

    The 7D has landed!!!

    Attached is a shot I took last week (both full frame and the crop). Not a particularly good or interesting shot but it does say something for the 7D's AF ability IMO. Through all the clutter it managed to nail the birds head. I probably should have used spot AF for this type of shot but it was...
  7. Roy C

    The 7D has landed!!!

    Where is this from one of the grey market importers or a smaller firm I guess as the cheapest on Camerapricebusters is still £1240
  8. Roy C

    The 7D has landed!!!

    Good question Andreas, from what I have read Cfn III-3 is best on position 1 if you are using multi points like zone AF but if you are using point expansion then position 0 is probably best. I have left mine on position 0 and it works fine but I do not use zone AF. I too,would be interested in...
  9. Roy C

    The 7D has landed!!!

    John-Henry, accurate exposure is what it is all about IMO - under exposure that is pushed in processing would look terrible, especially in the shadow areas. On this shot the exposure was just about right but I would have preferred it to have been a 1/3 of a stop more to the right even if the...
  10. Roy C

    The 7D has landed!!!

    Just found out what happened to the Beak Steve - when I ran the aggressive BG noise reduction I never masked out the beak so it was noise reduced to oblivion LOL. I have just done a very rough and ready re process to show that it did indeed have a beak.
  11. Roy C

    The 7D has landed!!!

    I have been looking at that myself Steve - it is on the RAW shot but only just visible as it blends in with the BG at that point. I guess something in the processing has made it disappear as the BG is darker on the finished shot. Not really that bothered as it is only a record/test shot at the...
  12. Roy C

    The 7D has landed!!!

    The strange thing is Pete that this is the only window in the house that more or less never gets cleaned because of its position. I had the glazing unit changed a couple of years ago and I am sure it is that self cleaning glass that you can get nowadays - goodness knows how it works but it does.
  13. Roy C

    The 7D has landed!!!

    Nothing more than I would normally do at ISO 800 JH. A very light reduction over the bird followed by a heavy reduction over just the BG (I use NN plugin in CS4)
  14. Roy C

    The 7D has landed!!!

    I posted this shot on the Gallery today but for those that do not look at the Gallery I though I would post in this thread. it was a Grabbed this shot this morning from my computer desk Considering it was shot with a 2x converter, through a DG window at ISO 3200 it has not turned out too bad...
  15. Roy C

    The 7D has landed!!!

    In my case I was already to send my camera back after a couple of days and a friend encouraged me to give it a bit longer, after a week I was delighted with the camera. I am not saying that you have not got a 'lemon' but people encouraging others to make sure it is not user error before...
  16. Roy C

    The 7D has landed!!!

    Hi Ron, re the snow I used the shadows/highlight tool to dampen down the highlights (which was the snow of course) and recover the max amount of detail. I also made sure when metering that I did not completely blow the snow.
  17. Roy C

    The 7D has landed!!!

    Thanks Phil, everything I have read about shooting through windows say that you should be square on to the glass but I have found this not to be the case - I have many shots from my computer desk which is about 30 degrees to the window and they are better than being square on in my experience...
  18. Roy C

    The 7D has landed!!!

    Like most folk when they get a new toy, I could not wait to try out my 7D. The first day out was crap light and I was snapping birds from a distance I would not normally shoot at - when I got home and looked at the shots I was bitterly disappointed and thought about returning the Camera right...
  19. Roy C

    The 7D has landed!!!

    That certainly looks pretty pretty good to me for ISO 6400.
  20. Roy C

    The 7D has landed!!!

    They look pretty good to me Rob, especially seeing they were at ISO 800 and through a window - keep up the good work.
  21. Roy C

    The 7D has landed!!!

    Here is a better example of slow tracking sensitivity at work from yesterdays shoot. The focus point is clearly over the shore/water line some 10 metres behind the bird but the bird is still sharply in focus because the slow tracking has not yet acquired focus. With the 40D it would have latched...
  22. Roy C

    The 7D has landed!!!

    To my mind the biggest advantage to BIF compared with other non 1 series cameras is the ability to be able to set a slow tracking sensitivity speed. Here is a good example of a shot I took yesterday. You can see that I had lost the bird in the focus point and yet the bird is still pretty much in...
  23. Roy C

    The 7D has landed!!!

    These were taken with a 2x tc PLUS a 1.4x tc stacked, please read the post. - just the 2x tc gives far better images than this. My post was all about the 7D's AF performance when out of spec (e.g. f8) it had nothing to do with the 300/2.8 or any other lens. It should be of interest to anyone...
  24. Roy C

    The 7D has landed!!!

    There was some nice light today so I tried the 7D AF sytem with stacked 2x tc and 1.4x tc on my 300/2.8 (effectively f8 but the camera only sees the 2x tc so attempts to AF). The results were pretty good, on birds with high contrast like Oystercatcher and shellduck the AF was fast (centre...
  25. Roy C

    The 7D has landed!!!

    Some nice shots there Tim, especially the bluetit. I agree with you on two counts, camera shake and DOF a) You need a steady platform or higher shutter speed to get sharp shots (I already use a tripod most of the time so no real problem) b) I am using a 2x tc with my 300/2.8 most of the time...
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