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mattdiver

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Everything posted by mattdiver

  1. ... and a 150m-rated version is also available upon request, which uses stiffer springs for the control to eliminate/mitigate the problem mentioned by Paul in the above post.
  2. Try taping off the top right hand pin in your camera hotshoe. I had the same problem with an inon strobe and that solved it...
  3. To add to what Alex mentioned above, that technique has the most chances to be effective at dawn, dusk, or night for the reason he mentioned.
  4. Interesting concept, especially with the added comments... Which software did you use to create the contact sheet?
  5. If you try and it is genuine, let me know, I need more glass
  6. Actually, the common idea that shorter focal lengths give wider angle-of-views is correct when comparing "normal lenses" (as Paul explained, they use the same type of projection). When you go to a fisheye lens, the projection type is changed to achieve a very wide angle-of-view (generally 180º or more). So you can't compare a 14mm "normal" lens and 15mm fisheye. You CAN compare the images projected by different fisheye lenses, though. For a good example, check out the images from the 8mm v/s the 15mm Sigma fisheye lenses...
  7. For me, the real issue is the composiion, not the colours. Your shrimp is too near the bottom of the frame, with a vast space at the top with nothing of interest. This is likely to come from your trying to fit the antennae (not sure that's the right word for it) entirely inside the frame. This is a common issue with shrimps and lobsters. By comparison, the shrimp stands out more in Herb's shot because it occupies more space in the frame, at the expense of the antennae.
  8. Hi Craig, Welcome to WP! I'm sure you'll find lots of useful tips on getting started here...
  9. The project looks interesting, but the page layout could be improved. Even with a fast connection, the slug photo page takes a long time to load up, and it's likely to get worse as the collection increases in size. You could try and sort them by family, and only display one family at a time?
  10. This is a very common problem with polycarbonate housings. Here are a few pointers: 1) If there is space, insert some silica gel packs into your housing, between the camera and the housing wall. These acn be bought for a few dollars from camera shops. 2) When going into cold water, point the lens up, and introduce your camera into the water slowly. Condensation will tend to form thinly and almost invisibly on the back of the housing instead of the front (i.e. the port). 3) If you're using an external strobe triggered by your internal flash, set your flash compensation to the minimum (e.g. -2.0). This is done by pressing the Lighting +/- sign on your camera. Only do this if you're using a non-TTL external strobe. Good luck!
  11. Nice samples, Dave. This confirms my orignal assessment of the camera. Do you happen to have any sunburst shots? I think the D80 should handle those well...
  12. Have you tried Bibble? I'm not one of their sales rep, but I love this piece of software
  13. You should download the latest version of Adobe Camera RAW here: http://download.adobe.com/pub/adobe/photos...era_Raw_3_6.zip Then try again...
  14. What did you use to fix the glass to the port? It looks like clear silicone or glue. Most ports use some form of mechanical restraint to hold the front element (screws, clamps, etc.), in addition to a sealing/waterproofing system (silicone, gaskets, etc.). Let us know how the water-tightness test goes...
  15. Nice images, Rai. This lens looks very promising for underwater use...
  16. H ha ha! With a topic title like this one, you're going to break all readership records on WP...
  17. Singapore, Riau Archipelago (Indonesia) and East coast of Malaysia: pretty much 27ºC to 30ºC all year round: skins or 3mm suit. Mauritius: 27ºC to 29ºC in summer (November to April) : skins or 3mm suit 22ºC to 24ºC in winter (May to October) : 7mm with a hood (yes, I know, I join Mike in the ranks of the wimps )
  18. Verry funny... Moral of the story: do not dive with a harpoon
  19. Signed up a couple of days ago, and posted a few pictures. I like the ability to include the location where the shots were taken on a world map. Didn't manage to include that feature on my personal website yet
  20. We're only on 30,000kbps with Starhub here... But seriously, regardless of download speed ability, if there was a problem with the server of origin, download speed would still be slow...
  21. Like Dru, I don't have any problems here. Didn't notice any slow-down...
  22. I normally stay at Pacific Suites on Kent Street when in Sydney. The rooms are nice and the location's great: only a couple of minutes walk from the harbour, the shopping area and the watering holes
  23. I'm certainly no expert in this, so take this for what it's worth, but this mantis looks like a Lysiosquillina (maybe a Lysiosquillina Maculata) although it's hard to say with most of the animal hidden in its burrow...
  24. I don't know the settings you used on this shot, but what could also help in future is to increase your aperture a bit (or even a lot) and reduce the strobe power proportionately. This will achieve several things: - Brighter background = better separation with the black wetsuit - Less strobe = less flare/burnt highlight - Less strobe = less risk of backscatter - Less strobe = more shots per battery charge + faster recycle time There's an excellent article on shooting in low viz in the current isue of UWP Magazine that explains this in detail (shameless self-plug!)
  25. I was in the same situation earlier this year, and got to do a few dives down south with Dive Victoria out of Portsea (http://www.divevictoria.com.au/). I dove on some "reefs" (not sure that's the right term in temperate waters) with unusual fish and nudibranchs (at least for me, normally a warm water diver ). Marine life was rather abundant. Also got to dive on WW1 sub-marine wrecks with sea lions. That was awesome! There are four WW1 wrecks in that area, plus a whole lot of other wrecks in "The Graveyard"... Water conditions in December would be fairly similar to the Mediterranean in the South of France in June...
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