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Everything posted by Nemo

  1. James thanks for the compliment. You would be surprised at Scapa Flow water temp 53 degrees and there is plenty of light for diving with a decent light. Vis runs about 30 - 45 feet. Depths from 70' - 210'. World class wreck diving if you are into military iron.
  2. This is the tip of the barrel of the 5.9" stern gun of the SMS Coln, in Scapa Flow Scotland. Nicely decorated. Shot with a Oly C3040, Tetra, Inon 100 WA and 1 DX90 strobe. F5.6 at 1/40.
  3. You used the phrase "Task loading was too much for me" which may be something of more concern than the over exposed photos. Regardless of what is going on in with your camera dont forget you have placed yourself in an enviroment that can be very unforgiving. Dont lose sight of your diving requirments while trying to make a good image. One topic that isnt covered much in these forums are diving skills that should predate photo skills.
  4. I tend to think the DX90 didnt fire either. The cone of light you outlined with the arrows looks like it is from the cameras strobe if it has one?? On a budgitary note 2 DX90's for one SB104 $$.
  5. I have a C4040 in a Tetra & a Inon 100 degree lnon WA lens and use DX90's. I have read in these forums that others have had problems with these strobes falling off when shooting WA but I havent had that experience. I even have some well lite full frame images I shot with only one strobe.
  6. Okay most of this I know. I have used the techinque w/ B&W filn cameras and have actually used dive lights to fill in what would have been underexposed portions of an image. When calulating GN's for exposure with the strobe on the camera the strobe to subject distance is nearly the same as the cameras. When using a remote strobe does the greater difference in the stobe to subject vs. camera to subject distance need to be considered? Bear in mind that most of these images are of wrecks and "landscapes" in northern waters (Great lakes, North Atlantic, and North Sea). Vis is good 45 - 85 feet but it isnt like ceynotes or some tropical dives.
  7. Well I did expect this queston to produce more comment than the discussion on whether the Ike 400 had a slave function built in. Has anyone been using a remote stobe techinque or is everyone shooting in enviroments with a good deal of natural light? Nemo
  8. My name is Mike, I own a manufacturing co. (Yes we contract produce some dive gear) Im from upstate NY and so most of my diving in the No. Atlantic, Great Lakes and the North Sea. With an occasional trip to warm water thrown in. Been diving since 1972, university trained in scientific diving in the late 70's, mixed gas trained in 90's. Been shooting film on and off for most if this time. Went digital in 2001, Oly 4040 in a Tetra with strobes.
  9. Thanks for the info Ike but now you have me confused. I emailed you (your web site form) and the reply I got was no slave sensor. Since I am shooting manual for this type of wide angle image I dont need TTL. So my original question still applies how directional is the sensor built into the 400? Thanks again.
  10. I checked with Ike and you are right. They couldnt offer an explanation why their websites comparison chart says it has a slave. I think the site editor will be looking at that today. Thanks
  11. According to Ikes website the 400 has a built in slave. The only strobe in the line that way.
  12. I have been shooting large subjects (shipwrecks) with ok results with 2 camera mounted strobes. (DX90's) The camera is a C4040 in a Tetra with the Inon 100 degree lens. I am considering adding a 3rd slave strobe that could be used off camera to better light distant portions of the subject. I have been looking at Ikes Sub400 which has the slave built in, but I am concerned about the directional ability of the slave sensor since I dont think it can be aimed independently of the strobe itself. Anyone have any experience with this lighting technique and have any other suggestions for a strobe/slave.
  13. I use a UK SL4 on a ultralight adapter. Visit their website they have ball mounted adapters for a wide range of torches. The Q40 is very bright for its size but if you want to use it as your dive light as well it doesn't have much punch or burn time. Also the twist to light feature can be cumbersome. Look for a light with an easy to flip switch. That strobe attachement in the previous post looks handy but if your strobe isnt aimed at your center of focus (like in a wide angle shot) the aiming light won't help with your autofocus much.
  14. I am curious about the length of strobe arms any others are using when shooting large subjects with a wide angle lens. As a reference I have a Inon 100 degree lens on a Tetra and DX90 strobes.
  15. Okay lets see if the pic stays attached this time. This shot is of the tip of the 5.9 inch bow gun on the SMS Coln nicely decorated with marine growth rather than cordite smoke. This German light cruiser was scuttled in Scapa Flow in 1919. Shot with a OLY C3040 in a Tetra, 100 degree Inon lens, DX90 strobe. F5.6 shutter 1/50 Strobe at 100%.
  16. No blue water in Scapa Flow but alot of wide angle opportunities.
  17. No blue water in Scapa Flow but alot of wide angle opportunities.
  18. I just spent a week in Scapa Flow with my nearly new Tetra and C 3040. I have noticed the actuation force on the shutter button is a bit high and can be difficult to hit the sweet spot for a focus lock but practice makes perfect. Regarding the earlier post on the wetmate lens, it is the same lens that Inon makes with out modification. I have a 100 degree lens that I did not buy from L&M that fits the wetmate adapter on my housing perfectly. The trick is getting the adapter if you didint buy the housing that way.
  19. I was afraid of that and have heard the same thing from others. This may have to be the last housing I buy from them.:mad:
  20. Thanks for your thoughts. Back rolls with a technical rig (these are deep dives)arent really an option. The hand down is my prefered method too.
  21. This is a little off beat but I am wondering if anyone has had to deal with this situation before. In general I have my camera handed down to me or I hang it from a line to retrieve after my entry. However, when diving in the UK (Im going back to Scapa Flow in a few weeks) entries are commonly made on the fly (the boat is not anchored and is moving) and the free board on these boats is 4'+. Not a hard entry but Im worried about the impact on the camera and strobes. I didnt bring the camera on my last trip out so it wasnt an issue. Any thoughts? The camera is a Tetra with 2 DX90s.
  22. Has anyone tried or confirmed that the Inon 100 degree wide angle lens will fit the L&M Tetra Housing? If so it is a much more afordable alternative to the L&M Wetmate lens. Approx $400 vs $900.
  23. Great idea. Could certainly create some traffic at wetpixal and make an economical educational opportunity for everyone.
  24. James, Sorry I'm not Dave my name is Mike, and I live in Upstate NY. Glad you liked Daves photo's though maybe mine will be as good some day. Regarding the photo course Im intersted although we wont be getting in the water for about 6 - 8 weeks. Nemo
  25. James, Im not sure what the interest will be, but this might be just the forum to find out. The only other course I have found is by Marty Snyderman and it is a film course. It is not interactive so it really isnt anymore informative than reading a book. The cost is $50.00. Certainly resonable but of little use. My sense is that a course that was interactive were the student worked at his own pace would have significant interest. Since most divers dive at irregular intervals a weekly or even biweekly session might be too often to get the in water course work done. Also here in upstate NY in water work is 2 months away. Although file manipulation, archiving etc. are all doable now. Whoever taught the course would need to demonstrate their credentials too. (nothing personal . Mike
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