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Apocolibri

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About Apocolibri

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  1. This just in from Phil Burghard at Zen in Ft. Lauderdale, Fla.: "Thank you for reaching out to us. The WA-100-EP714 was designed specifically for use with the Panasonic 7-14mm f/4 lens and it performs very well underwater. With that being said, it is still a rectilinear wide angle lens behind a dome port so some corner softness will be present. This is true even with large DSLR systems and 9" dome ports. This can be greatly reduced by shooting around f/8 and if needed you can also bump in the zoom to 8 or 9mm for when your subject enters the extreme corners." One issue is the fact that the zoom gear has been discontinued by Olympus. I'm not seeing one available anywhere so far.
  2. I think the purple flare is really exaggerated, Tim. I've never personally seen it and I use the 7-14 a lot. At the same time, I don't shoot into the sun so that may color my opinion somewhat.
  3. I'm looking for reviews from anyone who has used the Zen dome port (WA-100) on the Olympus PT EP13 housing for the OMD EM5 Mk2. I'm considering buying this housing, but only if I can use my Panasonic 7-14mm lens and get decent corner sharpness. I'm also wondering if there is a zoom gear available for this port as I'd like to be able to adjust the angle of coverage while underwater. My copy of this lens is killer sharp on land and I'm hoping that with this port it might serve me well underwater. Thanks for any opinions offered.
  4. Hi Luke, The Novus product is made for flat sheets of acrylic or plexiglass... like that used in picture frames. So while it does an excellent job removing superficial scratches from these sheets it's not designed to remove the microfine scratches you're seeing on an optical port. First, make sure you're using a soft flannel cloth and nothing else for the final polishing step. Next, go to this website: http://micro-surface.com/index.php/products-by-type/micro-finish.htmland go to the left side of the page and click on: Products by Type. That will take you to: Micro Gloss #5. This will remove 9 micron scratches. Next use their Micro Gloss Liquid Abrasive, Type 1 Cleaner and Polish, again with a soft flannel cloth (also sold here under Products by Type/Flannel Cloth). This will clean 1 micron scratches. Finally, use their Micro Surface/Micro Finish Polish to complete the job. The 2 oz bottles plus the flannel cloths will run you under $26 plus postage and these will restore your dome to it's original finish. I tried the Novus products, which I've used for years to polish sheets of acrylic glazing for picture frames, and it left a haze with fine scratches that could be seen in a directional light. I also mistakenly used a micro fiber cloth, which I was later told to never use for applying the aforementioned polishing compounds by a Tech Rep at Micro-Surface Finishing Products. You can be penny wise and pound foolish by trying to do this on the cheap... but if you want the best results I'd suggest the products mentioned above. I made the usual mistakes before finding this company online and I'm stoked that I did. Lawrence
  5. Thank you for this information, sinewo. This is exactly what I wanted to hear.
  6. I have some questions about recommended ports/lenses on your housing, so if you could contact me at apocolibri at mac dot com we could proceed. I'm interested in all but the Keldan lights. Lawrence
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