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Showing content with the highest reputation on 10/28/21 in all areas

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    I reviewed the system you are using for the current issue of UWPMAG.com and to me it is the best entry level interchangeable lens camera, lens and housing at the price. Nothing but compact cameras even come close. If you own both cameras then you should have a good grasp of the differences between the two for the type of U/W photography you are doing. The 14-42 kit lens is hard to beat for wide angle with add-on wet lenses like the AOI UWL-09 pro or Nauticam WWL-1B. For macro the 60mm is excellent. Both are supported for the AOI EPL-10 and AOI EM-5 III housings and so is the 8mm fisheye.
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    If you can get the RX100 before hand to practice with it I would totally recommend that camera; it would be a great camera to document your activities above and below water. If not I would say the GoPro would be the next best thing since they are so easy to operate.
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    He had a problem with his mail server. Everything is fine now
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    Hi all Now I have my setup: Nikon Z62 Nikon 8-15 lens Nikon FTZ Isotta housing 4.5 glass dome+ zoom extension 2 Sea&Sea YS D3 mark 2 All: 6.9 KG Much lighter than expected. Cool !
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    This is an extract from a table for matching various oils and grease with materials. The Elastomer section shows that the PFPE grease is the only one that is compatible (indicated by green arrow pointing up) with all elastomers listed. If you want to use only one grease for your O rings PFPE greases such as Christolube, Tribolube, Krytox, etc is the way to go.
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    This is one of the questions what confuses people the most. Many underwater camera shops display their greases wrongly also. Here's what I have gathered about O-rings and their greases: - The coloured O-rings made for underwater camera equipment are made of silicone rubber. Do not use a grease that has silicone in it. - Most of the O-rings.. plumbing, DIY etc.. in the world are made of Nitrile rubber and are usually black. These can be lubricated even with silicone grease. For a fact I know that all ikelite housing O-rings are Nitrile. (From plumber's merchant you can also buy dark brown O-rings that are actually made of silicone) - How to recognize the two different materials? If both O-rings are not lubricated the silicone rings feel much more slippery between your fingers. The silicone O-rings also are softer if you squeeze them between your thumb and index finger. - How to know if O-ring grease has silicone in it or not? This is the hard part as many reputable shops label their O-ring grease as "silicon grease" even when the grease does not contain silicon. Sometimes you hear a word fluorosilicone mentioned when talking about these kinds of greases. Most of the greases in UW-photography world are these types and can be used with all O-rings without fear of swelling. Interestingly Sea & Sea say that their grease includes silicone... when in practice it has been known to work with all O-rings. It could be that their silicone is the fluorosilicone type. - If you have bought Ikelite products you need to be careful. Their stock grease includes silicone and should not be used with any other brand. Hence my advise for Ikelite users, who mix and match other types of lights for example... is to throw the grease away and use generic O-ring grease. - Safe greases for all O-rings are at least: Sea & Sea, Inon, Olympus and Nauticam. I'd be wary of grease from a builder's merchant as many of these include silicone - I'm sure there are all sort of weird exceptions to these rules - I should add that even Sea&Sea used to do two types of grease. Years back I saw Sea & Sea grease in a white tube with black cap. This grease was somehow different. The current yellow tube the only type I have seen for years.



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