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Down here in Australia the price difference between Nauticam & Marelux isn't that great unfortunately - tariffs might be the cause of the bigger price difference in the U.S. Nauticam is supported extremely well by their distributor here - good stocks of housings, ports, focus & zoom rings, etc. Isotta fairly close to that, unfortunately the distributors for Seacam, Aquatica, Marelux, etc keep little stock and don't keep their websites up to date when new models are released etc. Having said that I am considering the Marelux Apollo III 3.0 - they have some features that suit me. The local distributors are still listing the 2.0 and haven't even listed the 2.1 yet so I will have to email them about a price for the 3.0. They haven't listed the housing for the A7RVI yet either. The other distributor doesn't list any of the Marelux strobes. I will take a look at those UWPmag articles that you mentioned - cheers!

It seems like they developed their own (kind of) LUTs to conform color spaces/gamuts of various camera manufacturers into Davinci wide gamut intermediate color space. Similar to what standard LUTs do to conform log profiles to rec.709. So if you want to deliver log footage for HDR rec.2020 you do not apply rec709 LUT on it. You set your project for davinci wide gamut and unless shooting arri or other cameras providing info in metadata you tell davinci manually which color space and gamma you were using recording particular clips. As for magenta - don't fret over it that much in this case. There is Magenta and there is Magenta. One magenta that you see in shadows of water column means wrong white balance. But the other magenta that you saw on my X6 sample is perfectly natural and you can see it with your own eyes when looking up the water column at certain depths with blue skies above.

I have a lovely Canon 1Dmkiii that I adore but never use anymore so should move it on and put those funds toward more underwater related things! I had a look on ebay. There are quite a few and the prices are all over the map for both the recently sold and listed. I don't understand and have no clue what price is reasonable. Does anyone have any suggestions on where to try to sell it? Can be USA or Australia as "local", but of course, can ship anywhere. Thanks!

Focusgear is sold now... Lens and Macroport are still available (620 Euro together)...

That Sigma 20-200 is very tempting as a do-everything sort of lens. Like the 12-50 on MFT but both wider and tighter. Should be a very easy zoom gear to make as well for us Nauticam folks.

Welcome from the cold, clear waters of Tasmania!

Many thanks! I was hoping that the website would say that the 3.0 offers better this, this and this and we have added this and this (compared to the 2.1), but your post has now provided that information.

Re tests with 16-25 which I own: With 180 dome, A7CR / A7RV body, 25mm adapter, 50mm ext - alignment is theoretically perfect (0mm misalignment of OC at EP). IQ score at 16 is corners 2 at f8, 2-3 at f11. At 25, score is almost 3 at f11. I have explained my scoring system in previous posts, but for a quick recap, I look at the area of central sharpness at 100%, to see where it falls off (stuff that should be in focus is in sharp focus - quite easy to judge). 2 = a circle of 24mm diameter (touches mid long sides of 3x2 FF frame), 3 = 36mm (touches mid short sides of frame). With 140 dome, 25mm adapter, 35mm ext - alignment is -3mm (i.e. 3mm too long). Score is identical to the above (surprised me). As a variation you could reduce ext to 30mm with alignment of 3 (needs 3mm more). You could also use 35mm adapter + 20mm ext. Re Nauticam port charts, I emailed them and spoke to their agent about including this lens - no joy there (unsurprising given their lack of customer support). NB - you will need a zoom gear. Not available from Nauticam but fortunately the gear for 24-50 fits well (these two lenses are a matching pair from Sony). Final point: given you have 20-70 on your list, I would buy this first - it may be that 20mm is wide enough for you. About 10 degrees difference to 16, and works well with 180 dome, plus giving you handy close-up ability. Unfortunately, 20-70 does not work well with 140 dome (radius of 70mm is too small to accommodate the lens extension of about 40mm at 70mm FOV, so you cannot achieve decent optical alignment). However, 140 should be OK with new fisheye (fingers crossed)!

Nice to hear from you. What boat are you going on ? Raja is our favorite place so far, so we booked a return visit for January.

You are thinking of the EMWL. I'm talking about this lens: https://www.nauticam.com/products/macro-to-wide-angle-lens-1-mwl-1-150-deg-fov-with-full-frame-60mm-macro-lens Although obviously nowhere near as wide.

Interesting…potentially macro, super macro, mid, and mid-wide with a 90/100 and a triple flip.

Hi Sharyn, Welcome aboard! Ciao

Some improvements will be better quality flash tubes tested to 1 million flashes at five second intervals at full power. These tubes also make the manual power settings more uniform across the range. Perhaps a small power increase, to increase power you decrease recycle times so max power is not the goal but rather a balance of both. Our strobe already has a 120 degree beam angle with a beaded dome which softens light across the frame. Many competing strobes have a flat front with a narrower beam angle which may look brighter in the center but don't extend to 120 degrees and with a diffuser added to reach 120 degrees power is reduced often by a stop or more. The modeling/video light is new and is 3000 lumens at 5500K and with a CRI of 95. Some other strobes have higher lumen target lights but with low CRI values. We have universal compatibility offering Manual, TTL, RC (including RC-Manual, RC-TTL, and RC-FP), Pre-M, and HSS. It also introduces Marelux’s proprietary MTL mode not offered on other strobes. The Apollo III 3.0 continues to lead with its advanced wireless optical triggering technology. Working with the LumiFlux and Artemis 4500RMT 2.0-S or the earlier Lumilink, it delivers a reliable remote triggering range of up to 15 meters, even at depths of 10–20 meters underwater. Without the restriction of fiber-optic cables, you can position your Apollo strobes anywhere within range, unlocking ultimate freedom and creative potential for your shoots. You can find all of this information and more at the link. https://www.marelux.co/products/apollo-iii-30

Not at all like MWL-1, not upside down and backwards and not nearly as long. More like the MV60 that takes 90 to 105 in the 50/60mm angle of view, MV24 will take the 90 to 105 range to 22/24 AOV range on a flip adapter along with the Mv60 or by direct mount. Minimum focus to infinity to be determined.

Regarding the Sony FE 16-25mm F/2.8 G I want to be clear that I said I tested it in the 180mm dome port I did not do a test in the 140mm port. Second I don't think the 16-25mm appears on the Nauticam charts with any port. The Nauticam charts do show the 16-35mm F/4 and they say that lens works best with the 250mm port and 70.5mm of extension. It also works with an N100 180mm port and 50mm II extension but in the N120 180mm port it takes the N100 to N120 35.5mm II extension and the N120 20mm I/II extension or 55.5mm of extension. So thats's the 250mm port that does not appear to exist in N120 anymore. N120 180mm port $1700.00+N100 to N120 $680.00+N120 20II extension $660.00 or N120 20 extension $390.00 total $3040.0 or $2770 depending on extension. Advantage will be the N100 to N120 can be used with other ports and lenses. The N100 180 port $1600+N100 30II $550 and N100 50II 610 total $2760. The upside all N100 and the down side may not be as usable with larger lenses and ports. With Marelux it would be the Marelux five inch 180mm dome port and five inch 40mm extension. That's $1380 port and $286 extension with lock. Total $1666.00, works with any lens on the lens chart and interchangeable between all full frame camera brand housings, so Canon, Nikon, Panasonic or Sony. Nauticam housing for Sony A7R VI $4800.00, Marelux housing for A7R VI $3398.00 a difference of $1411.00 so $7560.00 NA housing and port system (cheapest option) V MX $5064.00 all in with no accessories like vacuum, flash trigger. I have owned more than ten Nauticam housings over at least nine years or more, they make excellent equipment but so does Marelux, Aquatica, Isotta, Seacam and several more in the aluminum housing market. For those entering and buying an entire new system or looking to upgrade they should really look at all that is being offered currently. One manufacture is not the Holy Grail for housings, wet lenses, strobes or other related items. I reviewed the Tamron 17-28mm in uwpmag.com, back issue #119, you may also want to checkout Sigma 17mm F/4 (outstanding lens) issue #133, Sony FE 20-70mm issue #132 and many other related items. Back issues, Phil Rudin in the search engine for about 120 more articles. So far - - Sony 16-25mm F2.8 G - Sony 20-70mm (F4 G model?) - Tamron 17-28mm You may also want to add, Sony FE 16mm F/1.8 Sigma 17mm F/4 Sigma 20-200mm F/3.5-5.6 DG, this lens is supported by Marelux with a zoom gear. It focuses to 1:2 from around 28 to 85mm (better than the Sony 20-70mm) and in the Marelux 180mm port it will focus from 20mm to around 140mm. It is also a better choice than the Sony 70 to 200mm F/4 macro which is also supported by Marelux. Images with Sigma 20-200mm at 20mm and 81.1mm behind a180mm dome, impressive coverage to me.

Hi I'm Sharyn, Australian living northern NSW. I'm a wildlife photographer not long ventured into the underwater world. Here for the community and tips :)

Wow Ron nice video, bummer on the auto white balance but you captured some nice scenes. The Komodo dragon at the end was classic I was worried he was going to eat your camera!!! Kelly and I will be in Raja Ampat in December.

Congradulations that's some beautiful Six Gill footage. Well done!

Like an MWL-1 for longer focal length and not quite as wide. I'll be curious to see cost and some test shots.