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Hi and welcome aboard, hope you enjoy the forums!

Hi all, I'm a newcomer to underwater macro photography as of last year. This community has been a huge help in my journey so far, and I’m looking forward to joining the conversation, sharing techniques, and learning more from you all.

I tried Ceroxid and it worked perfectly. Thanks a lot.

Very nice photos! Aloha and welcome @benonoir !

I'm finding the newer LR/PS tools are pretty good for some of this work, but only if you're not opposed to the subscription model.

if they are asking for 300 dpi images they don't actually know what they want, they need to supply you with finished size, 300 dpi by itself is meaningless . 3840 x 1920 image is 32 x 16cm at 300 dpi. if you just type in 300 dpi on your 72 dpi image with resample selected it will make a 16000 x 8000 image which will look pretty average. If you send me the image I'll email it back in a few hours

I don't know what they didn't like. It's a film festival and I had with them only formal exchanges. I shared a folder with 5 good 4k frames and they replied to me that for promotional material they need 300 dpi images. I tried with my vintage Photoshop and results were meh

Thank you indeed. I will PM you soon

What didn't they like about it? just the pixel dimensions or other issues. If a little soft you'll only magnify that if upscaling. The other thought is have set black and white points and pumped up the contrast a little, that always helps give the impression of sharpness. Assume you've gone through and picked your best frame and assuming that looks OK, bring it into PS and upscale it to 7680 x 3840 apply a little sharpening then re-size to the pixel dimensions they want. A good pic printed properly should look pretty decent at only 150 dpi. What finished dimensions do they want? Happy to give it a go with the standard PS tools, not sure how big the file will be but a jpg should email OK.

Still not able to click through to sign up for the beta (using my MacBook M4 Pro)? Edit: Just tried again and was able to get on the list.

Someone on Facebook / Alex Mustard group just asked a similar question. I'll share the same answer I posted there: The MFO-3 only exists because Sony doesn't have a decent lens in the 60mm range. Nikon has an excellent 60mm, so MFO-3 seems like a superfluous product for that system. Instead, using an MFO-1 and SMC-3 gives you a huge range paired with the native 60mm. I'd rather shoot a 60mm and use a diopter than use a 105mm and then "shorten" it with a hack like the MFO-3.

I can try it in Topaz if you like - not sure how it will come out but happy to give it a go!

Yes it's 3840x1920 but they didn't like it and while I have a collection of NLE software and even a video upscaler, I have a vintage Photoshop 3.

What are the pixel dimension changes, was it 4K footage to start with? Depending on how big the poster is, a good 4K frame should look halfway decent at that resolution.

Cheers. Good and thorough run through of various WA options and what they can bring to the table.

I have been asked for a high-resolution photo (300 dpi) for a poster for one of my videos. I only have a photo extracted from a frame at 72 dpi. I tried with an old version of Photoshop but the result is not great. Is there any kind soul who has AI upscaling software and can convert a jpg for me? Thank you in advance

Hi. No sorry I’m using Sony a7. I have only recently got the Mfo 3 so still getting used to it. I like it so far and was really surprised how close I can get the lens to a subject and be able to focus. Off out to the Red Sea soon and looking forward to using it out there

As I wrote I have that one and I've been using it for years: nice indeed but forget to attach/detach it underwater

Aloha and welcome @Rustico !

Love this option. Talked to the folks at Yellow Diving and now just have to figure out how to get it from Poland to the USA. If anyone has suggestions I'm all ears. Poland post isn't shipping the the US, UPS/Fedex/DHL Express are extremely expensive. Grrr.

Quick update. Shipped a new Mac version with HW acceleration that massively speeds things up. Shipped the new tagging structure. Working on Windows HW acceleration. Found a few bugs in the species matching pipeline that disproportionately affected certain marine species and will roll out that fix shortly. Did some tuning of the sharks and rays detector that is resulting in much better matches. Lots of little workflow changes as well. The beta is currently full but please still apply if you have expertise in nudibranchs or are into kelps/sea grasses.

Hi Ben, Welcome aboard!

Hi, I'm Ben from Switzerland. I dive since quite many years now, but mostly only a few weeks per year, like 1 or 2 or 3 weeks, depending on the holidays plans. I recently put a few of my underwater pictures online there : https://www.b3no.ch/photos/underwater/ Actually, I also put my full divelog online (the pictures of each pages the logbook themselves), and also some technical data extracted automatically from the pictures (tech data + marine life seen and other comments). This does include also some computer data, which generates the dislplay of the dive profile. Actually, I think that one of the the nice feature of this small personal website is that the photos on the site, are matching a dive #number in the divelog, and then, based on the EXIFS of the photography and the dive-computer data that are cross-checked, it's able to draw a small point on the dive-profile showing when the picture has been taken and at what depth. So those are all static data, and I have build scripts that generates the webpages automatically. The comments and descriptions are mainly in french, but there are also plenty of other data understandable for non-french-speaking person. For example this is my last dive in Marsa Nakari, south of Egypt, a few weeks ago : https://www.b3no.ch/divelog/445/ And on that divelog page, it's matching 3 pictures from the galleries. The pictures are displayed on top the divelog page, it automatically writes the depth, and then a few tech data and notes extracted from the logbook, Then some marine life information also taken from the logbook. And finally a screen capture of my logbook. My dive buddies and I love to stamp our logbooks, and especially for that last dive of the holiday week, you can see a lot of personal stamps and personal messages on those captures of the logs. Also EXIFs are available when a picture is magnified. Cheers, ben

Here a written review from Alex Mustard on the OPP: https://www.amustard.com/seacam_opp/?fbclid=IwY2xjawRWpYtleHRuA2FlbQIxMABicmlkETF5VlZybEI5M2VkM3Z6VkRVc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHrL_VAnrzLArTrNKHmqNk-rDr0RmjPEwp192aXJj4wLj6gI8B89VBYkxx2KB_aem_JeinsEUaFTq2fWVTuFXrHg (Now the question for me is, whether and how I could use the OPP with my Nauticam Sony A7R5 housing and with wich lens - it seems to be a great alternative to the WACP-C... 🙂)

You could probably forget about macro lenses then, a 24-70 or 24-105 in a small dome sounds about right??, anything shorter focal length the performance is probably compromised in a small dome. The 180mm Nauticam or 170mm Zen is a known quantity in the port charts, the 140mm should work but you may or may not be happy with it at 24mm, which you might want if the fish let you get close. I suspect the scoot to the general vicinity and stow the the DPV might be the productive option?