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03-11-2018, 10:23 PM - 2 Likes   #1
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Philippines (Swedish expat) underwater photo/videographer bug shooter legacy hoarder

Pentaxian Dad so inherited some Legacy. Main interest, underwater critter hunting and supermacro. Kinda like birding in water with a "smaller than 2X macro lens". Hoarder/barterer/seller of all kinds of lenses. DIY and repair aficionado, there's nothing that's not broken that can't be taken apart and broken...

Not many options for Pentax underwater so right now shoot some other Japanese cameras.

Mainly here for the excellent legacy lens reviews but can help with any underwater/land macro related questions.

Shot is full frame, about 5X, with Nikkor 105, TC14E and a DIY waterproofed Raynox MSN-202.




Last edited by pjv; 03-11-2018 at 11:35 PM.
03-11-2018, 11:44 PM   #2
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Hi from Australia Carl, and welcome to the Pentax forums. Good to have you here.


PS. Excellent 1st image, looking forward to seeing more.
03-13-2018, 04:38 AM   #3
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Welcome, looking forward with interest to seeing your posts, as there's not many macro underwater folk about the place.
03-13-2018, 06:56 AM   #4
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Thanks guys...


Last edited by photolady95; 03-13-2018 at 07:12 AM.
03-14-2018, 08:22 AM   #5
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That photo is stunning! Do you have any pictures of your DIY waterproofed setup? How do you work lighting for that? How do you get focus at 5x without a macro rail? And what species is that critter?
03-14-2018, 08:54 PM   #6
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Thanks, it's an undescribed species of Amphipod, can't even find genus. So much down there is still not named.

Lighting for DSLR is by strobes, Ikelite DS160. For compact and 4/3 rigs sometimes only use LED flashlights, with or without snoot for controlling beam.

Water is an excellent image stabilizer, it's all hand held. Autofocus works with added focus light, some hunting though. Use manual focus and rock, same technique as land macro. DSLR got an added viewfinder built for water. For compacts & 4/3 focus peaking is a good tool.

Use 2 67mm UV filters and acrylic tube with 40mm ID/50mm OD. MSN-202 is put inside tube, one filter on each end and sealed with silicone. Not sure tube is needed, next try will be without tube. Reason for 67mm is that most ports/housings use that standard, 52 and 77mm is rarer but exists. Also built wetlenses using cheap +4, +8 and +10 macro diopters. All is explained on a FB group called 'Scuba DIY'.
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03-23-2018, 06:27 PM   #7
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