Looking to get into UW videography and photography for freediving. In particular wide angle or fisheye shot at 5-15m depth cliffscapes and open water shots of large marine life in okay to great visibility.
The idea of a used GH5 seems best so far for 4k 60p. I do like the 8mm Panasonic and Olympus Fisheye lenses but I worry about vignetting. Ikelite Nauticam and Seafrogs produce housings, all able to fit various dome ports.
I can't afford a Nauticam housing, probably not even used if I found one.
On the Ikelite page there's a chart that lists the 8mm FE lenses but only for the Panasonic is there any mention of vignettig with an 8" dome, perhaps a simple oversight and I've asked Ikelite and will see what they say. There's also the compact 8" dome but it only seems to add to the probem if I read the chart right.
Seafrogs is about half the price with a 6" glass dome (there's also an 8" acrylic option) but no mention of any vignetting concerns but I'm guessing there will be if there is with Ikelite.
www.saltedlineeurope.com
www.saltedlineeurope.com
Perhaps it's just not a good match in terms of budget, lens choice and purpose (pushing a big dome full of air isn't great for freediving either).
So I ask, anyone here got experience of making the 8mm Fisheye lenses work for them on the GH5 or perhaps have other budget friendly-ish suggestions for wide angle or fisheye shots?
The idea of a used GH5 seems best so far for 4k 60p. I do like the 8mm Panasonic and Olympus Fisheye lenses but I worry about vignetting. Ikelite Nauticam and Seafrogs produce housings, all able to fit various dome ports.
I can't afford a Nauticam housing, probably not even used if I found one.
On the Ikelite page there's a chart that lists the 8mm FE lenses but only for the Panasonic is there any mention of vignettig with an 8" dome, perhaps a simple oversight and I've asked Ikelite and will see what they say. There's also the compact 8" dome but it only seems to add to the probem if I read the chart right.
Seafrogs is about half the price with a 6" glass dome (there's also an 8" acrylic option) but no mention of any vignetting concerns but I'm guessing there will be if there is with Ikelite.

Lumix GH5Panasonic & GH5 S & GH5 II 40m/130ft Underwater Camera Housing with Optical Glass Dry Dome port
Panasonic Lumix GH5 & GH5S 40m/130ft Underwater Camera Housing with Dry Dome port


40M/130FT waterproof 8" Dry Dome Port for Panasonic GH5 / GH5 S SeaFrogs UW Housing.
EU VAT is calculated at the checkout page based on the order's destination country. We do not apply VAT or any additional charges for countries outside the EU. This product is also available at the www.seafrogs.com.hk website Shipping rates and destinations Sea Frogs 8" Dry Dome Port 8"...

Perhaps it's just not a good match in terms of budget, lens choice and purpose (pushing a big dome full of air isn't great for freediving either).
So I ask, anyone here got experience of making the 8mm Fisheye lenses work for them on the GH5 or perhaps have other budget friendly-ish suggestions for wide angle or fisheye shots?