Our pond is covered, but not the bog. I think I may cover the bog next year so I can run it....I was worried it would cool the pond too much with it's surface area....but if it's covered might not be a concern.
Thank you for the camera info......I'm going to look it up
https://www.amazon.com/Barlus-Underwater-Camera-Stainless-Special/dp/B07CY12ZRR
Is it this type of camera?
same company, different cam but it will work. Bear this in mind as it goes directly to your own usage. I've found the specs for the 'fixed fov' lens, as the one you have listed, has a minimum focus of nearly 6'. What this means is anything closer will be blurry. I found the zoom versions can focus closer, in the 2' area or less. What you see in my vid, though, is with the lens racked back to it's widest (which would be similar to the one you linked to relative to fov ((field of view)). IF you can afford the variable zoom, I'd go for that as then you can move the lens focal length from 2.8mm to 12mm. The one you've linked to is 3.6mm and a bit narrower fov, compared to my widest at 2.8. This equates to my widest angle of view at about 100 deg and the one you linked at about 80 deg. I'll add some links to the wider, fixed fov and the variable one I have.
One word of warning, should you go this way; the instructions, if you're not PoE (router/Lan) savvy, are obtuse (Chinese company). I had to email and eventually got direct support to set up my system re all the LAN setup. Seems real easy now but I was a complete noob. The Barlus people were very helpful though and I could help in a pinch if it gets too complicated. I know the basics that I didn't know before. Another word; if you get one of these cameras, either variable focal or fixed type, you WILL need a PoE injector too, which is a separate purchase. Wasn't that expensive and the one I got allows me to connect 4 ethernet lines (I have 2 pond cams now and one in the basement for overwintering my turtles). I'll add that link too, in case you're interested.
This is the one I have that gave you this video; (I 'made them an offer' and they accepted)
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This is the one I'm currently watching as I may add another at the other end of my pond (I expanded); I like that it is 5mp as it'll give more than twice the clarity of what I have now, though it costs more than my original;
I couldn't find the 2.0 lens, wider angle version, they may not make it anymore.
This is the PoE injector (which you run to your router and your camera ethernet cords plug into); this unit provides the camera with Power Over Ethernet, allowing you to only need 1 line.