So, it looks like they’ve designed a 3D printed camera body, that takes EF lenses, and they use a raspberry pi sensor to capture the image.

The lens they’re using is a Samyang 300mm f/6.3 reflex lens.

Like all mirror lenses, it will be fixed aperture, and manual focus with no zoom (Yes I know, someone somewhere built an autofocus reflex).

I think, if you’re looking at buying this lens, you need to rely on the seller telling you what mount it has, which can is very unhelpful if you’re buying used. Keep in mind that this lens won’t have any electrical contacts like most modern lenses do.

So, you’re looking for an EF mount right? Is that what your camera takes? Because it’s available to fit Canon, Fujifilm, Sony and Micro Four Thirds mirrorless cameras.

https://en.wikipedia.org/wiki/Canon_EF_lens_mount

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Here’s a review

https://www.dpreview.com/forums/post/51840708

Friendly reminder that flashes can be very traumatic for the fish.

I own an anglefinder with a built in diopter. It also has selectable 1x or 2x magnification.

You can also buy inline magnifiers with built in diopters. Some of them are selectable by just flipping them up out of the way.

Is photography an approximation of reality?

Yes. Always has, always will be. I mean, nothing in our world is two dimensional.

Sometimes I like to try to represent the world as accurately as I can. I like the feeling of recording an event. These photos get minimal modification: denoise, hot pixel removal, white balance, crop, rotation, exposure compensation.

Other times I just like creating art. Sometimes I modify my photos so much that they aren’t even recognizable any more. The photo was just an inspiration, a catalyst that sparked off a series of experiments that resulted in a final piece that cannot be called a photo, but is still a valid piece of art.