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Even if you have a lens capable of resolving 160 lp/mm (unlikely), you'll have trouble achieving and maintaining focus, And that resolution is only going to be available at the center of the image, even on hideously expensive lenses. https://www.lensrentals.com/blog/2017/07/experiments-for-ultra-high-resolution-camera-sensors/ The bigger the image, the bigger the lens has to be and the more difficult it is to design and build a lens that can achieve a given level of resolution. Lens cost goes up roughly in proportion to the volume of the lens.

...this one got a quite lasting image of the sun!

Canon doesn't sell them anymore, but Lensrentals.com rents both Canons and Nikons DSLR's that have been modified to work in IR. (IR is currently something of a fad in the photography community though there's pretty much always someone working with it.)

Canon doesn't sell them anymore, but Lensrentals.com rents both Canons and Nikons DSLR's that have been modified to work in IR. (IR is currently something of a fad in the photography community though there's pretty much always someone working with it.)

Here is an opinion piece from the owner of lensrentals.com why, going forward Color Runs are no longer covered by damage waivers. http://www.lensrentals.com/blo...

That you can hack digital cameras to take photographs in the infrared has been known for years... There's enough interest that you can even rent them. (No commercial affiliation, just a satisfied customer.)

The problem isn't the camera, the problem is the knowledge to evaluate the resulting photographs.

Correction: Nikon (D600)

If your starting photography, I would try a good P&S that has control of aperture,. shutter and manual. It's easier to carry. Most DSLR kit lenses won't give you significant better quality pictures than a P&S camera. I would read various photography web sites.

The following are my favorite sites:
photo.net anything there is great reading.

lensrental.com: the owner has gone the gamut of different purchase, DSLR with cheap lenses, expensive zooms, expensive primes.
Lenses Don't Collect the Whole Set

Best Canon EOS lenses

Canon Lenses Reviews

And as another note, I would ask what type of pictures are you taking. Because there isn't one universal solution.
Option 1: I was very happy for years with a high end point and shoot like the Canon Powershot models. And really like the ones that use AA batteries. The upper end models have full control over aperture and shutter. And I was able to experiment with try different type of pictures. At the top, the G12 has one of the best lenses for a P&S. I usually went with lower priced models like the SX130/SX150. The SX130/SX150 use AA batteries. I kept spare rechargeable and spare alkaline AA batteries so I rarely had problems of batteries. Limitations: No interchangeable lens. Dust and water can easily damage camera.

Option 2: Waterproof/Shockproof/Dustproof camera. I would pick one of these for travel. They should be able to handle beaches, storms, etc.

Option 3: Indoor photography. I started to take indoor photography where flash is prohibited or the subject was too far away. So I needed something with a fast lens. This option eliminates almost all Point and Shoot cameras. I bought a DSLR with a 50 mm (f1.8) lens just to get the feel of this photography. And was able to take indoor pictures that were impossible with a P&S camera. I added a 100mm f2.0 lens to take indoor gymnasium sports photos. Limitations: larger, not as convenient to carry.

Other options: scaba diving, outdoor sports, race cars, museums, portraits, travel etc.

I haven't used the smaller 4:3 frame cameras. I do like the smaller size. But I like the versatility of the DSLR or the compactness of a P&S.

WhatMeWorry!

The issue is that todays sensors reveal lens flaws that could not be noticed with earlier film cameras or older DSLR's. From what I understand it would be very difficult to mass produce cameras and lenses reliably with more resolution. This is why so many lenses are considered defective out of the box. LensRentals.com has a story about it. http://www.lensrentals.com/news/2010.03.06/this-lens-is-soft-and-other-facts