So I need an upgrade to my kit lens (Canon 18-55 IS II) for a walk around lens. My other lenses are a 50 1.8 II and a 70-200 f4L. I'm looking to spend around $500, any suggestions?

ITT photography in anime and manga

Sup /p/,
quick question: Are chromabs due to a correctional optic fixable?

Here's the thing.
I used Minolta X bodies and MD lenses for the past 25 years and as some of you may know, theses cameras had a much shorter lens to film distance.
Now I made the move to Nikon when I switched to digital and wanted to use my shitload of MD lenses on my digital Nikon, which didn't just mean "Buy a mechanical adapter" but also "Buy one with a correctional optic in it", basically it's a magnifying glass so I can focus to infinity.
The Problem is, I get horrible chromabs and I heard it was due to the bad optics that are used in such adapters.
Question #1: If I go to an optician and ask him to apply an anti-reflective coating to this lens (it's completely uncoated), will it solve the issue or at least make it a little better?
Question #2: If I find the exact specification of these old Minolta bodies so I can give an optician the exact amount of magnification needed, and if he in turn manufactures a lens that is made of good glass and is multi coated, will this fix it? Or is this a general issue with these adapters and even the best optic in the world couldn't solve it?

What happens if you put a image-stabilized lens on a stabilized sensor camera?

Will it double the stabilization amount? Interfere with each other? Stay the same as before?

/p/, of your various photography items, please post your:

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For me they're all the same because I just got a T2i and have only begun fooling with it. Picture mostly unrelated, it's a Tamron 28-75 I was thinking of getting eventually to replace my kit lens.
Anyway, just curious as to what kind of gear you all use and love.