Soooo was playing on my phone a few weeks ago now when I seen an add for the astrhori 85mm macro 1:1 tilt lens pop up and when I saw the price I finally took a chance and bought my 1st macro lens. Over the last 5 years ive just pushed the kit lens that came with my camera as far as I could used a bellows with a rebel t7 and a ef 18-55mm lens for 3 years. Then more recently finally got an eos rp with a full frame sensor. Tried my old schenanigans of using extension tubes with the rf 24-105 but live view was freezing up constantly and just fighting back not wanting to co operate. Well when that Astrhori lens popped up with not electrical connects only manual focusing, manual aperture and the like for a decent price, took a chance on it. Having been someone who doesn't buy camera gear unless I have to I never owned a macro lens.. the image quality bump from extension tubes and kit lens to macro was well worth the purchase. But heres where things get interesting. From a price point of view this lens actually does really good for coins I think.
The options available for 1:1 macro are mostly static buy a macro lens then figure out your alignment via geared head or suffer thru a 3 way pan tilt which is honestly just a pain.
I went into the tilt lens thinking oh this could be neat have 1:1 tilted coins for artistic/relief effect but completely forgot DOF is a thing. What ive come to realize is if I'm shooting at 1:1 magnification my Depth of field is somewhere around 1mm this means while using the tilt function of the lens trying to absolutely butcher perspective I ended up just realigning my coin head on everytime I tried not, to which turned out to be quite a useful easy focus alignment trick with correct image head on perspective. Could I butcher perspective and get correct focus at lower magnification leves in a single capture? Probably especially if DOF opens up to a few mm, but I dont shoot that way while here on the forum. All in all to sum things up a macro lens for 1:1 magnification and decent 3 way geared head for easy focal plane alignement head on within the DOF envelope of that magnification level can end up being more expensive than the budget manual tilt option which does the same end goal output of a macro and a geared head at 1:1 just arguably easier.
Now the nuance to this all is can you absolutely butcher perspecitve at lower magnification levels and stay sharp with only 1 image captured, more than likely, havent tried yet.
But as far as an easy to use 1:1 lens for cheap with some optionality while making 1:1 magnification focusing not so annoying for head on coin shots this lens is actually a big sanity improvement.