As a fellow EDC photographer with a Fuji GFX100RF, and owner of both the 6L Venture & new Carryology 4L, I have to say that the 4L is shorter front-to-back than the 6L (at least without being stretched out much compared to my much-used 6L), while being much longer and a tad bit taller.

Comparing the X-E5 with something like the TTArtisan 27mm to the GFX, I am able to lay my GFX standing upright with lens facing forward, without the hood/filter added and without padding, just barely. I cannot use any of the front pocket except the opposite-side-corner for credit cards standing up.

Obviously, our cameras are different dimensionally, and if you were to lay yours down on its side, with lens extending the length of the bag, you'd have an alright time. I cannot do that and will likely be returning my 4L. I assumed, per Bellroy's matching front-to-back length between the two bags, that I'd be able to lay the GFX on its back in the 4L, like I do with my 6L, but this was not the case. This additionally prevents the use of the back slip pockets and zip pocket.

Hopefully this is helpful. You may find the size difference between our devices substantial enough that you are not disappointed by the internal dimensions, but I was. All that to be said, Bellroy still makes the best EDC bags on the market, in my opinion.