New 45mm f/2.8 pancake

My first post on here was about primes, and I was thinking, y'know it would be perfect if I had a 45mm f/2.8, but there is no way I can justify the price of the panaleica, so gave up on the idea, until now, on my shelf staring at me as it has done for the last year is this, it was attached to my mint chrome nikon fe, so, adapter ordered and job sorted.