It’s the world’s smallest SLR or at least the smallest with interchangeable lenses. The Sigma DP1 is the “smallest.” Compared to other entry SLRs, this thing is miniscule measuring under 5 x 3.6 inches without a lens attached. All that compactness doesn’t mean Olympus went cheap on power. It’s packed with features! The composite body is solid and feels like it should be heavier than a scant 18 oz. Hit the jump for a full review.