Nikon Z 40mm f/2 review
 Nikon recently launched the 40mm f/2  lens. This is a basic and compact lens, more reasonably priced than the f/1.8 aperture S-line prime lenses. The newer 40mm lens is seen to the left below, next to the more premium S-line 50mm f/1.8 S  ( my review ):      The 40mm f/2 lens to the left is less prestigious: It has a simpler lens layout, aiming for compactness. The S-line lens on the other hand has larger and more lens elements and has less optical compromises. It also comes at a higher price. Here are some specs compared:      Lens Nikon Z 40mm f/2 Nikon Z 50mm f/1.8 S      Number of diaphragm blades 9 9      Lens elements/groups      6/4 12/9      Minimum focus distance    0.29m 0.40m      Weight                    170g 415g      Diameter                  70mm 76mm      Length                    46mm 87mm      Filter thread             52mm 62mm                                             Looking at the lens diagram, we clearly see how the compact 40mm lens is much simpler (blue...