Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Olympus ED 60mm f2.8 Macro is the longer of the two lenses at 82mm. The Sigma 60mm F2.8 DN with a length of 56mm is 26mm shorter. On the other hand, the Sigma 60mm F2.8 DN has a larger diameter of 61mm compared to Olympus ED 60mm f2.8 Macro's 56mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Olympus ED 60mm f2.8 Macro weighs 186g, 2% (4g) lighter than the Sigma 60mm F2.8 DN's weight of 190g.
Both Sigma 60mm F2.8 DN and Olympus ED 60mm f2.8 Macro has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are , and .
Sigma 60mm F2.8 DN is also available in Sony E mount.
Both lenses have the same focal range of 60mm and the fastest aperture of F2.8. Even though the focal ranges are the same for these lenses, there are differences on 35mm equivalent focal lenghts due to different crop factors on the cameras that they are used.Due to the 2.00x crop factor of the format sensor, Sigma 60mm F2.8 DN will act as a 90mm lens.