This second iteration of the lens builds on the original 2x macro that. That lens was also a 60mm f/2.8, but it was made only for APS-C and Micro Four Thirds cameras, which limited its use.
Its optical system consists of 10 elements arranged in seven groups, including three high refractive index elements that Pergear says help to control spherical aberrations and reduce distortion and in order to realize high sharpness and accurate rendering. The lens features an aperture range of f/2.8 through f/16 via a 10 bladed diaphragm. The front filter measures 62mm and it has a minimum focusing distance of 7.51 inches.
Even though the lens is designed for full-frame cameras like Sony E, Nikon Z, Leica L, and Canon RF, it is still being offered in mounts smaller than full frame including Fujifilm X and Micro Four thirds. “The de-clicked aperture ring offers smooth, silent rotation throughout the aperture range, making it ideal for close-range video applications and shooting. The multi-layer coating has been applied to individual elements and reduces flare and ghosting in order to produce greater contrast and color accuracy when working in strong lighting conditions.”Photo by Robin Wong
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