Attaching full-frame lenses to mirrorless cameras only scratches the surface (so to speak) of the new Turbo Adapter’s impressive capabilities. With four optical elements, this adapter condenses the light that passes from the full-frame lens onto the APS-C or Micro Four Thirds sensor, therefore negating the crop factor and effectively producing full-frame coverage on non-full-frame sensors. A corresponding one-stop increase in the maximum aperture and 0.76x increase in the angle of view make the lens more effective in low-light situations and able to encompass a wider perspective.
Second-generation, Mark II, versions of these Turbo Adapters feature a newly designed rectangular rear lens, which sits deeper inside the camera and transmits light more directly to the sensor. Also, an improved lens coating works to limit reflections, minimizing ghosting and flare. With one extra-low dispersion (ED) element, aberrations are reduced for notable delineation and overall image clarity. Metal construction elements and stainless-steel mounts on both sides provide longevity and a firm hold to lens and camera. As manual adapters, the Lens Turbo does not offer electronic communication between camera and lens.
New Lens Turbo Mark I Adapters are presently available for Canon EF mount and Nikon F mount lenses to attach to Micro Four Thirds cameras, and the improved Mark II models enable Canon EF, Canon FD, Nikon F, Pentax K, and M42 lenses to attach to Sony E-mount cameras. These adapters will attach physically to the full-frame Sony E-mount cameras but, to function properly, the cameras must be set to APS-C crop mode.
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