Fujinon GF 1.4X TC WR Teleconverter

1.4x teleconverter for G Mount designed for GFX telephoto lenses including the GF 250mm F4 R LM OIS WR prime and GF 100-200mm F5.6 R LM OIS WR zoom. Optical design comprises 7 elements arranged in 3 groups. Maximum aperture is reduced by one F stop; retains autofocus, metering, and image stabilization. Weather-sealed construction reduces chances of dust, water, or cold affecting performance.