The new FUJINON teleconverter GF1.4X TC WR is designed for use with the new GF250mmF4 R LM OIS WR giving approximately 277mm in 35mm format equivalent, without compromising image quality.
Lens configuration7 elements 3 groupsFocal length (35mm format equivalent)1.4x that of original lensMax. aperture1 additional stopMin. aperture1 additional stopFocus rangeApprox. same as that of original lensMax. magnification1.4x that of original lensDiameter x Length(distance from camera lens mount flange)
3.22 x 1.05" / 82mm x 26.7mm