crop-factor compare sensors November 2017 1151 × 435 Size matters: How your camera sensor size affects lens performance (c) copyright chrisbonney.uk 2017. Crop-factor comparison of Nikon full-frame, Hasselblad medium-format and MFT sensors. (c) copyright chrisbonney.uk 2017. Crop-factor comparison of Nikon full-frame, Hasselblad medium-format and MFT sensors.