We now finally know what the Ricoh GR teaser I reported last year is about: today Ricoh announced the RICOH GR III HDF and RICOH GR IIIx HDF cameras featuring a newly-developed Highlight Diffusion Filter (HDF) that diffuses highlights for softer light, creating more expressive images. The HDF, which can be turned on and off. … Continue reading Just announced: new Ricoh GR III HDF and Ricoh GR IIIx HDF cameras with Highlight Diffusion Filter (HDF)