New additions to Ricoh's GR IV family

The popular APS-C compact line-up is boosted by the arrival of the GR IV HDF, which puts mood first with a unique highlight diffusion filter, and the GR IV Monochrome, which loses the colour sensor of the GR IV

- 

1 RICOH GR IV HDF The Highlight Diffusion Filter replaces the ND filter found on the standard Ricoh GR IV.