全新发布理光映像欣然宣布「RICOH GR IV HDF」御光降临 耀目登场机身官方售价9599元搭载全新HDF以RICOH GR IV为基础而开发，承袭GR系列所具备的高画质、快拍性、便携性等特点的同时，搭载了HDF（Highlight ...

The cool point-and-shoot camera market continues to pop off as one of the more popular “snap shooter” brands is doubling down ...

The Highlight Diffusion Filter in the new camera diffuses light into a soft, gentle look that also pairs well with “Cinema” ...

Ricoh has just added a subtle but very deliberate twist to its ultimate snap-shooter formula with the launch of the Ricoh GR IV HDF, a specialized version of its recently-released GR IV pocketable APS ...

B&H is pleased to announce the GR IV HDF - Highlight Diffusion Filter, a new variant of their much sought-after ...

The HDF editions of Ricoh's premium compacts introduce a soft-focus diffusion filter to the line, but drop ND support to get there. Images, and the devices that capture them, are my focus. I've ...

[IMSAI Guy] presents for your viewing pleasure, a nice video on the topic of optical filters and mirrors. (Video, embedded below) The first optical device is a simple absorption filter, where incoming ...