The 28/21mm optical viewfinder is released by the Carpenter Optics, the price is 259 yuan.

CTOnews.com November 22 news, the engraving optics has now released the 28/21mm optical viewfinder, using a cold boot interface, suitable for some cameras without optical viewfinder, the price is 259 yuan.

Officials say the TTArtisan 28/21mm viewfinder, with its exquisite workmanship and compact size, is just right with both retro and modern models.

The TTArtisan 28/21mm viewfinder mimics lens viewing angle and focal length accessories and provides 28mm/ 21mm options; the base of the cold boot interface can be used with cameras without viewfinders, such as Ricoh GR, Leica paraxial cameras, old film cameras, etc.; for cameras with their own viewfinders, they can be used as decorations. TTArtisan 28/21mm viewfinder uses high transmittance optical glass, without optical-electrical conversion process, to see the real scene, but also the use of multi-layer high-quality coating.

JD.com TTArtisan Carpenter Optical 21mm 28mm external Optical viewfinder is suitable for Ricoh 259 yuan direct link