Ricoh filed two new patents for Pentax APS-C DSLR lenses

• 4 years ago
• Categories: Patents, Pentax lenses

    

Ricoh filed two new patents for APS-C DSLR lenses:

Pentax 15-45mm f/2.8 APS-C DSLR lens patent

Focal length: 15.5～26.0～43.7 mm

F number: 2.9～2.9～2.9

Half angle of view: 44.3～28.4～17.6

Image height: 14.24 mm

Back focus: 35.592~50.304~67.802 mm

Pentax 18-105mm f/2.8 APS-C DSLR lens patent

Focal length: 18.5～43.5～101.9 mm

F number: 2.9～2.9～2.9

Half angle of view: 39.0～17.8～7.7

Image height: 14.24 mm

Back focus: 30.120~47.793~66.140 mm

Via hi-lows-note