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2. List of third-party Sony E-mount lenses - Wikipedia

   en.wikipedia.org/wiki/List_of_third-party_Sony_E...

   TTArtisan AF 35mm F1.8 [29] 2023-10 [30] 35mm: f / 1.8: ... all V-AF lenses are same size and weight Samyang: AF 50mm F1.4 FE [91] 2016-05 [92 ... 17-50mm F/4 Di III ...

3. Sigma 50mm f/1.4 EX DG HSM lens - Wikipedia

   en.wikipedia.org/wiki/Sigma_50mm_f/1.4_EX_DG_HSM...

   The Sigma 50mm f / 1.4 EX DG HSM is a normal prime lens made by the Sigma Corporation. The lens is produced in Canon EF mount , Four Thirds System , Nikon F-mount , Pentax K mount , Sigma's own SA mount , and the Sony/Minolta AF Mount varieties, all have the same optical formula.

4. Sony Zeiss Planar T* FE 50mm F1.4 ZA - Wikipedia

   en.wikipedia.org/wiki/Sony_Zeiss_Planar_T*_FE...

   The Sony Zeiss Planar T* FE 50mm F1.4 ZA is a large-aperture, standard full-frame prime lens for the Sony E-mount.It was released by Sony in July 2016. [1] [2] [3]Though designed for Sony's full frame E-mount cameras, the lens can be used on Sony's APS-C E-mount camera bodies, with an equivalent full-frame field-of-view of 75 mm.

5. List of Micro Four Thirds lenses - Wikipedia

   en.wikipedia.org/wiki/List_of_Micro_Four_Thirds...

   The Micro Four Thirds system (MFT) of still and video cameras and lenses was released by Olympus and Panasonic in 2008; lenses built for MFT use a flange focal distance of 19.25 mm, covering an image sensor with dimensions 17.3 × 13.0 mm (21.6 mm diagonal).

6. Aspheric lens - Wikipedia

   en.wikipedia.org/wiki/Aspheric_lens

   The world's first commercial, mass-produced aspheric lens element was manufactured by Elgeet for use in the Golden Navitar 12 mm f /1.2 normal lens for use on 16 mm movie cameras in 1956. [12] This lens received a great deal of industry acclaim during its day.

7. Micro Four Thirds system - Wikipedia

   en.wikipedia.org/wiki/Micro_Four_Thirds_system

   The image sensor of Four Thirds and MFT measures 18 mm × 13.5 mm (22.5 mm diagonal), with an imaging area of 17.3 mm × 13.0 mm (21.63 mm diagonal), comparable to the frame size of 110 film. [4] Its area, ca. 220 mm 2 , is approximately 30% less than the APS-C sensors used in other manufacturers' DSLRs ; it is around 9 times larger than the 1/ ...