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Viltrox AF 27/1.2 E Pro [37] 2023-12 27mm: f / 1.2: f / 16: 565g: 67mm: 82mm: 92mm: 0.28m: 1:6.7 Viltrox ... 35mm f/1.7 Lens [472] Thingyfy. Pinhole Pro S 11mm ...
Until 2018, all third party lenses were manual except from the three Zeiss Touit lenses. In 2019, Viltrox introduced a 85 mm f/1.8 AF lens lacking an aperture ring. [39] In April 2020, the same company introduced a 33 mm f/1.4 lens with an aperture ring. Two more Viltrox lenses, 23 mm f/1.4 and 56 mm f/1.4, are announced for 2020. [40]
A varifocal lens. Left image is at 2.8 mm, in focus. Middle image is at 12 mm with the focus left alone from 2.8 mm. Right image is at 12 mm refocused. The close knob is focal length and the far knob is focus.
So a standard 50 mm lens for 35 mm photography acts like a 50 mm standard "film" lens even on a professional digital SLR, but would act closer to a 75 mm (1.5×50 mm Nikon) or 80 mm lens (1.6×50mm Canon) on many mid-market DSLRs, and the 40-degree angle of view of a standard 50 mm lens on a film camera is equivalent to a 28–35 mm lens on ...
75 mm f/3.8 for C-mount silver and black finished barrel, inscriptions and front portion of lens barrel look very similar to the 150mm f/4.5 C-mount lens described later in this list 75 mm f/3.8 for Robot camera used in bombing assessment with Luftwaffe Eigentum (Luftwaffe Property) stamped on flange; lens barrel is all silver
A 50mm anamorphic lens with a 2x squeeze will have the horizontal view of a 25mm spherical lens, while maintaining the vertical view and depth of field of a 50mm. This has led to the common claim that anamorphic lenses have shallower focus, as the cinematographer must use a longer lens to obtain the same horizontal coverage.