M-mount digital micro-single camera ultra-large aperture full-frame lens with an effective focal length of f=50mm and a relative aperture of f=0.95
A relative aperture and effective focal length technology, applied in optics, optical components, instruments, etc., can solve the problems of expensive 50mmF0.95M lens, heavy economic burden for photographers, and large demand, so as to simplify the structure and improve imaging Quality, cost-effective effect
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[0046] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0047] see Figure 1 to Figure 2 As shown, the present invention is a large aperture full-frame lens for a digital micro single camera, which consists of a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a fifth lens 5, and a sixth lens from the object side. Lens 6, seventh lens 7, eighth lens 8, ninth lens 9, tenth lens 10, and eleventh lens 11 are composed. The first lens 1 is a convex object spherical positive lens, which consists of a first spherical surface (convex surface) and a second spherical surface (convex surface), and the second lens 2 is a convex object spherical positive lens, consis...
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