Digital camera full frame lens device
A digital camera and full-frame technology, applied in the field of digital camera lenses, can solve the problems of low cost performance, large demand, and high price of matching lenses, and achieve the effect of improving performance and lens quality
Inactive Publication Date: 2016-06-15
SHENYANG NORMAL UNIV
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Problems solved by technology
[0002] In digital camera equipment, there is a gap in the production and design of domestic lenses, but there are many domestic photographers, the demand is large, and the price of matching lenses is high, and the cost performance is low, which is a heavy economic burden for the majority of ordinary photographers.
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] In order to fill the gap in the production and design of camera lenses in the domestic digital camera market, and at the same time in order to reduce the economic burden of domestic photographers, the present invention provides a full-frame lens device for digital cameras with a model of 50mmF2.0. figure 1 , including the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5 and the sixth lens 6 from the object side, and the diaphragm 7 is arranged on the third lens 3 and the fourth lens 4 Between; the first lens 1 is a positive spherical lens convex to the object side, including a fi...
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The invention belongs to the technical field of digital camera lens, and relates to a digital camera full frame lens device, and the device comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens in sequence from the object space; the first lens is a spherical surface plus lens body protruding towards the object space and comprises a first convex spherical surface and a second concave spherical surface, the second lens is a spherical surface plus lens body protruding towards the object space and comprises a third convex spherical surface and a fourth concave spherical surface, the third lens is a spherical surface minus lens body protruding towards the object space and comprises a fifth convex spherical surface and a sixth concave spherical surface, the fourth lens is a spherical surface minus lens body concaving towards the object space and comprises a seventh concave spherical surface and an eighth convex spherical surface, the fifth lens is a spherical surface plus lens body concaving towards the object space and comprises a ninth concave spherical surface and a tenth convex spherical surface, and the sixth lens is a spherical surface plus lens body protruding towards the object space and comprises a eleventh convex spherical surface and a twelfth convex spherical surface. The lens device is a long-focus telescopic lens and has large aperture, fine appearance and high performance cost ratio.
Description
technical field [0001] The invention belongs to the technical field of digital camera lenses, and in particular relates to a digital camera full-frame lens device. Background technique [0002] In digital camera equipment, there is a gap in the production and design of domestic lenses, but there are many domestic photographers, the demand is large, and the price of matching lenses is high, and the cost performance is low, which is a heavy economic burden for the majority of ordinary photographers. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a full-frame lens device for a digital camera, the model is 50mmF2.0, the lens adopts a spherical design to correct various aberrations, and all of them are made of glass to improve the quality of the lens and the clarity of the lens It is suitable for the majority of photography enthusiasts. [0004] The present invention is realized in this way, a kind of...
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IPC IPC(8): G02B13/00G02B1/00
CPCG02B1/00G02B13/00
Inventor 王晓红于吉程立英
Owner SHENYANG NORMAL UNIV