Full Frame Macro Lenses for Digital Cameras
A macro lens and digital camera technology, applied in optical components, instruments, optics, etc., can solve the problems of short working distance and high cost performance, and achieve the effects of avoiding spherical aberration, simplifying the structure, and improving imaging quality
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[0037] 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 accompanying drawings and 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.
[0038] see figure 1 , the present invention is a full-frame macro lens for a digital camera, which sequentially includes 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. 6. The seventh lens 7 , the eighth lens 8 , the ninth lens 9 , the tenth lens 10 , the eleventh lens 11 , and the twelfth lens 12 . The first lens 1 is a spherical positive lens convex to the object space, including a first spherical convex surface and a second spherical concave surface, and the second lens 2 is a spherical positive lens convex to the object s...
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