20 May 2009 Measurement method in LLL equivalent eyepiece focus and error analysis
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Because equivalent of some binoculars adopts spectrophotometer optical path, which leads image energy weak and we can not measure its equivalent focal length to normal focal length measurement equipment. This paper presents a measurement method, and carries out error analysis.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Manxiang Miao, Manxiang Miao, Youhan Guo, Youhan Guo, } "Measurement method in LLL equivalent eyepiece focus and error analysis", Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72831V (20 May 2009); doi: 10.1117/12.828686; https://doi.org/10.1117/12.828686

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