PIMA IT3.111-1998 标准详情
- 标准号:PIMA IT3.111-1998
- 中文标题:焦距和焦距摄影镜头,中指定和测量方法。
- 英文标题:Focal Lengths And Focal Distances Of Photographic Lenses, Methods Of Designating And Measuring
- 标准类别:其他国内外OTHERSS
- 发布日期:
Covers lenses intended to be used with very distant objects. Defines the principal focus, focal plane, calibrated focal length, focal length, back focal distance, front focal distance, flange focal distance, total length and describes methods for the
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