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- 计算机中的宏为什么起名叫宏？ - 知乎
看 Macro (computer science) macro一词不是微软发明的，而是计算机科学中长期存在的一个术语，最早出现在1959年的文章 The Share 709 System: Programming and Modification 中。 宏（macro）的全称是 宏指令 （macroinstruction），不太严格的说，宏是指 把较长的指令序列用某种规则对应到较短的指令序列的规则或模式
- S-M-C Super Macro-Takumar 50mm F4 - Pentax Forums
S-M-C Super Macro-Takumar 50mm F4 lens reviews and specifications The Takumar 50 mm f 4 is a series of legendary manual-focus macro lenses for M42 screw-mount cameras, produced by Asahi Optical Co in three main vari
- Sigma APO Macro Super goldline 70-300mm F4-5. 6 Lens Reviews - Sigma . . .
Sigma APO Macro Super "goldline" 70-300mm F4-5 6 reviews and specifications The sigma 70-300mm zoom telephoto was made in numerous versions and generations by sigma - several versions listed in these reviews, some designated This is a Sigma Zoom lens
- SMC Pentax-F 100mm F2. 8 Macro Reviews - F Prime Lenses - Pentax Lens . . .
SMC Pentax-F 100mm F2 8 Macro lens reviews and specifications The SMC Pentax-F 100 mm f 2 8 Macro is a landmark lens in Pentax history introduced in 1987 as the company s first autofocus 100 mm macro, and produce
- Tamron Adaptall-2 SP (52B 52BB) 90mm F2. 5 Lens Reviews - Tamron . . .
Tamron Adaptall-2 SP (52B 52BB) 90mm F2 5 reviews and specifications [i]"A very good 1:2 macro lens with above average resolution and contrast Performance is fairly similar to Kiron's 105mm F 2 8 macro lens Contrast i This is a Tamron Adaptall Prime lens
- SMC Pentax-A 35-105mm F3. 5 Reviews - Pentax Forums
SMC Pentax-A 35-105mm F3 5 lens reviews and specifications The SMC Pentax-A 35 105 mm f 3 5 is a manual-focus, constant-aperture zoom lens introduced in 1984 and produced until 1989, designed for full-frame K-
- Sigma Lenses for Pentax: Zoom Lenses - Pentax Lens Review Database
Reviews of lenses by Sigma, Tamron, Tokina, Zeiss, Zenitar, and others designed for Pentax cameras Comprehensive Pentax lens database with specifications and user opinions
- SMC Pentax 50mm F4 Macro Reviews - K Prime Lenses - Pentax Forums
SMC Pentax 50mm F4 Macro lens reviews and specifications The SMC Pentax 50mm f 4 Macro (K version) is a vintage macro lens introduced in the mid-1970s as Pentax s first K-mount close-focusing prime Built ar
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