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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
- Pentax Lens Disassembly Database - PentaxForums. com
This is a great lens in many ways: great optical quality, excellent macro capability, and cheap and commonly available The DAL plastic mount version has the exact same optics, and even has quick shift with the release-button trick!
- Vivitar 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 us
- Macro lens choice for APS-C - PentaxForums. com
The Tamron macro lenses - even from the 1980's - have been simply stellar throughout all of their iterations, even on digital If your macro interests include insects, spiders, etc the greater working distance of a 90mm macro will generally be more useful than the DA 35 Macro, although that is an outstanding lens
- Sigma Lenses for Pentax: Zoom Lenses - Pentax Lens . . . - Pentax Forums
Reviews of lenses by Sigma, Tamron, Tokina, Zeiss, Zenitar, and others designed for Pentax cameras Comprehensive Pentax lens database with specifications and us
- Macro Photography - PentaxForums. com
Macro Photography Group Maintained by Rense This is the place to share your ideas and techniques on macro photography, to ask questions, and to start discussions on this topic
- Extension Tubes - PentaxForums. com
I don't recall ever shooting successful 'macro close-ups' when the subject or the lighting was changing such that there wasn't time for deliberate, manual focus and exposure lighting calculations The single best improvement in half a century was the Spotmatic's TTL metering capability that avoided exposure compensation issues; the second best
- Starting Macro - PentaxForums. com
My main macro lens is a Tamron SP Adaptall-2 90mm f 2 8 (model 72B): Tamron SP MF MACRO 1:1 (72B) 90mm F2 8 Lens Reviews - Tamron Adaptall Lenses - Pentax Lens Review Database This 1:1 manual-focus lens was introduced in the mid 1990s, so it's not a modern lens
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