Sigma Lenses for Pentax: Zoom Lenses - Pentax Lens Review …
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-A* 200mm F4 Macro ED Reviews - Pentax Forums
Aug 20, 2025 · SMC Pentax-A* 200mm F4 Macro ED lens reviews and specifications. The SMC Pentax-A* 200 mm f/4 Macro ED is a legendary manual-focus macro lens introduced in 1984 …
计算机中的宏为什么起名叫宏？ - 知乎
Mar 30, 2013 · 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 …
PSA: No Macro Photography on iPhone Air | MacRumors Forums
Sep 9, 2025 · For anyone considering the Air, if Macro photography support is important to you, this is the only phone in the lineup that doesn’t have it. Was considering the Air until I saw this. …
SMC Pentax 50mm F4 Macro Reviews - K Prime Lenses - Pentax …
Mar 19, 2022 · 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 …
HD Pentax-D FA 100mm F2.8 ED AW Macro
The HD DFA 100mm F2.8 Macro AW commands a street price of $546.95 in February 2023. This is lower than the original list price of the SMC D FA 100mm F2.8 Macro WR which was …
The Best M42 Lenses: Top 10 Screwmount Gems - Gear Guides ...
Jul 14, 2025 · Discover the top 10 best M42 lenses adapted for modern mirrorless cameras, from ultra-wide to telephoto and macro specialties. This guide blends user ratings, historical insight, …
请问用ansys里的mesh划分网格报错是为什么? - 知乎
May 9, 2022 · 说明网格尺寸有问题，重新划分即可。 7、clear is not a recognized GEGIN command，abbreviation，or macro。 this command will be ingored。 clear不是一个可识别 …
SMC Pentax-F 35-70mm F3.5-4.5 Reviews - F Zoom Lenses
Apr 26, 2025 · SMC Pentax-F 35-70mm F3.5-4.5 lens reviews and specifications. The SMC Pentax-F 35 70 mm f/3.5 4.5 is a compact autofocus zoom lens for Pentax K-mount 35 mm …
Tamron Adaptall-2 SP (52B/52BB) 90mm F2.5 Lens Reviews
Jul 17, 2025 · 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 …