macro-F1和micro-F1得分分别适用于什么场景？ - 知乎
但每种情况下选用macro-F1、micro-F1，会有一些特例情况产生，下面就针对以上场景，一个个举例给大家看看，到底macro-F1、micro-F1在什么情况下选用会更合适。 第1种情况：各个类别下样本数量 …
S-M-C/Super Macro-Takumar 50mm F4 Reviews - Pentax Forums
Feb 21, 2025 · 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, …
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 $799.95, but …
SMC Pentax-A 50mm F2.8 Macro Reviews - Pentax Forums
Jul 14, 2025 · SMC Pentax-A 50mm F2.8 Macro lens reviews and specifications. The SMC Pentax-A 50 mm f/2.8 Macro is a manual-focus macro prime lens introduced in 1984 and produced until 1988, …
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. Both the …
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 for the Pentax …
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.
纳米材料方向，如何排序AM、AFM、ACS Nano、Nano Letters、Small …
AM，AFM，ACS Nano，Nano Letters，Small，Nano Research如何排序？如还有其他期刊欢迎补充补充：还有Nat…
Miscellaneous Lenses for Pentax: Zoom Lenses - Pentax ... - Pentax …
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
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 first K-mount …