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 …
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. …
Adapted lenses tested on the Q : the reference thread
Dec 24, 2012 · This is a centralized reference thread housing a database of experience and results of different adapted lenses that users have tested on their Q
SMC Pentax-A 35-105mm F3.5 Reviews - Pentax Forums
May 23, 2025 · 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 …
纳米材料方向，如何排序AM、AFM、ACS Nano、Nano Letters …
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…
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, …
Takumar-F 28-80mm F3.5-4.5 Reviews - Pentax Forums
Nov 29, 2024 · Takumar-F 28-80mm F3.5-4.5 lens reviews and specifications. This autofocus zoom lens has no SMC coating and is identical to the PENTAX-F 28-80mm lens. It has a …
Vivitar 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.
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.
Rikenon (Ricoh) P 70-210mm F3.9 - Pentax Forums
Rikenon (Ricoh) P 70-210mm F3.9 reviews and specifications. Focal Length (mm) 70-210 Apature Maximum 3.9 Apature range 3.9-32 field of view 43-12 optical construction (elements …