Tamron has announced its newest lens, the 50-400mm f/4.5-6.3 Di III VC VXD ($1,299 USD / $1,749 CAD), the next level in the ultra-telephoto room for t
摄影博客 · 2025-01-02 18:07
As a working photographer, my gear is obviously very important to me. My most-used lenses, Canon’s 35L and 50L, are both long time favorites and are g...
摄影博客 · 2025-01-02 18:06
Fewer things get me as excited and enthusiastic about gear in my studio than something reliable. I just want it to work. Part of the reason I haven’t...
摄影博客 · 2025-01-02 18:06
A wide-aperture 50mm lens is often one of the most versatile options in a photographer's bag, suitable for a lot of work ranging from portraiture
摄影博客 · 2025-01-02 18:06
本文详细介绍了企业在选择全国数字电视运营商时需要考虑的关键因素，包括服务覆盖范围、频道内容与质量、技术支持与客户服务、价格与套餐选项、用户评价与口碑以及设备兼容性与升级支持。通过实际案例分析，为企业提供实用的选择建议。...
摄影博客 · 2025-01-01 23:58
文章浏览阅读1.4w次，点赞3次，收藏35次。2019独角兽企业重金招聘Python工程师标准>>> ..._香农威纳指数...
摄影博客 · 2025-01-01 23:57
文章浏览阅读2w次，点赞3次，收藏31次。数据预处理主要包含数据清洗、数据集成、数据变换、数据归约。1、数据清洗：删除原始数据集中无关数据、重复数据、平滑噪声数据，处理缺失值、异常值等。2、数据集成：将多个数据源合并存放在一个一致的数据存储中的过程。在数据集成时，来自多个数据源的现实世界实体的表达形...
摄影博客 · 2025-01-01 23:57
数据量质应付AI项宗旨乐成至关重要，但你须要糊口生涯本始数据的富厚性、多样性和完好性，免得誉坏结果。数据打点已经是数据货仓团队的职责，此刻曾经越来越多地成为了高管层的劣先事项，数据量质被室为客户体验和业务绩效的要害。但除了数据孤岛和折规性问题外，数据量质差也妨碍了企业AI项宗旨展开。尽管大大都高管普...
摄影博客 · 2025-01-01 23:56
《登场了，洛阳》文创考古盲盒视频拍摄--大象视觉拍摄案例
摄影博客 · 2025-01-01 23:46
千年医经的现代启示：《黄帝内经》对中医的深远影响,脏腑,中医学,黄帝内经,现代医学
摄影博客 · 2025-01-01 09:35
原标题：毛泽东思想的时代价值及其现实意义（主题）
——学习习近平总书记在纪念毛泽东同志诞辰130周年座谈会上的重要讲话精神（副题）...
摄影博客 · 2025-01-01 09:34
孟母教子故事对现代家庭教育的启发
2017-12-29 07:00
跟着孟母故事的宽泛传布，历朝历代也尽力将其塑组成折乎其须要的偶像，封建天子对其屡加封谥，曲到乾隆三年即1738年，加封孟母为“邾国端范宣献夫人”。孟母教子的故事对咱们现代社会也有着很好的启迪和进修意义。...
摄影博客 · 2025-01-01 09:34
In the past few years, we have seen an influx of insanely wide lenses, including 11mm, 10mm, and even 9mm options. With a careful approach, these lens
摄影博客 · 2024-12-31 18:41
Bokehliscious photos. That is the ultimate goal for any photographer no matter the experience level. When "bokeh" is mentioned, the first th
摄影博客 · 2024-12-31 18:41
In the past few years, we have seen a real influx of highly affordable lenses that still offer serviceable to even good results, but even by those sta
摄影博客 · 2024-12-31 18:40
