The Smooth Trans Focus (STF) technology in photographic lenses uses an apodization filter to realize notably smooth bokeh with rounded out-of-focus highlights in both the foreground and …

This Sony FE 100mm STF "Smooth Trans Focus" is a special lens designed for the smoothest possible out-of-focus backgrounds. This lens is ultra-sharp when in focus, and renders out-of …

2016年7月19日 · STF stands for "Smooth Transition Focus", and is a Sony-specific* term indicating that the lens includes an apodization filter to create smooth bokeh (out-of-focus blur) …

STF的具体含义是：Smooth Trans Focus，影象平滑。 图1：STF原理图. 此外，该STF镜头与通常的镜头不同，从图1来说明STF镜头与普通镜头的差异。一个实际的影像点通过镜头在a点成为 …

2016年4月14日 · Two SLR lenses engineered specifically to be Smooth Trans Focus (STF) offerings currently exist on the market: the Sony (nee Minolta) 135mm f/2.8 [T/4.5] STF and …

2020年7月30日 · STF，Smooth Trans Focus，一种特殊的散景效果，可以实现类高斯模糊的奶油般焦外。市面上拥有类STF散景效果的镜头是真正意义上的屈指可数，而最早的践行者应当属 …

2018年5月24日 · The 135mm STF has a clear advantage in amount of blur while still giving you the uber smooth look of the STF design unlike the Laowa which I pretty much do not consider …

2017年2月15日 · STF stands for Smooth Trans Focus and it refers to an optical design that has a special “apodization” element in the lens. The apodization element is concave and has a …

2024年9月9日 · Discover the STF lens, a revolutionary technology that enhances image quality, reduces distortion, and improves zoom performance. We explore its physics, applications, and …

2020年5月25日 · Sony Marketing Department: We came up with a really catchy acronym, "STF"- Smooth Trans Focus. You engineer guys do something so we can sell it. Make it really new, …