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Fisheye Lens Edition for iPhone Cameras.

I was working on it and zoomed behind the boat and I saw a face in the water. It looked like a young girl I think and they were looking up and ...

Liwei Xu, Yingyi Li, Jun Cai, Wanli Zhao, Tongyu Liu, Tongyu Dai, Youlun Ju, Yu Ding

Synthesis of CoFe2O4/MWCNTs Nanohybrid and its Effect on the Optical, Thermal, and Conductivity of PVA/CMC Composite as an Application in Electrochemical Devices

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Image Distortion ... Image distortion refers to the alteration or deformation of an image, often caused by resonance offset effects or over-sampling in multiple- ...

Alex Cooke is a Cleveland-based portrait, events, and landscape photographer. He holds an M.S. in Applied Mathematics and a doctorate in Music Composition. He is also an avid equestrian.

Sep 20, 2019 — If the material is conductor, relevant electrons move almost freely in the material and get to surface boundary. This is induction. If the ...

Brennweite und Bildwinkel / Blickwinkel - focal length and angle of view (AoV) / field of view (F.o.V.). Jeder kennt die Brennweite seiner Objektive. Aber ...

I prefer overcast to a sunny day from late morning through early afternoon when the sun is high. The even light is better than directional light from high overhead. An exception is late Fall and early Winter. While not real low, the sun is fairly low to the south at midday.

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Hanyu Xiao, Yujin Chen, Yanfu Lin, Jianhua Huang, Xinghong Gong, Zundu Luo, Yidong Huang

This radiometer DM-365XA UV by Spectro-UV measures UV-A light ONLY with an of accuracy of ± 5%.

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Coming to you from Roman Fox, this awesome video tutorial discusses how to handle the flat light produced by overcast days to still produce interesting shots. I actually love these sorts of days. The nice thing about flat light is that with the flexibility of modern camera sensors, you have a ton of directions available in which to take a photo, and you can relatively quickly and easily shape the light in the photo to emphasize in the manner you prefer. This can also make it excellent practice for learning how to work with shaping light in post. When it comes to more defined light, it simply is not possible to reshape the light as much as it is when you are given a blank palette. Check out the video above for the full rundown from Fox.

Overcast days can produce rather flat light that lacks dimension and can feel rather boring, and as such, it can be a bit tricky to product images that are compelling. That does not mean you should just pack it up and head home, though. Flat light can actually lead to fantastic images, and this excellent video tutorial will show you how to find and shoot them.

Jingling Tang, Zhenxu Bai, Duo Zhang, Yaoyao Qi, Jie Ding, Yulei Wang, Zhiwei Lu