contax lenses

[key]return c_label (5) Decision Tree persistence (1) Storage def store_decision_tree(tree, filename):import picklef = open(filename, 'w')pickle.dump(tree, f)f.close() (2) read def load_decision_tree(filename)：import picklef = open(filename)return pickle.load(f) (6) at the end of the day, it is time to return to the topic and give the glasses to the male. The following contact lens dataset comes from the UCI database, which contains the observed conditions for eye condition of many patients

Unfortunately, I am also a member of many people with myopia.A few days ago I accidentally broke the frame. Because the lens is still very good, I decided to change the frame only. As a result, I was able to see how many profiteters there are in China. Today, I saw the frame in a glasses shop. After I went there, I directly indicated that I only selected one frame. Then the store enthusiastically recommended several models.Another clerk came up and asked me to check whether my original lens mat

polarized light is equivalent to filtering between the left and right sides of the glasses. The left and right eyes see different things through the glasses, and the visual difference between the two eyes produces a stereoscopy. ], This allows the left eye to see the left image, the right eye to see the right image, and then the brain will automatically reproduce as a three-dimensional image at your fingertips. What is 3D movie?Currently, in cinemas, we mainly play 3D films with two different

the filter in front of the camera, there is no way to use the filter.B and C are similar. Whether or not you purchase an adapter, these cameras have the ability to install filters. The following two situations are described,As for what specific models of cameras can be installed, what models can not be installed, please refer to the commonly used digital camera filter caliber table attached. Several Concepts of wearing filters:1) aperture, a key size of the filter is the aperture of the filter.

resolution. Comparison of official MTF curves of Nikon 18-70 and Sigma 17-70HSM lenses 101 about MTF: I have never insisted that movie friends go to the "lens" MTF Curve, because it is easy to "get angry" and regard it as the "final test standard of the camera", ignoring the comprehensive evaluation of the camera. In fact, the MTF Curve can only be used as a reference for the imaging effect of the lens. It does not reflect distortion, glare, color

becomes a challenge.This requires the application of the semi-shutter technique (in fact, most of the machine operation manuals have a description of this practical technique.20th tips: First align the foreground with the frame center (let the camera focus on the subject you want To take), then press the shutter half and move the camera,Place the subject in the golden section you imagined, and then press the shutter to finish shooting. More suitable positions and zoom"Few photographers will giv

As soon as the food was ready, I kept looking at it with the naked eye for a while, and then I looked at it with lenses. My eyes were lost, and there were N remaining sun in the lenses. Why haven't we started? What about light? I unconsciously removed the lens, and at this moment, the food was ready ...... Fortunately, I glared at my eyes and was not prepared to be swallowed up by the diamond. Although I ha

Posted on:2008-02-18 Most digital cameras cannot install protective filters, or installation is inconvenient. During Normal shooting, when the camera is exposed outside, it is easy to accidentally add dust, press a fingerprint, or leave some spit or something. Although the fingerprint, dust, and water stains on the lens surface have no significant impact on imaging. As long as you do not let the strong sunlight direct to the lens to cause the gray fog glare. But how can you toler

recommended by doctors, the contact lenses include hard materials.(hard)Soft Material(soft)And not suitable for wearing contact lenses(no lenses)The data is from the UCI database. The Code finally calls the preparedcreatePlot()Function draw tree chart. # -*- coding: utf-8 -*-"""Created on Sat Sep 05 14:21:43 2015@author: Herbert"""import treeimport plotTreeimpor

Ubuntu13.04 delete annoying versions? Well, that amp;... Ubuntu 13.04 delete annoying Amazon suggestions Ever noticed suggestions of books and other stuff unrelated to your queries when using Ubuntu Dash with Unity Desktop? Well, that's because Ubuntu 13.04 is shipped with a feature called Shopping Lens which provided des search results from Amazon. this feature searches Amazon online catalog of product and displays them next to your queries in Dash. if you want nothing to do with Amazon result

Pinhole camera model. The pinhole is an imaginary wall (the center has a tiny hole). Light can only pass through this opening, while the rest is blocked by the wall. Below we will start with a pinhole camera model and process the projection rays in the basic geometry. Unfortunately, the real pinhole is not a good way to get an image because it does not collect enough light to be quickly exposed. This is why both the eye and the camera use a lens instead of just one point to collect more light. H