Image:Mayall Telescope.jpg

维基百科，自由的百科全书

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预览尺寸： 450 × 600 画素
高分辨率图像 (1200 × 1600 画素, 档案大小： 494 KB, MIME type: image/jpeg)

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Description: Photo of the Mayall Telescope (4.0 m) at Kitt Peak National Observatory.

Location: Kitt Peak National Observatory, near Tucson, AZ, USA

Date: February 5, 2005

Author: John Owens (talk)

Permission: Released by the author under several free licenses, v.i.

Technical information: Taken with Canon Powershot A75

Aperture: f/2.8

Exposure: 1/4 s

ISO: auto

Zoom: 1x

Processing: none

I, the author of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

This file is licensed under Creative Commons Attribution 2.5 License
In short: you are free to distribute and modify the file as long as you attribute its author(s) or licensor(s).

This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You may select the license of your choice.

Copyright © JohnOwens, all rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, and this list of conditions; Redistributions in binary form must reproduce the above copyright notice, and this list of conditions in the documentation and/or other materials provided with the distribution; Neither the name of JohnOwens nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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元数据

此文件中包含有扩展的信息。这些信息可能是由数码相机或扫描仪在创建或数字化过程中所添加。

如果此文件的源文件已经被修改，一些信息在修改后的文件中将不能完全反映出来。

相机生產廠商	Canon
相机型号	Canon PowerShot A75
水平解析度	180 dpi
垂直解析度	180 dpi
文件更改的日期与时间	14:44 2005年2月5日
黄色和洋红配置	1
自定义图像处理	标准处理
曝光模式	自动曝光
白平衡	自动白平衡
数字变焦比率	1
情景拍摄类型	标准
曝光时间	1/4 秒 (0.25)
光圈（F值）	f/2.8
Exif 版本	2.2
数据生成的日期与时间	14:44 2005年2月5日
数字化的日期与时间	14:44 2005年2月5日
图像压缩模式	3
快门速度	2
光圈	2.96875
曝光补偿	0
最大陆地光圈	2.96875
测量模式	模式测量
闪光灯	16
焦距	5.40625 mm
颜色空间	sRGB
X轴焦平面解析度	7692.3076923077
Y轴焦平面解析度	7692.3076923077
焦平面解析单位	吋
感光模式	一片彩色区域传感器

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Image:Mayall Telescope.jpg

维基百科，自由的百科全书

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