相机位置	51° 28′ 40.8″ 北, 7° 33′ 18″ 东	在以下服务上查看本图像和附近其他图像： OpenStreetMap	51.478000; 7.555000

优质图像 本图像已依据优质图像方针评估，被视为优质图像。 العربية ∙ جازايرية ∙ беларуская ∙ беларуская (тарашкевіца) ∙ български ∙ বাংলা ∙ català ∙ čeština ∙ Cymraeg ∙ Deutsch ∙ Schweizer Hochdeutsch ∙ Zazaki ∙ Ελληνικά ∙ English ∙ Esperanto ∙ español ∙ eesti ∙ euskara ∙ فارسی ∙ suomi ∙ français ∙ galego ∙ עברית ∙ हिन्दी ∙ hrvatski ∙ magyar ∙ հայերեն ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ Jawa ∙ ქართული ∙ 한국어 ∙ kurdî ∙ Lëtzebuergesch ∙ lietuvių ∙ македонски ∙ മലയാളം ∙ मराठी ∙ Bahasa Melayu ∙ Nederlands ∙ Norfuk / Pitkern ∙ polski ∙ português ∙ português do Brasil ∙ rumantsch ∙ română ∙ русский ∙ sicilianu ∙ slovenčina ∙ slovenščina ∙ shqip ∙ српски / srpski ∙ svenska ∙ தமிழ் ∙ తెలుగు ∙ ไทย ∙ Tagalog ∙ toki pona ∙ Türkçe ∙ українська ∙ vèneto ∙ Tiếng Việt ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

注意：这是一张由 11 张图片组成的"Sony Alpha 7R IV front view with exposed sensor.jpg"景深合成图片。此图片使用 Zerene Stacker Version 1.04 Build T2021-02-16-2045 (licensed) 合成。这张照片可能经过了混合、模糊、克隆、调色和透视修正等数字处理，因此，此图像被合并的部分可能与现实有所不同。由于镜头、透视图和视差失真，通常需要进行此操作。 العربية ∙ Deutsch ∙ English ∙ español ∙ français ∙ 日本語 ∙ македонски ∙ português do Brasil ∙ русский ∙ slovenščina ∙ ไทย ∙ українська ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

en: The Sony Alpha 7R IV is a mirrorless interchangeable lens camera.

• This image shows a front view of the camera body without a protective lid.
• Note exposed 61 Mpixel sensor, gold-plated lens contacts inside lens mount, and front controls.
• This focus stack is a composition of 11 individual images
• Image taken in February 2021 in Aplerbeck, Dortmund, Germany.
• Body shows wear and smudge marks due to continual use since purchase in October 2019 with over 7,500 images taken, many as focus stacking series.

See below for technical details concerning the "making of" this image.

de: Die Sony Alpha 7R IV ist eine spiegellose Wechselobjektiv-Kamera.

• Dieses Bild zeigt die Vorderansicht des Kameragehäuses ohne Schutzdeckel.
• Sichtbar sind die vorderen Bedienelemente, die vergoldeten Kontaktstifte in der Objektivfassung sowie die volle 61 MPixel Sensorfläche.
• Diese Focus Stacking-Aufnahme ist aus 11 Einzelbilder zusammen gesetzt.
• Aufgenommen in Februar 2021 in Aplerbeck, Dortmund, Deutschland.
• Das Gehäuse zeigt leichte Gebrauchs- und Schmutzspuren, da in Dauergebrauch seit Kauf in Oktober 2019, mit inzwischen über 7.500 Aufnahmen, zumeist als Fokus Stacking Serien.

Technische Daten zum Bild: siehe nachfolgende Beschreibung im englischer Sprache.

• Focus stacked image.
• [1] Camera: Sony Alpha 7RIII, 42 Mpixels, sensor size 7952x5304.
• [2] Lens: Sony FE 90mm F2.8 Macro G OSS.
• [3] Scope: 11 images, magnification ratio 1:5 (0.2x).
• [4] Settings: manual mode, electronic shutter, ISO 100, 1/25s, aperture 9.0, bias (=exposure compensation) -1.00, WB (white balance) 5600K.
• [5] FOCUS STACK recording: camera attached to focusing rack, rotated lens circumference by 0.5 mm between images, total focus span covered after rotating lens by 5.0 mm: approx 110 mm (from nearmost focus to the most distant focus spot), self timer 5s, images stored both as JPG and 16-bit RAW (.ARW).
• [6] Adobe Lightroom: (a) Preset 004 (Presence+Sharp+NoiseRed) (b) removed tint via dropper (c) exposure +0.91 (d) adjusted tone curve to enhance deep black hues (e) exported as TIFF/16bit.
• [7] FOCUS STACK processing: (a) tool 'Zerene Stacker' 1.04 (b) stacked all 11 JPG images via 'PMax' method (c) used built-in retouching for edges with very high contrast: replaced 'glow' with detail from original image (d) exported as one TIFF/16bit image.
• [8] Adobe Photoshop: (a) imported the stacked TIFF/16bit (b) masked camera outlines (c1) enhanced contrast of camera via masked tone curve adjustment layer (c2) reduced background to pure white via tone curve adjustment layer with inverted mask (d) removed larger dust specks and strands of hair (e) enhanced sharpness: not necessary (f) cropped: not necessary (g) exported as JPG max. quality file with embedded colour profile.
• [9] Dimensions: Width of image approx. 180 mm, width of camera: approx. 138 mm.

• Wikimedia Commons: Collection of cameras and lenses on white background starting at file name "Sony"
• Wikipedia en: Sony α7R IV
• Wikipedia zh: 索尼 (Sony) α7R IV
• Wikipedia de: Sony Alpha 7R IV

• Quality image / Subject / Objects / Cameras, Optics and Microscopes   >   When on that page either scroll directly to image or find by file name after clicking on Edit button.

我，本作品著作权人，特此采用以下许可协议发表本作品：

本文件采用知识共享署名-相同方式共享 4.0 国际许可协议授权。

您可以自由地：

• 共享 – 复制、发行并传播本作品
• 修改 – 改编作品

惟须遵守下列条件：

• 署名 – 您必须对作品进行署名，提供授权条款的链接，并说明是否对原始内容进行了更改。您可以用任何合理的方式来署名，但不得以任何方式表明许可人认可您或您的使用。
• 相同方式共享 – 如果您再混合、转换或者基于本作品进行创作，您必须以与原先许可协议相同或相兼容的许可协议分发您贡献的作品。

https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue