拍攝地點	51° 28′ 40.8″ 北, 7° 33′ 18″ 東	位於此地的本圖片與其他圖片： OpenStreetMap	51.478000; 7.555000

優質圖像 此圖像經優質圖像指引的評估，被認為是一張優質圖像。 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 ∙ кыргызча ∙ 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：這是一張由 11 張圖片組成的"Sony Alpha 7R IV front view with exposed sensor.jpg"景深合成圖片。此圖片使用 Zerene Stacker Version 1.04 Build T2021-02-16-2045 (licensed) 合成。這張照片可能經過了混合、模糊、仿製工具、調色和透視修正等數位處理，因此，此圖像被合併的部分可能與現實有所不同。由於鏡頭、透視變形和視差失真，通常需要進行此操作。 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.

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