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doc:appunti:hardware:olympus-e-m10-mark-ii [2019/12/10 23:15] – [Acronyms] niccolodoc:appunti:hardware:olympus-e-m10-mark-ii [2019/12/15 18:42] – [Comparison with a Compact Camera] niccolo
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 ====== Olympus E-M10 Mark II ====== ====== Olympus E-M10 Mark II ======
 +
 +The **Olympus E-M10 Mark II**  is a mirrorless camera introduced in september 2015; it features a **4/3 sensor** (17.3 x 13.0 mm) capable of 4608 x 3456 pixels, an **OLED electronic viewfinder** with 2.36 Mpixels and a 3.5 inches touch screen. A feature that distinguishes this camera from other mirrorless ones, is the presence of **two adjustment dials** (in addition to the one which selects the mode and the on/off/flash lever). The dials, like the three Fn buttons, can be **freely assigned** among many functions.
 +
 +The camera, in combination with the **M.ZUIKO 12-42 mm pancake lens** (28-84 mm equiv.), is extremely compact and portable.
 +
 +{{.:olympus:olympus-e-m10-mark2.jpg?480|The Olympus E-M10 Mark II}}
  
 ^ Sensor Size           | 17.3 mm (H) x 13.0 mm (V)  | ^ Sensor Size           | 17.3 mm (H) x 13.0 mm (V)  |
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 ===== Anti-Shock and Silent Shutter ===== ===== Anti-Shock and Silent Shutter =====
  
-The Olympus E-M10 Mark II has two shutter modes called **Anti-Shock** and **Silent**. To fully understand the meaning of these modes, you need to be familiar with some concepts:+The Olympus E-M10 Mark II has two shutter modes called **Anti-Shock** and **Silent**. The following picture shows the **Anti-Shock/Silent** page of the //Advanced shooting options// menu: 
 + 
 +{{.:olympus:menu-anti-shock-silent.png?300|Configuration Menu for Anti-Shock and Silent Shutter}} 
 + 
 +To fully understand the meaning of these modes, you need to be familiar with some concepts.
  
 {{ .:olympus:olympus-shutter.jpg?200|Olympus E-M10 shutter. Photo by hmx0979, dpreview.com}} {{ .:olympus:olympus-shutter.jpg?200|Olympus E-M10 shutter. Photo by hmx0979, dpreview.com}}
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 ===== AEL/AFL and Back Button Focus ===== ===== AEL/AFL and Back Button Focus =====
  
-===== Olympus OM-D Acronyms =====+The **normal behavior** for autofocus and automatic exposure is to **press the shutter button halfway**: the camera performs AF/AE and generally keeps the values locked while you keep the button pressed halfway. Then you can **change framing** and **shoot** by pressing the button completely. 
 + 
 +This behavior can be changed, for example by **separating the AF and AE functions**. Only one of them will be associate to pressing the **shutter button halfway**, the other will be associated to another button, usually a **Fn key**. In general **the Fn button will be used first** (to activate AF or AE), the other //auto// function will be activated by pressing the shutter button halfway, just before completing the shot. 
 + 
 +{{.:olympus:menu-af-mf.png?200|AEL/AFL Modes Menu}} 
 +{{.:olympus:menu-af-mf-mode1.png?200|S-AF Default Mode for AEL Button}} 
 +===== Acronyms from the Olympus OM-D Camera Manual =====
  
 ^ AEL   | **Auto Exposure Locking**: Press the assigned button once to lock the exposure and display **AEL** on the monitor. Press the button again to cancel the lock.  | ^ AEL   | **Auto Exposure Locking**: Press the assigned button once to lock the exposure and display **AEL** on the monitor. Press the button again to cancel the lock.  |
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 ^ C-AF  | **Continuous Auto Focus**: The camera repeats focusing while the shutter button remains pressed halfway.  | ^ C-AF  | **Continuous Auto Focus**: The camera repeats focusing while the shutter button remains pressed halfway.  |
 ^ EFCS  | **Electronic Front-Curtain Shutter**: also known as //Electronic First Shutter Curtain// (EFSC). It is a feature to eliminate camera shake originating from the shutter mechanism.  | ^ EFCS  | **Electronic Front-Curtain Shutter**: also known as //Electronic First Shutter Curtain// (EFSC). It is a feature to eliminate camera shake originating from the shutter mechanism.  |
 +^ ESP   | **Electro-selective pattern**: //Digital ESP-metering// measures the brightness of the center of the subject and the surrounding area separately.  |
 +^ EV    | **Exposure Value** is a number that represents a combination of a camera's shutter speed and f-number. A difference of 1 EV corresponds to a standard power-of-2 exposure step (one //stop//).  |
 ^ EVF   | **Electronic Viewfinder**: The image captured by the lens is projected electronically onto a miniature display.  | ^ EVF   | **Electronic Viewfinder**: The image captured by the lens is projected electronically onto a miniature display.  |
 ^ HDR   | **High Dynamic Range**: technique used to reproduce a greater dynamic range of luminosity, see [[wp>High-dynamic-range imaging]].  | ^ HDR   | **High Dynamic Range**: technique used to reproduce a greater dynamic range of luminosity, see [[wp>High-dynamic-range imaging]].  |
 ^ HP    | **Home Position** for Auto Focus Area. You can associate the **Home** action to a function key, then set the default AF area using the //Menu// => //Custom menu// => //%%AF/MF%%// => //Set Home// | ^ HP    | **Home Position** for Auto Focus Area. You can associate the **Home** action to a function key, then set the default AF area using the //Menu// => //Custom menu// => //%%AF/MF%%// => //Set Home// |
 ^ LV    | **Live View**: A mode which allows to view the photographic sensor output in almost realtime on the camera's LCD screen.  | ^ LV    | **Live View**: A mode which allows to view the photographic sensor output in almost realtime on the camera's LCD screen.  |
 +^ Live Control  | Panel to control shooting options, generally activated by the **OK** and **INFO** buttons. It is a simplified version compared to the //Super Control Panel// |
 +^ Live Guide  | Generally activated by the **OK** and **INFO** buttons: make it easy to access a variety of advanced photographic techniques.  |
 ^ MF    | **Manual Focus**: Manually focus on any position by operating the focus ring on the lens.  | ^ MF    | **Manual Focus**: Manually focus on any position by operating the focus ring on the lens.  |
 ^ ND    | **Neutral Denisty filter**: stops light reaching the camera sensor, allowing a higher aperture and/or a longer exposure time.  | ^ ND    | **Neutral Denisty filter**: stops light reaching the camera sensor, allowing a higher aperture and/or a longer exposure time.  |
 ^ RC mode  | **Remote Control Mode** for external flash units.  | ^ RC mode  | **Remote Control Mode** for external flash units.  |
 ^ S-AF  | **Single Auto Focus**: The camera focuses once when the shutter button is pressed halfway.  | ^ S-AF  | **Single Auto Focus**: The camera focuses once when the shutter button is pressed halfway.  |
 +^ Scene Menu  | Activated with **OK** and **INFO** buttons, it is a special control panel for **ART** e **SCN** modes.  |
 ^ SCP   | **Super Control Panel**: Activated on the monitor or into the viewfinder with the **OK** button, allows you to set the shooting options.  | ^ SCP   | **Super Control Panel**: Activated on the monitor or into the viewfinder with the **OK** button, allows you to set the shooting options.  |
 ^ S-OVF  | **Simulate an Optical Viewfinder**: Viewfinder display similar to an optical viewfinder.  | ^ S-OVF  | **Simulate an Optical Viewfinder**: Viewfinder display similar to an optical viewfinder.  |
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   * **dcraw**   * **dcraw**
-  * **digikam** 
   * **rawtherapee**   * **rawtherapee**
 +  * **darktable**
 +  * **digikam**
   * **ufraw**   * **ufraw**
   * **lightzone** (missing in Debian)   * **lightzone** (missing in Debian)
   * **rawstudio** (missing in Debian)   * **rawstudio** (missing in Debian)
 +
 +<code>
 +dcraw -i -v PC150102.ORF
 +
 +Filename: PC150102.ORF
 +Timestamp: Sun Dec 15 11:27:45 2019
 +Camera: Olympus E-M10MarkII
 +Owner: Niccolo Rigacci                                                
 +ISO speed: 200
 +Shutter: 1/2000.0 sec
 +Aperture: f/3.5
 +Focal length: 14.0 mm
 +Embedded ICC profile: no
 +Number of raw images: 1
 +Thumb size:  3200 x 2400
 +Full size:   4640 x 3472
 +Image size:  4640 x 3472
 +Output size: 3472 x 4640
 +Raw colors: 3
 +Filter pattern: RG/GB
 +Daylight multipliers: 2.155587 0.934705 1.481107
 +Camera multipliers: 2.015625 1.000000 1.671875 0.000000
 +</code>
 +===== Comparison with a Compact Camera =====
 +
 +^              ^ Canon S120         ^ Olympus E-M10 Mark II  ^
 +^ Weight       | 217 g              |  |
 +^ Size         | 100 x 59 x 29 mm    |
 +^ JPEG Images  | 4000 x 3000 24bit  | 4608 x 3456 24bit      |
 +^ RAW Images   | 4192 x 3062 36bit  | 4640 x 3472 36bit      |
 +
 ===== Web References ===== ===== Web References =====
  
   * **[[https://www.wrotniak.net/photo/m43/em1.1-picmode.html|Olympus Picture Modes]]**   * **[[https://www.wrotniak.net/photo/m43/em1.1-picmode.html|Olympus Picture Modes]]**
   * **[[https://www.wrotniak.net/photo/m43/em1.1-picmode.f.html|i-Enhance, Vivid, Natural and Muted comparison]]**   * **[[https://www.wrotniak.net/photo/m43/em1.1-picmode.f.html|i-Enhance, Vivid, Natural and Muted comparison]]**
 +  * **[[http://lclevy.free.fr/cr2/|Understanding Canon RAW .CR2 files]]**
 +
doc/appunti/hardware/olympus-e-m10-mark-ii.txt · Last modified: 2023/09/11 15:27 by niccolo