{"id":38852,"date":"2015-10-12T12:57:41","date_gmt":"2015-10-12T10:57:41","guid":{"rendered":"https:\/\/www.procamera-app.com\/?p=38852"},"modified":"2023-03-09T14:17:19","modified_gmt":"2023-03-09T13:17:19","slug":"shutter-iso-priority-in-procamera","status":"publish","type":"post","link":"https:\/\/procamera-app.com\/en\/blog\/shutter-iso-priority-in-procamera\/","title":{"rendered":"Shutter & ISO Priority in ProCamera"},"content":{"rendered":"

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What is the “Shutter & ISO Priority” all about?<\/h4>\n

[\/vc_column_text][vc_column_text]The SI mode in ProCamera builds a bridge between the automatic mode and full manual. In doing so, it combines the advantages of both technologies: You get the speed of the automatic mode and the control of the manual mode. That is why this feature is so popular on big DSLR cameras, and it\u2019s also the reason why we have received so many requests for it all along.[\/vc_column_text]

<\/div>[vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text]There are situations where you want to deviate from the values the automatic mode gives you. This doesn\u2019t mean that there is anything wrong with those values. The automatic mode does exactly what it\u2019s supposed to \u2013 but it just can\u2019t read your mind.
\nIn SI mode you may then adjust the shutter speed according to the situation or your artistic vision \u2013 and ProCamera will automatically calculate the appropriate ISO value for the best possible exposure. It also works vice versa: You adjust the ISO value, and ProCamera finds the right shutter speed. The difference between semiautomatic and manual mode is, that in full manual you have to adjust both values manually in order to get the same overall\u00a0level of exposure.[\/vc_column_text]
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Why would I want to adjust the Shutter Speed or the ISO Value?<\/h4>\n

[\/vc_column_text][vc_row_inner][vc_column_inner width=”1\/2″][vc_single_image image=”38869″ img_size=”large” alignment=”center” onclick=”link_image” css=”.vc_custom_1443106988131{margin-bottom: 20px !important;}”]

<\/div>[\/vc_column_inner][vc_column_inner width=”1\/2″][vc_column_text]This primarily depends on your motif. In case you want to capture something that is moving relatively fast (cyclist, driving car, flying bird, pedestrian, etc.), you may want to dial in a faster\u00a0shutter speed to freeze the motion. Then, in order to get the same exposure, the ISO value needs to be raised, so that the sensor is more sensitive to light. Higher ISO values compensate for a shorter exposure duration.
The higher the ISO value is, the more noise is introduced into the photo. Therefore you may want to do the opposite in some cases: Lower the ISO value, which leads to a longer exposure time\u00a0and less noise. This is not always advisable, because you may no longer be able to freeze the motion of a moving subject, or you may no longer be able to shoot handheld, due to the long exposure time.
The important thing about it is, that there is no right or wrong. These are all legitimate settings. It\u2019s all about the motif and your vision: Do you want to capture fast movements without motion blur \u2013 or do you want less grain in your photo? You decide what the photo should look like \u2013 and ProCamera provides you with the tools for that.[\/vc_column_text]
<\/div>[vc_column_text]Alongside, you can see two photographs plus magnifications of the same scene. The\u00a0upper one was taken in Shutter Priority, aiming for a relatively short exposure time to freeze the motion of the pedestrians. As it was long after sunset and therefore pretty dark, the ISO value was automatically\u00a0raised to ISO 2000.
\nThe second photo was taken in ISO Priority, aiming for as little noise as possible. To achieve this, the ISO value was manually lowered to ISO 64, which\u00a0resulted in an extended exposure time. As you will notice, at a shutter speed of 1\/15 seconds, the movement\u00a0of the pedestrians\u00a0causes a lot of motion blur.<\/em>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner]
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Understanding\u00a0Shutter Speed and\u00a0ISO\u00a0Sensitivity<\/h4>\n

[\/vc_column_text][vc_column_text]The graphic below shows you how changing the Shutter Speed<\/strong>\u00a0and\/or ISO-Value<\/strong>\u00a0will affect your final photograph:[\/vc_column_text]

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How do I use SI Mode in ProCamera?<\/h4>\n

[\/vc_column_text][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text]1. Entering SI Mode:<\/strong><\/p>\n

To enter SI mode, open the Control Panel and tap twice on the \u201eM ISO & Shutter\u201c. This leads you from automatic mode (\u201eM\u201c icon is colored in white), to manual mode (icon is colored in green), to SI mode (SI icon).<\/p>\n

An alternative way to start the SI mode is long-pressing the \u201eM ISO & Shutter” icon until a submenu\u00a0appears.[\/vc_column_text]

<\/div>[\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”38862″ img_size=”full” alignment=”center” onclick=”link_image” css=”.vc_custom_1443102566634{margin-bottom: 20px !important;}”]
<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text]2. Using the Exposure Circle and\/or EV Slider:<\/strong><\/p>\n

This step is optional. In case the preview in your viewfinder looks right to you, you can either take your photo right away or go to step 3 to manually adjust the pair of values.
\nWhen you enter SI \u00a0Mode, you start with an auto calculated pair of values. If you want to adjust the brightness level of your photo (make it brighter\/darker), you can use the Exposure Circle<\/strong>. Simply drag it to an area in the viewfinder, where you want the automatic to base their calculation on.<\/p>\n

Another way to make changes to the pair of values, is to use the EV Slider<\/strong> ( “+\/-” icon on top of the screen). With a simple swipe, you can\u00a0brighten or darken your photograph.<\/p>\n

To change the overall brightness of your photo, you can either use the Exposure Circle or the EV Slider. Both will give you an new pair of auto-calculated values, based on your brightness\u00a0adjustments. The difference between the two is, that with the EV slider\u00a0the\u00a0relative adjustment (darker\/brighter) will be maintained, even when manually altering exposure\u00a0time or ISO value in Step 3.[\/vc_column_text]

<\/div>[\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”38874″ img_size=”full” onclick=”link_image” css=”.vc_custom_1443109198351{margin-bottom: 20px !important;}”][vc_column_text]Pro Tip
\n<\/strong>It also works the other way around: You have manually adjusted\u00a0the Shutter Speed and\/or ISO value (Step 3)\u00a0and realize it\u2019s not what you had in mind. To quickly go back to auto-calculated values \u2013 even if they are just a new starting point for further adjustments \u2013 simply move the exposure reticle or the EV slider.[\/vc_column_text]
<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text]3. Adjusting the Shutter Speed or\u00a0ISO Value:<\/strong><\/p>\n

When you are in SI mode, you can tap on the shutter speed or ISO value\u00a0at the\u00a0top of the screen to adjust the corresponding value. When doing so, you will notice that changing one of those values manually results in an automatic adjustment of the second value. That’s why it’s called semi-automatic mode.
\nAs far as technically possible, the SI mode will ensure a consistent brightness level when changing a value. A photo taken at ISO 32 and an exposure time of 1\/50s is just as bright as a photo taken at ISO 64 and an exposure time of 1\/100s.
\nThe automatic calculation of the second value is based on the area where your Exposure Circle is located.\u00a0If\u00a0you haven’t\u00a0moved the Exposure Circle, the reading will be based on a large area in the center of the image.[\/vc_column_text]

<\/div>[\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”39725″ img_size=”full” alignment=”center” onclick=”link_image” css=”.vc_custom_1444399248576{margin-bottom: 20px !important;}”]
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<\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]You have the choice:<\/strong><\/p>\n

If you are a total Pro, you might find the camera is encroaching on your field of expertise, when using the exposure circle\/EV Dial, resp. getting auto-calculated values in SI Mode. If this is the case, simply switch off the exposure circle and hide the EV dial (or just don\u2019t touch them). However, we invite every Pro to give the simple \u201cSI Mode\u201d with the Exposure Circle a try before going into the world of DSLR control.<\/p>\n

Everyone has\u00a0their\u00a0own preferred style of shooting. Therefore ProCamera offers three ways to operate: Completely intuitive with focus and exposure reticles, completely manual\u00a0with a DSLR style control and third, the best of both worlds: completely intuitive plus manual control when needed.<\/p>\n

As this is a brand new feature and we received so many requests on it, we are very interested in user feedback.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

The semiautomatic SI mode builds a bridge between the automatic mode and full manual. In this blogpost we show how to get the best of both worlds: The speed of the automatic and the control of the manual mode.<\/p>\n","protected":false},"author":15,"featured_media":39753,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[46,5],"tags":[976,977,946,975,947,7,944,945,978,974],"class_list":["post-38852","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","category-whats-new","tag-exposure-time","tag-freeze-motion","tag-iso","tag-noise","tag-priority","tag-procamera","tag-semiautomatic","tag-shutter","tag-si-mode","tag-v9-0","category-46","category-5","description-off"],"yoast_head":"\nShutter & ISO Priority in ProCamera - ProCamera + HDR - Turn your iPhone into a powerful digital camera<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/procamera-app.com\/en\/blog\/shutter-iso-priority-in-procamera\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shutter & ISO Priority in ProCamera - ProCamera + HDR - Turn your iPhone into a powerful digital camera\" \/>\n<meta property=\"og:description\" content=\"The semiautomatic SI mode builds a bridge between the automatic mode and full manual. 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