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Help with focusing
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<blockquote data-quote="WayneF" data-source="post: 207595" data-attributes="member: 12496"><p>The question is: What f/stop and shutter speed were used?</p><p></p><p>Next question is: Why? Was it your learned experience that decided it, or did you just leave it up to the camera to do something?</p><p></p><p>You said: "how to make sure the entire picture is in focus", which sounds like depth of field, and the pumpkins certainly suggest that. Stopping down to a smaller aperture (larger f/stop Number) increases the depth of field, the depth that the focus appears sharp. This necessarily also involves slower shutter speed, or higher ISO.</p><p></p><p>Sharpness generally depends on:</p><p></p><p>Focus accuracy: It is good rule of thumb to focus about 1/3 deep into the scene (a third into the range you want sharp) to maximize the depth of field. You still need depth of field too of course. Portraits though, generally best to focus on the near eye, unless unusual factors, like the pumpkins (which is extended range, more than just a face).</p><p></p><p>Depth of field: This is the f/stop, which controls the range of the depth of acceptable focus. Stopping down increases depth of sharpness (to a point, not at all unlimited).</p><p></p><p>Shutter speed: Slow shutters can blur motion, and also allows blurring due to camera shake. Faster is better. Tripods are better.</p><p></p><p style="text-align: left"><span style="color: #000000">What were these numbers?</span></p> <p style="text-align: left"><span style="color: #000000"></span></p> <p style="text-align: left"><span style="color: #000000"></span></p> <p style="text-align: left"><span style="color: #000000">A very good book for beginners is: <a href="http://www.amazon.com/Understanding-Exposure-3rd-Edition-Photographs/dp/0817439390/ref=sr_1_1?ie=UTF8&qid=1381686794&sr=8-1&keywords=understanding+exposure" target="_blank">Understanding Exposure, 3rd Edition: How to Shoot Great Photographs with Any Camera: Bryan Peterson: 9780817439392: Amazon.com: Books</a></span></p> <p style="text-align: left"><span style="color: #000000"></span></p> <p style="text-align: left"><span style="color: #000000">Highly recommended for ANY beginner. This is a very easy read, and it is the most fundamental basics that every photographer knows, and beginners that don't yet need to give it some serious attention.</span></p> <p style="text-align: left"><span style="color: #000000"></span></p> <p style="text-align: left"><span style="color: #000000"></span></p> <p style="text-align: left"><span style="color: #000000"></span></p></blockquote><p></p>
[QUOTE="WayneF, post: 207595, member: 12496"] The question is: What f/stop and shutter speed were used? Next question is: Why? Was it your learned experience that decided it, or did you just leave it up to the camera to do something? You said: "how to make sure the entire picture is in focus", which sounds like depth of field, and the pumpkins certainly suggest that. Stopping down to a smaller aperture (larger f/stop Number) increases the depth of field, the depth that the focus appears sharp. This necessarily also involves slower shutter speed, or higher ISO. Sharpness generally depends on: Focus accuracy: It is good rule of thumb to focus about 1/3 deep into the scene (a third into the range you want sharp) to maximize the depth of field. You still need depth of field too of course. Portraits though, generally best to focus on the near eye, unless unusual factors, like the pumpkins (which is extended range, more than just a face). Depth of field: This is the f/stop, which controls the range of the depth of acceptable focus. Stopping down increases depth of sharpness (to a point, not at all unlimited). Shutter speed: Slow shutters can blur motion, and also allows blurring due to camera shake. Faster is better. Tripods are better. [LEFT][COLOR=#000000]What were these numbers? A very good book for beginners is: [URL="http://www.amazon.com/Understanding-Exposure-3rd-Edition-Photographs/dp/0817439390/ref=sr_1_1?ie=UTF8&qid=1381686794&sr=8-1&keywords=understanding+exposure"]Understanding Exposure, 3rd Edition: How to Shoot Great Photographs with Any Camera: Bryan Peterson: 9780817439392: Amazon.com: Books[/URL] Highly recommended for ANY beginner. This is a very easy read, and it is the most fundamental basics that every photographer knows, and beginners that don't yet need to give it some serious attention. [/COLOR][/LEFT] [/QUOTE]
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