Forums
New posts
Search forums
What's new
New posts
New media
New media comments
New profile posts
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Nikon DSLR Cameras
D7100
D7100 Inconsistent autofocus. Backfocus / front-focus
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="LouCioccio" data-source="post: 661260" data-attributes="member: 12542"><p>Good info but you left out distance from camera to subject. If you know the distance use this online <a href="http://www.dofmaster.com/dofjs.html" target="_blank">calculator</a> enter you camera, lens and aperture. I would have bumped the shutter speed to twice if hand holding (to eliminate camera shake) and would have selected F/5.6 to F/8 to give me sharpness. If you have a pad or smart phone there some excellent DOF calculators out there that shows you ⅓ in front and ⅔ behind.</p><p>Wide open gives you a narrow DOF Subject distance 10 ft this is selecting 24mm lens at F/1.8 </p><p>Depth of field </p><p>Near limit 8.42 ft</p><p>Far limit 12.3 ft</p><p>Total 3.88 ft</p><p> </p><p>In front of subject 1.58 ft (41%)</p><p>Behind subject 2.3 ft (59%)</p><p>Remember if shooting wide open any movement by you from the plane of focus you'd have to refocus. Thats why wide open is hard to shoot and demands consistence and discipline.</p><p>Lou Cioccio</p></blockquote><p></p>
[QUOTE="LouCioccio, post: 661260, member: 12542"] Good info but you left out distance from camera to subject. If you know the distance use this online [URL="http://www.dofmaster.com/dofjs.html"]calculator[/URL] enter you camera, lens and aperture. I would have bumped the shutter speed to twice if hand holding (to eliminate camera shake) and would have selected F/5.6 to F/8 to give me sharpness. If you have a pad or smart phone there some excellent DOF calculators out there that shows you ⅓ in front and ⅔ behind. Wide open gives you a narrow DOF Subject distance 10 ft this is selecting 24mm lens at F/1.8 Depth of field Near limit 8.42 ft Far limit 12.3 ft Total 3.88 ft In front of subject 1.58 ft (41%) Behind subject 2.3 ft (59%) Remember if shooting wide open any movement by you from the plane of focus you'd have to refocus. Thats why wide open is hard to shoot and demands consistence and discipline. Lou Cioccio [/QUOTE]
Verification
Post reply
Forums
Nikon DSLR Cameras
D7100
D7100 Inconsistent autofocus. Backfocus / front-focus
Top