Focus

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Focus

  1. 1. HOW TO Focus
  2. 2. Diopter <ul><li>The diopter is the magnifyer in your viewfinder </li></ul><ul><li>Generally, you have an adjustment scroll wheel to adjust to your eyesight </li></ul><ul><li>To adjust your diopter scroll the wheel until the autofocus points look sharp </li></ul>
  3. 3. Manual Focus <ul><li>Make sure your camera’s lens is set to MF(manual focus) by flipping the switch on your lens. </li></ul><ul><li>Turn the focus ring until the image looks sharp </li></ul><ul><ul><li>The focus ring position varies per lens </li></ul></ul><ul><ul><li>Sometimes it is on the very end of the lens and sometimes it is further up the barrel </li></ul></ul>
  4. 4. AutoFocus <ul><li>Make sure that your lens is set to AF (autofocus) using the switch on your camera’s lens </li></ul><ul><li>Modes </li></ul><ul><ul><li>One shot-for still subjects. Focuses once per frame </li></ul></ul><ul><ul><li>AI Servo-for moving objects. It tries to move the focus along with your moving subject. </li></ul></ul><ul><ul><li>AI Focus-switches from one shot to AI servo when the camera senses that your subject is moving </li></ul></ul><ul><li>Find these modes in your menu or use your quick key on the cross keys </li></ul>
  5. 5. One-Shot AF <ul><li>Push your shutter release button halfway down </li></ul><ul><li>The point being focused on flashes red shortly and the focus confirmation lights flashes also </li></ul><ul><li>If the confirmation light blinks, the camera cannot focus and the camera will not allow you to take the picture </li></ul>
  6. 6. AI Servo <ul><li>You hold the shutter release halfway down and hold to continuously focus on your subject even as the subject moves </li></ul><ul><li>As the subject moves forward and back the focus will automatically adjust </li></ul><ul><li>If the subject falls out of the center autofocus point, the focus will continue to move with your subject as long as it is still in one of the autofocus points </li></ul>
  7. 7. AI Focus <ul><li>Your camera will automatically change from one shot to AI servo and back again as it senses a still or moving subject </li></ul>
  8. 8. Selecting an Autofocus Point <ul><li>Press the autofocus point selector button </li></ul><ul><li>Use your cross keys to select your point </li></ul><ul><li>Press set to toggle between center point and auto point selection </li></ul>
  9. 9. Selecting and Autofocus Point <ul><li>To exit press the AF point selector key again or press the shutter release halfway down </li></ul><ul><li>For automatic AF point selection get all the points highlighted in red </li></ul><ul><li>For manual AF point selection select the point you wish to use </li></ul>
  10. 10. AF Assist Beam <ul><li>When you are shooting in a dark situation the flash will pop up and fire a short burst of little flashes to give your lens enough light to focus with </li></ul>
  11. 11. Focus Lock <ul><li>Select the focus point you desire </li></ul><ul><li>Point this point at your subject to focus </li></ul><ul><li>Keep holding down the shutter release and recompose your image as you wish </li></ul><ul><li>This will not work of you are in AI Servo mode or AI Focus mode </li></ul>
  12. 12. When Autofocus Fails <ul><li>Change to manual focus </li></ul>
  13. 13. Mirror Lock Up <ul><li>When in low lighting situations or using telephoto lenses you may want to lock your mirror up to keep the vibrations down during exposure </li></ul><ul><li>To do this go into your menu, custom functions, and enable mirror lock up </li></ul><ul><li>Press the shutter release once to lock mirror up </li></ul><ul><li>Press the shutter release again to take the picture </li></ul><ul><li>Do not point your camera at the sun during mirror lock up, this can damage your sensor </li></ul>
  14. 14. Blurring Out of Focus/Unacceptable Sharp Image Camera Shake/Unacceptable Motion Blur

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