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FOCUS BRACKETING AND STACKING






       STEP 3                            STEP 4                            STEP 5













       Then you simply need to set the number of shots and   Focus on the part of your subject nearest the camera   Fire the shutter to take your shot (if you are using a
       focus steps required.             (either by selecting the appropriate AF point or   tripod this is best done by using a cable release to
                                         switching to Manual Focus).       minimise camera vibration).




       the shot. If you choose too low a   areas of focus than the manual        ● At the present time Focus
       number, the result will be a large   approach) and does enable            Bracketing is limited to the 60mm
       number of images with little   handheld close-up photography to           macro lens plus the 12-40mm and
                                                                   EXAMPLES
       difference between them; choose   be done (great when photographing       14-150mm Pro zooms
                                                                   OF POSSIBLE
       too high a number and there may   insects, for example). However for   SUBJECTS  ● Whilst separate Raw files can
       be gaps of blurred areas between   more critical work or macro (i.e. life   be shot and saved the merged
       the in-focus bands.          size) photography I would advise   • Simple   photograph is a combination of
        The decisions about these   using a tripod.                household items   JPEG images
       settings will be determined by the   Flash can be used but with two   like cutlery.  ● The slowest shutter speed
       number of subjects in the shot, your   limitations:         • Objects from   available is 1/8sec and the
       distance from the subject, how   ● The flash must be attached to    the home/office   maximum ISO 3200
       much of the subject you want to   the camera’s hotshoe                    ● The merged image crops off
                                                                   such as paper
       capture, and your chosen f-stop.   ● The maximum shutter speed is         the edges of the composition so
                                                                   clips, pens and
       Generally more shots will be   limited to 1/20sec.                        an allowance for this must be made
                                                                   coloured pencils.
       required if:                                                • More exotic   in the framing of the shot.
       ● There are many subjects    Focus stacking                                 However, in spite of any
                                                                   possessions such
       in the composition at varying   With the firmware upgrade to the           limitations, these modes are
                                                                   as jewellery.
       distances from the lens      EM1, Olympus went one step further           undoubtedly a boon to
                                                                   • If you’re green-
       ● You are very close to your subject  and added Focus Stacking – with     photographers wanting to try
                                                                   fingered, flowers
       ● You are using a longer     this mode the separate images are            their hand at close-up and macro
                                                                   and plants in your
       focal length lens            blended together in camera. Unlike           photography but who have
       ● You want to cover a wide    the Focus Bracketing mode the   garden make   previously been deterred by
       depth of field                photographer cannot choose the   lovely and usually   the technical complexities. By
       ● You are using a fast aperture.  number of consecutive shots (the   colourful subjects,    opening up the world of close-up
        But trial and error is the key to   camera automatically fires eight   on their own or    photography, encouraging
       success initially.           frames) but can select the required   as a background   experimentation and being fun
        This mode speeds up the process   focus differential.      for the insects   and easy to use into the bargain,
       considerably, increases the chances   There are some limitations with   they attract.   these modes can provide a great
       of success (it’s less likely to miss   this mode:                         stimulus to our creativity.
       STEP 3                            STEP 4                            STEP 5















       Press > and turn on Focus Stacking.  Now you need to set the Focus Differential (in this   Take the shot (preferably with the camera mounted on
                                         example 3 has been set).          a tripod and by using a cable release) and then review
                                                                           the merged image on the LCD to check that the subject
                                                                           is sharp and in focus.


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