Page 20 - (DK) Advanced Photography Guide
P. 20

18         EXPLAINING | CAMERAS


           SINGLE LENS REFLEX CAMERAS



           Inside a single lens reflex (SLR) camera is a    in 35mm film cameras since the 1940s;
           mirror that directs light from the lens through   however, the concept itself dates from the
           a pentaprism (a five-sided prism) to an optical   late 19th century. Modern digital SLR cameras
           viewfinder. The image in the viewfinder is       (or DSLRs) can trace their lineage directly
           displayed in the correct orientation and         back to 35mm camera designs. This means
           allows the photographer to compose shots         that some equipment, such as lenses, may
           accurately. This system has been employed        be compatible on both types of SLR.


            CONSUMER VS. PROFESSIONAL


           There are two broad categories of DSLR: consumer and
           professional. Consumer DSLRs are usually smaller, lighter, and
           cheaper than professional models and are generally designed                             5
           to make photography as easy and foolproof as possible.
           Professional DSLRs, though less intuitive to use, offer a
           greater range of options and are more rugged.

            CONSUMER
           Consumer cameras tend to have all the key features that a   2                           8
           serious photographer needs without the cost or bulk of
           a professional model.                            10


                                           6

                                           1
           WHAT TO EXPECT

            ◾ ◾ Pop-up flash
            ◾ ◾ Low flash-sync speed (see pp.138–39)
            ◾ ◾ 95–98% optical viewfinder
            ◾ ◾ Automated scene modes for
             simplified shooting
            ◾ ◾ Few physical controls and buttons
            ◾ ◾ Low frame rate             7
            ◾ ◾ Lightweight polycarbonate body
             with little or no weather sealing
            ◾ ◾ APS-C (cropped) sensor
            ◾ ◾ Available with a kit lens
            ◾ ◾ Around 9 to 19 AF points                           3                                 4







   US_018-019_Understand_DSLR.indd   18                                                              05/02/2018   14:34
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