Page 33 - Underwater Photography (January-February 2020)
P. 33

the flash trigger, test fire the strobes                                                                                port and strobes at all times when not
       then seal the housing and draw the                                                                                      in use.
       vacuum. To draw the vacuum you                                                                                              The Aquatica A7rIV housing
       must turn on the system before closing                                                                                  retails in the US with any of the
       the housing using the on/off switch                                                                                     bulkhead configurations for $2949.00.
       on the electronics. Once the housing                                                                                    The eight inch acrylic port is around
       buckles are secure the plug is removed                                                                                  $580.00, the 9.25 inch optical glass
       from the vacuum valve and the pump                                                                                      port is $1760.00 and the Macro port is
       is attached. Use the pump to draw                                                                                       $419.00. Extensions with lock begin
       the vacuum until the green LED on                                                                                       at around $250.00.
       the left rear  of the housing remains a                                                                                     If you are seeking the very best
       steady green, DO NOT OVER PUMP.                                                                                         in image quality and a full frame
       The green light will then remain on                                                                                     camera with quality lenses is within
       throughout the dive until the vacuum                                                                                    your budget the Sony Alpha A7R
       is released by opening the port of the                                                                                  IV and Aquatica Pro A7rIV housing
       pump. Don’t forget to replace the plug                                                                                  should be on your short list for
       (which is secured to the valve by a                                                                                     consideration.
       chain) in the vacuum valve. The pump    moving from a sub-full frame system     not find myself having to look away         Thanks to Aquatica.ca for
       supplied with my test housing was       to a full frame system remember the     from the viewfinder to change any       providing the equipment for my
       a bit flimsy and not up to Aquatica’s   reduced depth of field at any given F/  of my camera settings. The bayonet      review and to Pura Vida Divers
       high standards.                         stop over sub-full frame can present    mounted ports and extensions were       (puravidadivers.com) for assistance
           For my review I shot stills using   a few issues. The shallower DOF         easy to change in the field and I often   during some diving operations.
       four Delta 3 Technical Lighting         associated with full frame cameras      did lens changes from the front of the
       Control eight inch strobe arms with     requires more critical focus so         housing without needing to remove                            Phil Rudin
       TLC clamps. Technical Lighting          taking a machine-gun approach to        the camera. The extension rings for                    www.aquatica.ca
       Control is an Aquatica owned lighting   shooting may result in high numbers     the type 4 port system have a unique
       support company that offers arms,       of poorly focused images. Also high     lock on the outside of the extension
       clamps, ball heads and other support    megapixel cameras like the Sony         which is very easy to use.
       equipment. These arms integrate         A7R III and especially the A7R IV           This housing is compact and very
       easily with the one inch ball heads on   tend to highlight the flaws associated   easy to carry. The housing grips are
       the two Inon Z-330 strobes and two      with many lenses of inferior quality,   removable making the housing simple
       Backscatter Mini Flash OS-1’s I used    I recommend choosing wisely when        to pack for carry-on or shipping. The
       for this review. I really like the TLC   making lens purchases.                 ACU flip adapter held the ACU +10
       arms and clamps; they are smooth and        In the water the Aquatica A7rIV     close-up lens out of the way of the
       very easy to move yet never droop or    Pro housing is well balanced and easy
       collapse while in the water.            to use. All of the controls fall at your
            For those of you thinking about    finger tips and after a few dives I did                        www.instagram.com/philrudinphotography

              Issue 112/33                                                                                                                     www.uwpmag.com
   28   29   30   31   32   33   34   35   36   37   38