Yashica Auxiliary TLR lenses User manual

\ASHICA
      rELSlil+ilu,-r*,
              and
     WIDE-ANG LE LENS
INSTRUCTIONS LEAFLET

                                         www.butkus.us

YASHICA auxiliary TELEPHOTO and WIDE-ANGLE LENSES can be used
with all 2yo" x 2yo" (0 x 6 cm) twin-lens reflex cameras featuring bayonet
mou nts.
Both the auxiliary TELEPHOTO and WIDE-ANG LE lenses consist of an
accurately matched pair of VIEWING and TAKING lenses with bayonet
mounts. Thus, the Focusing Screen shows the image exactly as it will appear
on the film and no conversion adjustment is necessary with either lens.
CONVE RSION DATA

The aux  il iary T E L E PH OTO lens increases the eff ective focal length of the
camera lens, by about 50%, to 112.8mm. The subject is magnified about 1.5
times.
The auxiliary WIDE-ANG LE lens reduces the effective focal length of the
camera lens, by about 25o/o, to 58.4mm. The pictu re area is increased by
aboutTSo/o.

YASH ICA auxiliary TELEPHOTO and WtDE-
          ANG LE LE NSES featu re bayonet mounts wh ich
                    fit YASH lcA twin-lens reflex cameras and ail other
              2y4" x 2Ta" (6 x 6 cm) twin-lens reflex camera with
               bay on et mou nts.





                                    Digitally signed by mike butkus
                              cn=mike butkus,mike          DN:o=orphancameras,                                             ou=29,
                             email=mike@butkus.org, c=US
                                Date: 2019.08.31 12:27:08
                                   -04'00'butkus

APE RTU R E
For sharp, .rirp pictures in color and black-and-wh ite, with the auxiliary
TELEPHOTO and WIDE-ANGLE lenses, the use of apertures from f/5.6 to
tl11 is recommended. 'Vignetting' may occur at f 116 or tl22 apertures.
                                           Wl DE-ANG LE lenses enableThe YASH ICA auxiliary TELEPHOTO and
                          su bjects and wide area coverager wh ich add newclose-u ps of distant
dimensions to your picture-taking enjoyment.




          YASHICA GO., LTD.
                27 -8, 6-chome, Jingumae, Shibuya-ku, Tokyo, Japan                    Printed in JaPan