3573
3584
my ($et, $lensTypePrt, $printConv, $lensSpecPrt, $lensType, $focalLength,
3574
3585
$maxAperture, $maxApertureValue, $shortFocal, $longFocal, $lensModel,
3575
3586
$lensFocalRange, $lensSpec) = @_;
3577
3588
return undef unless defined $lensType;
3578
3589
# get print conversion hash if necessary
3579
3590
$printConv or $printConv = $$et{TAG_INFO}{LensType}{PrintConv};