[\-pixwidth \fIpixels\fP] [\-pixheight \fIpixels\fP]
[\-pixspacex \fIpixels\fP] [\-pixspacey \fIpixels\fP]
[\-lensoffsetx \fIpixels\fP] [\-lensoffsety \fIpixels\fP]
[\-pixwidth \fIpixels\fP] [\-pixheight \fIpixels\fP]
[\-pixspacex \fIpixels\fP] [\-pixspacey \fIpixels\fP]
[\-lensoffsetx \fIpixels\fP] [\-lensoffsety \fIpixels\fP]