s="c1">#     | For help on parameter details: ?luxpy.cam.cam18sl</span>
<span class="c1">#     &quot;&quot;&quot;</span>
<span class="c1">#     return cam18sl(xyz, datab = xyzb, Lb = Lb, fov = fov, direction = &#39;forward&#39;, inputtype = &#39;xyz&#39;, outin = &#39;Q,aW,bW&#39;, parameters = parameters)</span>
                
<span class="c1"># def qabW_cam18sl_to_xyz(qab, xyzb = None, Lb = [100], fov = 10.0, parameters = None, **kwargs):</span>
<span class="c1">#     &quot;&quot;&quot;</span>
<span cla