Rear Adapter for a High Etendue Modular Zoom Lens

A finite conjugate camera, comprising:

• (a) an afocal zoom module including a zoom lens assembly including five lens groups including, from object end to image end
• (i) a first positive static group including a doublet, a triplet, two doublets, or a doublet and a singlet;
• (ii) a first negative movable group including a triplet, or one or two doublets, or a doublet and a singlet;
• (iii) a third group including a doublet, or a triplet, or three singlets, or a doublet and a singlet;
• (iv) a second negative movable group including one or two doublets, or a triplet, or a doublet and a singlet;
• and
• (v) a second positive static group including a triplet, a doublet, or a doublet and a singlet, or two doublets;
• (b) a lens attachment module coupled to the object end of the zoom module, wherein the lens attachment module comprises a lens attachment lens assembly including
• (i) a doublet and a triplet, or
• (ii) two doublets and a singlet, or
• (iii) a doublet and three singlets, or
• (iv) a doublet and two singlets, or
• (v) three doublets, or
• (vi) three doublets and a singlet;
• or
• (vii) a triplet and a doublet and a singlet, or
• (viii) a triplet and two doublets, or
• (ix) two doublets and three singlets, or
• (x) two doublets and four singlets;
• (c) a rear adapter module coupled to an image end the zoom module, wherein the rear adapter module comprises a rear adapter lens assembly including
• (i) one doublet and three singlets, or
• (ii) two doublets and a singlet;
• and
• (d) an image sensor or eyepiece disposed at an image plane.