A near infrared light optical imaging device (10, 100) for imaging an object, the imaging device comprising: a body (12, 120, 720, 820), three first optical transceivers (170, 870) and at least one second optical transceiver (180, 880) located within the body (12, 120, 720, 820), a mounting surface located on the body (12, 120), the mounting surface having a generally planar mounting face and an outer wall extending from the periphery of the face, wherein the outer wall and the face define a mounting surface inner volume, the mounting face comprising a plurality of openings arranged in a predetermined configuration and adapted to receive the first and second optical transceivers (170, 870, 180, 880), and an optical imaging device cap (20, 200) removably mounted on the mounting surface, wherein the optical imaging device cap (20, 200) comprises a bellow support plate (40, 400) and a deformable bellow (60, 600) sealingly engaged to the bellow support plate (40, 400), the bellow support plate (40, 400) comprising: a first support plate face (5, 405) shaped to engage the mounting face when the device cap (20, 200) is mounted within the mounting surface inner volume, a second support plate face (6, 406) configured to face a surface of the object to be imaged, three fixed housings (43AB, 430AB), each of the fixed housings (43AB, 430AB) being adapted to receive a fixed light pipe (35AB, 435), each of the fixed light pipes (35AB, 435) corresponding to one of the first optical transceivers (170, 870), and at least one deformable housing (44, 440) adapted to receive a movable light pipe (45, 445), the deformable housing (44, 440) corresponding to the at least one second optical transceiver (180, 880), each of the fixed (43AB, 430AB) and deformable housings (44, 440) having a tip (432, 442) adapted to contact the surface of the object to be imaged; and the deformable bellow (60, 600) having a generally C-shaped cross-sectional-profile defining a first perimeter rim (61, 610) and a second perimeter rim (62, 620), wherein the first perimeter rim (61, 610) sealingly engages the bellow support plate (40, 400), and wherein, in use, the second perimeter rim (62, 620) of the bellow (60, 600) contacts the surface of the object to be imaged and the bellow (60, 600) is deformed to allow the tips of the fixed (43AB, 430AB) and deformable housings (44, 440) to contact the surface of the object to be imaged. a body (12, 120, 720, 820), three first optical transceivers (170, 870) and at least one second optical transceiver (180, 880) located within the body (12, 120, 720, 820), a mounting surface located on the body (12, 120), the mounting surface having a generally planar mounting face and an outer wall extending from the periphery of the face, wherein the outer wall and the face define a mounting surface inner volume, the mounting face comprising a plurality of openings arranged in a predetermined configuration and adapted to receive the first and second optical transceivers (170, 870, 180, 880), and an optical imaging device cap (20, 200) removably mounted on the mounting surface, wherein the optical imaging device cap (20, 200) comprises a bellow support plate (40, 400) and a deformable bellow (60, 600) sealingly engaged to the bellow support plate (40, 400), the bellow support plate (40, 400) comprising: a first support plate face (5, 405) shaped to engage the mounting face when the device cap (20, 200) is mounted within the mounting surface inner volume, a second support plate face (6, 406) configured to face a surface of the object to be imaged, three fixed housings (43AB, 430AB), each of the fixed housings (43AB, 430AB) being adapted to receive a fixed light pipe (35AB, 435), each of the fixed light pipes (35AB, 435) corresponding to one of the first optical transceivers (170, 870), and at least one deformable housing (44, 440) adapted to receive a movable light pipe (45, 445), the deformable housing (44, 440) corresponding to the at least one second optical transceiver (180, 880), each of the fixed (43AB, 430AB) and deformable housings (44, 440) having a tip (432, 442) adapted to contact the surface of the object to be imaged; and a first support plate face (5, 405) shaped to engage the mounting face when the device cap (20, 200) is mounted within the mounting surface inner volume, a second support plate face (6, 406) configured to face a surface of the object to be imaged, three fixed housings (43AB, 430AB), each of the fixed housings (43AB, 430AB) being adapted to receive a fixed light pipe (35AB, 435), each of the fixed light pipes (35AB, 435) corresponding to one of the first optical transceivers (170, 870), and at least one deformable housing (44, 440) adapted to receive a movable light pipe (45, 445), the deformable housing (44, 440) corresponding to the at least one second optical transceiver (180, 880), each of the fixed (43AB, 430AB) and deformable housings (44, 440) having a tip (432, 442) adapted to contact the surface of the object to be imaged; and the deformable bellow (60, 600) having a generally C-shaped cross-sectional-profile defining a first perimeter rim (61, 610) and a second perimeter rim (62, 620), wherein the first perimeter rim (61, 610) sealingly engages the bellow support plate (40, 400), and wherein, in use, the second perimeter rim (62, 620) of the bellow (60, 600) contacts the surface of the object to be imaged and the bellow (60, 600) is deformed to allow the tips of the fixed (43AB, 430AB) and deformable housings (44, 440) to contact the surface of the object to be imaged.