A near infrared light optical imaging device (10, 100) for imaging an object, the imaging device comprising: a body (12, 120, 720, 820), at least three optical transceivers (170, 180, 870, 880) located within the body, 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 mounting 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 at least three optical transceivers, and an optical imaging device cap (20, 200) removably mounted on the mounting surface, characterized in that 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 configured to face a surface of the object to be imaged, and at least three deformable housings (43A-C), each of the deformable housings (43A-C) being adapted to receive a light pipe (35A-C) and having a tip adapted to contact the surface of the object to be imaged, each of the light pipes corresponding to one of the at least three optical transceivers (170, 870), and an air inflow system (18, 38, 46, 68) for allowing passage of air from the exterior of the device into the interior of the bellow (60, 600) when in use, 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 deformable housings (43A-C) to contact the surface of the object to be imaged. a body (12, 120, 720, 820), at least three optical transceivers (170, 180, 870, 880) located within the body, 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 mounting 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 at least three optical transceivers, and an optical imaging device cap (20, 200) removably mounted on the mounting surface, 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 configured to face a surface of the object to be imaged, and at least three deformable housings (43A-C), each of the deformable housings (43A-C) being adapted to receive a light pipe (35A-C) and having a tip adapted to contact the surface of the object to be imaged, each of the light pipes corresponding to one of the at least three optical transceivers (170, 870), and an air inflow system (18, 38, 46, 68) for allowing passage of air from the exterior of the device into the interior of the bellow (60, 600) when in use, 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 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 configured to face a surface of the object to be imaged, and at least three deformable housings (43A-C), each of the deformable housings (43A-C) being adapted to receive a light pipe (35A-C) and having a tip adapted to contact the surface of the object to be imaged, each of the light pipes corresponding to one of the at least three optical transceivers (170, 870), and an air inflow system (18, 38, 46, 68) for allowing passage of air from the exterior of the device into the interior of the bellow (60, 600) when in use, 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