A medical imaging device (100, 200, 300, 400), comprising: a handle (110, 210, 310) adapted to operate and maneuver the medical imaging device (100, 200, 300, 400); an elongated rigid shaft (120, 220, 320) connected to the handle (110, 210, 310), and an extendible sleeve configured to cover at least a portion of the elongated rigid shaft (120, 220, 320), said extendible sleeve comprises a rigid section comprising at least one optical gear (270, 275, 375, 370, 452), wherein the at least one optical gear (270, 275, 375, 370, 452) comprises a sensor, lenses and light sources required for the sensor functioning, and an extendible section, wherein extending the extendible section pushes the rigid section along a longitudinal axis of the elongated rigid shaft (120, 220, 320) and sliding the rigid section over the elongated rigid shaft (120, 220, 320) changes the at least one optical gear (270, 275, 375, 370, 452) field of view to provide a different linear field of view in an object space, characterized in that the at least one optical gear (270, 275, 370, 375, 452) is located at a distal tip of said rigid section of said extendible sleeve and comprises a front optical gear (270, 370) and a side optical gear (275, 375, 452) and electrical circuitry configured to provide power and data to the front optical gear (270, 370) and the side optical gear (275, 375, 425), wherein the extendible section of the extendible sleeve is defined between a proximal connector and a distal connector, wherein the proximal connector is affixed to a distal surface of a front end of the handle (110, 210, 310), such that extending the extendible section changes a distance between the distal tip of said extendible sleeve relative to a distal tip of the elongated rigid shaft (120, 220, 320), and enables the rigid section to slide over the elongated rigid shaft (120, 220, 320) without changing the orientation of the elongated rigid shaft relative to a region of interest. a handle (110, 210, 310) adapted to operate and maneuver the medical imaging device (100, 200, 300, 400); an elongated rigid shaft (120, 220, 320) connected to the handle (110, 210, 310), and an extendible sleeve configured to cover at least a portion of the elongated rigid shaft (120, 220, 320), said extendible sleeve comprises a rigid section comprising at least one optical gear (270, 275, 375, 370, 452), wherein the at least one optical gear (270, 275, 375, 370, 452) comprises a sensor, lenses and light sources required for the sensor functioning, and an extendible section, wherein extending the extendible section pushes the rigid section along a longitudinal axis of the elongated rigid shaft (120, 220, 320) and sliding the rigid section over the elongated rigid shaft (120, 220, 320) changes the at least one optical gear (270, 275, 375, 370, 452) field of view to provide a different linear field of view in an object space, characterized in that the at least one optical gear (270, 275, 370, 375, 452) is located at a distal tip of said rigid section of said extendible sleeve and comprises a front optical gear (270, 370) and a side optical gear (275, 375, 452) and electrical circuitry configured to provide power and data to the front optical gear (270, 370) and the side optical gear (275, 375, 425), wherein the extendible section of the extendible sleeve is defined between a proximal connector and a distal connector, wherein a rigid section comprising at least one optical gear (270, 275, 375, 370, 452), wherein the at least one optical gear (270, 275, 375, 370, 452) comprises a sensor, lenses and light sources required for the sensor functioning, and an extendible section, wherein extending the extendible section pushes the rigid section along a longitudinal axis of the elongated rigid shaft (120, 220, 320) and sliding the rigid section over the elongated rigid shaft (120, 220, 320) changes the at least one optical gear (270, 275, 375, 370, 452) field of view to provide a different linear field of view in an object space, characterized in that the at least one optical gear (270, 275, 370, 375, 452) is located at a distal tip of said rigid section of said extendible sleeve and comprises a front optical gear (270, 370) and a side optical gear (275, 375, 452) and electrical circuitry configured to provide power and data to the front optical gear (270, 370) and the side optical gear (275, 375, 425), wherein the extendible section of the extendible sleeve is defined between a proximal connector and a distal connector, wherein the proximal connector is affixed to a distal surface of a front end of the handle (110, 210, 310), such that extending the extendible section changes a distance between the distal tip of said extendible sleeve relative to a distal tip of the elongated rigid shaft (120, 220, 320), and enables the rigid section to slide over the elongated rigid shaft (120, 220, 320) without changing the orientation of the elongated rigid shaft relative to a region of interest.