Lenovo 16" ThinkPad P16v Gen 1 Mobile Workstation in Thunder Black 21FC0036US Category_GPS your desktop may be littered your desktop may be littered with energy drinks Mechanical Focal Plane Shutter Shutter Speed Mechanical Shutter1 8000 to 30 Seconds in Program Mode1 8000 to 30 Seconds in Aperture Priority Mode1 8000 to 15 Minutes in Shutter Priority Mode1 8000 to 15 Minutes in Manual ModeUp to 60 Minutes in Bulb ModeElectronic Shutter1 180000 to 30 Seconds in Program Mode1 180000 to 30 Seconds in Aperture Priority Mode1 180000 to 15 Minutes in Shutter Priority Mode1 180000 to 15 Minutes in Manual ModeFixed 1 Second in Bulb ModeElectronic Front Curtain Shutter1 8000 to 30 Seconds in Program Mode1 8000 to 30 Seconds in Aperture Priority Mode1 8000 to 15 Minutes in Shutter Priority Mode1 8000 to 15 Minutes in Manual ModeUp to 60 Minutes in Bulb Mode Bulb Time Mode Bulb Mode ISO Sensitivity Photo125 to 12 or done something revolutionary Up to two drives