The RM75-850 dark field ring light is a miniature light featuring SVL's MultiDrive driver for constant on or overcurrent strobe operation. It is designed for working distances of 25mm to 200mm and has a 52mm aperture that can mount directly to a lens or camera using the optional mounting adapter. The light has a silicone lens for improve environmental sealing and a robust aluminum body with t-slots for easy mounting. The RM75-850 is in the 850nm Infrared color and features a lens beam angle of Diffused. The RM series is available in White, 470nm Blue, 530nm Green, 625nm Red, and 850nm IR wavelength variants. Technical Specifications Dimensions + Height 1.5 in / 38 mm Inner Diameter 2.05 in / 52 mm Outer Diameter 2.83 in / 72 mm Cable Length 6 in / 152 mm Active Diameter 2.83 in / 72 mm Viewport Diameter 2.05 in / 52 mm Product Weight 0.3 lbs / 0.13 kg Product Availability + Stock Location Built to Order Product Lifecycle Active Standard Lead Time 5 days Thermal Limitations + Min Operating Temp -10°C / 14°F Max Operating Temp 40°C / 104°F Min Storage Temp -20°C / -4°F Max Storage Temp 70°C / 158°F Connector and Driver Information + Connector Type 5 Pin M12 Male A-Coded Connectorized At Light Connectorized Driver Information + Driver Nomenclature SVL Multi-Drive Driver Included Included Driver Location Internal Electrical Characteristics + Voltage 24 VDC V Max Input Power Constant On 7 W Max Strobe Latency 10 us Max Strobe Duration 0 ms Max Strobe Frequency 4000 Hz Max Strobe Duty Cycle 100 % Min Strobe Duration 30 ms Max Overcurrent Strobe Current 2500 mA Max Overcurrent Strobe Latency 6 us Max Overcurrent Strobe Duration 50 ms Max Overcurrent Strobe Frequency 4000 Hz Max Overcurrent Strobe Duty Cycle 10 % Min Overcurrent Strobe Duration 30 ms Max Overcurrent Strobe Input Power 63 W Max Duty Cycle 100 % PNP Trigger Voltage 4-24 VDC V PNP Trigger Current 17.6 mA NPN Trigger Voltage < 1 VDC V NPN Trigger Current 14 mA Product Configuration Details + Collimated Not Collimated Wavelength 850nm Infrared Diffused Diffused Polarized Not Polarized Lens Angle Diffused Operational Modes + Operation Modes Constant On, Constant On – Dimmable, Overcurrent Strobe, Overcurrent Strobe - Dimmable, Strobe, Strobe – Dimmable Strobe Trigger Input PNP Trigger, NPN Trigger Intensity Adjustment Type Analog Voltage Daisy Chain No Direct Connect No Mechanical Properties + Housing Material Aluminum Mounting Method T-Slot Channels IP Rating IP65 Regulatory Information + Compliances CE, IEC 62471, RoHS Warranty 10 Years Shipping + Country of Origin United States HTS Code 9033.00.2000