LUMBERG 1636 05 DC Power Connector, Plug, 2 A, 1.4 mm, 9.5 mm, Cable Mount, 4.3 mm Photographers' Formulary 07-0270 and elastic donut

and elastic donut

The Dry Lock (DL) Port System accommodates lenses with large diameters

Microswitch Actuator Pin Plunger Contact Voltage DC Nom 30VDC Operating Force Max 17ozf Contact Voltage AC Nom 250VAC Microswitch Type Subminiature Switch Terminals Wire Leaded Contact Configuration SPST-NO Product Range SE Series Contact Current Max 5A Other details

The dedicated Vello EW-78BII Lens Hood is specifically designed for use with Canon's EF 28-135mm f/3

It uses low-dispersion

LUMBERG 1636 05 DC Power Connector, Plug, 2 A, 1.4 mm, 9.5 mm, Cable Mount, 4.3 mm Photographers' Formulary 07-0270 and elastic donutThe 1636 05 from Lumberg is a straight version power supply plug according to JEITA RC 5320A JSBP5 standard with solder terminals and bend protection. Outer diameter is 6. 5mm Inner diameter is 4. 3mm Centre diameter pin is 1. 4mm Nominal power of 2A Nominal voltage is 18VDC Mating with 1613 11, 1614 05 power supply sockets Temperature range from 20C to 70C Applications Power Management, Industrial Product details Barrel Outer Diameter 6. 5mm