Canon® EF/EF-S Lens Controller

(Product ID: Controller: LC-2, Adapters: LC-2A-C, LC-2A-M42, LC-2A-T)lc-2 connected

The ISSI Canon® EF/EF-S lens controller is designed to operate Canon® and Tamron® EF, EF-S and L series auto focus lenses.  The lens controller makes it possible to operate these lenses on non-Canon® cameras.  The Ethernet connection makes communication much more simple than traditional serial lens controllers and also allows it to be operated over long distances.   The LC-2 is compatible with both Windows and Linux via API commands.



  • Remotely control Canon® and Tamron® EF/EF-S auto focus (AF) lenses
  • Use Canon® EF/EF-S and Tamron® EF auto focus (AF) lenses on non-Canon® cameras
  • Accurate and repeatable control of Focus, and aperture
  • Auto-detection of attached lens and F-number stops with included lens adapter
  • 10/100Mbps Ethernet interface
  • Multiple devices can be connected and simultaneously controlled over a network
  • Easy to use software interface and TCP/IP API commands
  • Unlimited programmable preset capability to easily store and recall saved positions on the lens
  • M42x1-mount (LC-2A-M42), c-mount (LC-2A-C) and T-mount (LC-2A-T) lens adapters are available with the LC-2



The lens control system consists of the lens control box (LC-2) and a lens adapter to connect the EF lens to a specific camera connection.

LC-2 Control Boxlc-2A-clc-2A-M42               LC-2A-T

                   LC-2 Control Box                                                                     LC-2A-C Lens Adapter                                                                                                 LC-2A-M42 Lens Adapter                                                                LC-2A-T Lens Adapter
                                                                                                                             For C-mount Cameras                                                                                                For M42x1-Mount Cameras                                                 For T-Mount (M42x0.75) Cameras



  • Machine Vision Systems
  • Aerial Surveillance Systems
  • Sorting Systems
  • Inspection Systems
  • Event Monitoring Systems
  • Video Production
  • Astrophotography and Astronomy

Pairing a Lens Adapter to a Camera

In order for infinity focus with EF lenses, the flange focal distance of 44.0 mm must be maintained.  Flange focal distance is the distance from the lens mounting flange to the sensor image plane.  Drawings below in the CAD Drawings section show the thickness of each adapter ("B").  Camera datasheets will specifiy "A" in their mechanical drawings.

Flange Focal Distance


Custom solutions are available.  Please call us to discuss.

Precise Parts

To adapt one of our standard lens adapters to a camera, we recommend Precise Parts.  They can provide customized solutions to mate all ISSI adapters to a variety of cameras.  To access ISSI lens adapters, select "other brand names" from the "Telescope or Objective Side" menu and press next.  ISSI lens adapters will be displayed here.  

Ordering Information: Package consists of LC-2 control box and one lens adapter.  Specify lens adapter type (C-, M42- or T-mount).  

Carrying case also available.


Canon® Lens Controller (LC-2) Datasheet.pdf

Canon® Lens Controller (LC-2) User Manual.pdf

User Interface: v1.3.11 Windows (32/64-bit)  -  6.7MB 

Firmware: v1.7.1  - 21KB (only for v1.3.11 GUI) 


CAD Drawings

LC-2 Control Box 3D CAD.pdf

LC-2 Control Box 2D Drawing.pdf

LC-2A-C Lens Adapter 3D CAD.pdf

LC-2A-C Lens Adapter 2D Drawing.pdf

LC-2A-M42 Lens Adapter 3D CAD.pdf

LC-2A-M42 Lens Adapter 2D Drawing.pdf

Tested Lens

Canon EF 18-55mm f/3.5-5.6 USM

Canon EF 20mm f/2.8 USM

Canon EF 24mm f/2.8 IS USM

Canon EF 28mm f/1.8 USM

Canon EF 35mm f/1.4 L USM

Canon EF 50mm f/1.4 USM

Canon EF 50mm f/1.2 L USM

Canon EF-S 60mm f/2.8 USM

Canon EF 85mm f/1.8 USM

Canon EF 100mm f/2.8 USM

Canon EF 100mm f/2.0 USM

Canon EF 135mm f/2.8 STM

Canon EF 180mm f/3.5 L USM

Canon EF 70-200mm f/4 L USM

Canon EF 200mm f/2.8 L USM

Canon EF 600mm f/4L IS II USM 

Tamron SP 85mm F/1.8 Di VC USD

Tamron EF 150-600mm f/5-6.3 USD


EU Declaration of Conformity.pdf

CE     fcc     rohs Made in USA

 For ordering information, please contact our sales department: or call us at (937) 630-3012