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ASTROMECHANICS
ASCOM Canon Lens Controller
Canon EF/EF-S compatible solution for external iris & focus drive. Tamron, Samyang & Sigma lenses are also supported.
You can use this device with ASCOM platform based tools (Maxim DL, Focus Max, etc.) or with a simple desktop utilty. All cameras with M42/M54 thread interface are supported. Custom design is also possible.
HOW IT WORKS
1. Canon EF/EF-S lens or another compatible lens
2. 1/4” mounting adapter (custom design possible)
3. APS-C M42x0.75  ASCOM Lens Adapter
4. Unmounted 36x2 filter
5. M39x0.75 lock ring
6. Full Frame M54x0.75 ASCOM Lens Adapter
7. Unmounted 50x3 filter
8. M52x0.75 lock ring
9. CMOS/CCD camera
Assembly Diagram
Both versions (M42 & M54 ) are presented
DEFAULT PACKAGE
APS-C M42x0.75
ASCOM Lens Adapter
Full Frame M54x0.75
ASCOM Lens Adapter
for 36x24 mm camera
OR
1/4" mounting adapter
ASCOM Lens Controller
Socket head screw (x2)
Lock ring
Lock ring removal tool
ASCOM Lens Adapter pinout *
ASCOM Lens Adapter connection
VBAT
PGND
VDD
DCL
DLC
LCLK
DGND
VBAT - AFD USM, EMD drive power supply
PGND - VBAT ground
VDD - power supply for IC
DCL - data from camera to lens
DLC - data from lens to camera
LCLK - data transfer clock
DGND - VDD ground
ASCOM Lens Adapter
Computer with appropriate focusing software (MaximDL, FocusMax, etc.)
DC 5V power supply
ASCOM Lens Controller
* This pinout is suitable for both types of lens adapters (M42 & M54)
CONNECTION DIAGRAM
ASCOM Lens Controller
Contains all electronic parts required to control the lens;

USB-mini data input port to connect to your personal computer;

DC 5V power supply input for large current
consumption lenses;

Rigid metal body (black anodized aluminum);

Four 3-mm holes for mounting on any surface;

POWER and SIGNAL LEDs.
SOFTWARE USAGE
You can use this device with ASCOM platform based tools or with a simple desktop utilty. Take full advantage of autofocus algorithms. Canon lenses are supported by default, but you can add and describe another lens compatible with Canon EOS protocol.

User level software communicates with ASCOM Lens Controller via a simple commands transfer protocol. Commands transmit as a specially formed text units. You can use this protocol autonomously or embed it in your own software products. You can use a development environment that allows to interact with COM ports.
MECHANICAL DIMENSIONS
APS-C M42x0.75 ASCOM Lens Adapter
Compatible with
QHY174/178/224/290 or another camera with a similar front focal length
(
ZWO, Starlight Express, SBIG, FLI and others).
Full Frame M54x0.75 ASCOM Lens Adapter
Compatible with
QHY165/168/247/367 or another camera with a similar front focal length
(
ZWO, Starlight Express, SBIG, FLI and others).
Filter: 36x2
Lock ring: M39x0.75
Focal
Plane
Camera
Filter: 50x3
Lock ring: M52x0.75
Focal
Plane
Camera
* Adapter thickness can be changed according to your requirements. Don't forget to describe all technical details when ordering.
YOU CAN DOWNLOAD
Ready to buy?
ASCOM Canon Lens Controller
Simple solution for Canon EF/EF-S focus & iris drive.
The device is shipped in a safe metal box.
For ordering information, please contact us via Skype or e-mail.
From
185$
Depends on the adapter type selected
+ Shipping (25$)