iOptron iAFS3 3" Auto Focuser with 2" Visual Back
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- Built-in temperature sensor
- Whisper quiet operation
- Powerful stepper motor
- Zero backlash
- USB connection to a computer
- ASCOM & INDI compatible
- Manual adjustment (powered or unpowered)
- Position memorizing during power off
- Compatible with most OTAs with proper adapter
iOptron iAFS™ Focuser
Introducing the most versatile inline focuser available, the iOptron iAFS™ focuser with iLock technology. Utilizing a lead worm movement is the key to the iAFS focusers patented design; this passive position locking system secures most any payload (imaging train) at the stopped position, maintaining focus even as the instrument angle is changed. The iAFS incorporates three focus modes, USB (computer control), on board directional buttons (for powered manual adjustments) and a manual focus wheel to override the motorized adjustment. Other features include a built-in temperature sensor, multiple USB-C ports, solid all metal body, fingerprint resistant exterior surface, 0.6 micron movement resolution, position limiters to prevent over runs. It comes standard with a two inch visual back, and optional telescope adapters to fit various OTAs are available.
Features
Compatibility
ASCOM, INDI, AstroBox
Integration
Drive motor at the same direction as the focusing tube moving to reduce Z-axis imbalance
Three Ways to Focus
- All Time Manual Focusing
- Power Button focusing: press and hold for fast tuning, short press for fine tuning
- Dual Type-C USB2.0 Ports: USB powered mount control, flexible connection
Internal Position Limiters
Built-in position limiters will stop focuser overrun to protect the motor and focuser. Two sets of 2xM4 threaded holes for attaching guiding scope and Astrobox
Built-in Temperature Sensor
For temperature compensation during auto-focusing
Built-in CAA
High precision CAA for easy image alignment and composition
Adjustable Camera Ring
Set screws on camera ring for angle fine adjustment between a filter wheel and focuser
Precise Focusing
Fast, repeatable and zero backlash
Specifications
- Focuser Size: 3"
- Dimensions (mm): 94 x 133 x108
- Weight: 1.06kg
- Clear Aperture: 68mm
- Maximum Payload: 6kg
- Drawtube Travel Distance: 30mm
- Focusing Resolution: 0.6um
- Power/Communication Port: Type-C USB2.0 port x2
- Drive Train: Stepper motor with belt reduction
- Automatic Focusing: Yes
- Motorized Focusing Button: Yes
- Manual Focusing: Yes (with override)
- Temperature Sensor: Yes (built-in)
- Camera Angle Adjustment: Yes
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
- 1x Focuser body
- 1x 0.25m Type-C Cable
- 1x 1m Type-C Cable
- 1x Visual Back Adapter
- Built-in temperature sensor
- Whisper quiet operation
- Powerful stepper motor
- Zero backlash
- USB connection to a computer
- ASCOM & INDI compatible
- Manual adjustment (powered or unpowered)
- Position memorizing during power off
- Compatible with most OTAs with proper adapter
iOptron iAFS™ Focuser
Introducing the most versatile inline focuser available, the iOptron iAFS™ focuser with iLock technology. Utilizing a lead worm movement is the key to the iAFS focusers patented design; this passive position locking system secures most any payload (imaging train) at the stopped position, maintaining focus even as the instrument angle is changed. The iAFS incorporates three focus modes, USB (computer control), on board directional buttons (for powered manual adjustments) and a manual focus wheel to override the motorized adjustment. Other features include a built-in temperature sensor, multiple USB-C ports, solid all metal body, fingerprint resistant exterior surface, 0.6 micron movement resolution, position limiters to prevent over runs. It comes standard with a two inch visual back, and optional telescope adapters to fit various OTAs are available.
Features
Compatibility
ASCOM, INDI, AstroBox
Integration
Drive motor at the same direction as the focusing tube moving to reduce Z-axis imbalance
Three Ways to Focus
- All Time Manual Focusing
- Power Button focusing: press and hold for fast tuning, short press for fine tuning
- Dual Type-C USB2.0 Ports: USB powered mount control, flexible connection
Internal Position Limiters
Built-in position limiters will stop focuser overrun to protect the motor and focuser. Two sets of 2xM4 threaded holes for attaching guiding scope and Astrobox
Built-in Temperature Sensor
For temperature compensation during auto-focusing
Built-in CAA
High precision CAA for easy image alignment and composition
Adjustable Camera Ring
Set screws on camera ring for angle fine adjustment between a filter wheel and focuser
Precise Focusing
Fast, repeatable and zero backlash
Specifications
- Focuser Size: 3"
- Dimensions (mm): 94 x 133 x108
- Weight: 1.06kg
- Clear Aperture: 68mm
- Maximum Payload: 6kg
- Drawtube Travel Distance: 30mm
- Focusing Resolution: 0.6um
- Power/Communication Port: Type-C USB2.0 port x2
- Drive Train: Stepper motor with belt reduction
- Automatic Focusing: Yes
- Motorized Focusing Button: Yes
- Manual Focusing: Yes (with override)
- Temperature Sensor: Yes (built-in)
- Camera Angle Adjustment: Yes
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
- 1x Focuser body
- 1x 0.25m Type-C Cable
- 1x 1m Type-C Cable
- 1x Visual Back Adapter
iOptron iAFS3 3" Auto Focuser with 2" Visual Back # FA30