Technical data sheet
Giordano® Guide Scope GIO-GS200AR – Apochromatic Guide Scope
The GIO-GS200AR is a precision apochromatic guide scope, designed to ensure stable and accurate autoguiding during astrophotography sessions. Thanks to the 3-element PAPO optical design with ED lens and corrected field, it offers pinpoint star images, high contrast, and reliable performance even for long exposures.
Advanced PAPO Optical Design
Designed to achieve perfectly defined stars and precise guiding.
- 3-element PAPO optics
- ED lens for chromatic correction
- Integrated flat field
- Pinpoint, well-defined stars
Precise and Stable Guiding
Significantly improves tracking quality.
- Accurate autoguiding
- Increased stability in imaging
- Reduced tracking errors
- Ideal for long exposures
High Optical Quality and Contrast
Built to deliver sharp and clean images.
- AR multi-coatings
- High light transmission
- Reduction of internal reflections
- High contrast
Rack & Pinion Focuser (AR)
Maximum precision and compatibility with advanced setups.
- Rack & pinion focuser
- High focusing precision
- Compatible with electronic focusers
- Support for heavier loads
Robust and Lightweight CNC Structure
Designed to withstand field use.
- CNC aluminum construction
- Lightweight and durable
- Anodized finish
- Long-lasting durability
Modular and Versatile Structure
Adaptable to different setups and uses.
- M42 and M48 threads
- Compatible with guide cameras
- Multi-accessory support
- Flexible configuration
Optical Specifications
| Diameter | 40 mm |
| Focal Length | 200 mm |
| Focal Ratio | f/5 |
Threads and Connections
| Camera Mount | M42×0.75 (T2) |
| Accessory Thread | M48 |
| Eyepiece Holder | 1.25" |
Applications
- Astrophotography autoguiding
- Star hopping
- Visual observation
- Entry-level astrophotography
- Portable setups
Main Technical Specifications
| Model | GIO-GS200AR |
| Type | PAPO Guide Scope |
| Optical Design | PAPO Triplet with ED lens |
| Focuser | Rack & Pinion (AR) |
| Sensor Compatibility | Up to 1" |
| Tube Weight | 0.68 kg |
Package Contents
- GS PAPO GIO-GS200AR
- Support rings
- Dovetail bar
- M48 extension tube
- Manual
Take advantage of free shipping throughout Italy for orders over €199.99!
Giordano® Guide Scope GIO-GS200AR – Apochromatic Guide Scope
The GIO-GS200AR is a precision apochromatic guide scope, designed to ensure stable and accurate autoguiding during astrophotography sessions. Thanks to the 3-element PAPO optical design with ED lens and corrected field, it offers pinpoint star images, high contrast, and reliable performance even for long exposures.
Advanced PAPO Optical Design
Designed to achieve perfectly defined stars and precise guiding.
- 3-element PAPO optics
- ED lens for chromatic correction
- Integrated flat field
- Pinpoint, well-defined stars
Precise and Stable Guiding
Significantly improves tracking quality.
- Accurate autoguiding
- Increased stability in imaging
- Reduced tracking errors
- Ideal for long exposures
High Optical Quality and Contrast
Built to deliver sharp and clean images.
- AR multi-coatings
- High light transmission
- Reduction of internal reflections
- High contrast
Rack & Pinion Focuser (AR)
Maximum precision and compatibility with advanced setups.
- Rack & pinion focuser
- High focusing precision
- Compatible with electronic focusers
- Support for heavier loads
Robust and Lightweight CNC Structure
Designed to withstand field use.
- CNC aluminum construction
- Lightweight and durable
- Anodized finish
- Long-lasting durability
Modular and Versatile Structure
Adaptable to different setups and uses.
- M42 and M48 threads
- Compatible with guide cameras
- Multi-accessory support
- Flexible configuration
Optical Specifications
| Diameter | 40 mm |
| Focal Length | 200 mm |
| Focal Ratio | f/5 |
Threads and Connections
| Camera Mount | M42×0.75 (T2) |
| Accessory Thread | M48 |
| Eyepiece Holder | 1.25" |
Applications
- Astrophotography autoguiding
- Star hopping
- Visual observation
- Entry-level astrophotography
- Portable setups
Main Technical Specifications
| Model | GIO-GS200AR |
| Type | PAPO Guide Scope |
| Optical Design | PAPO Triplet with ED lens |
| Focuser | Rack & Pinion (AR) |
| Sensor Compatibility | Up to 1" |
| Tube Weight | 0.68 kg |
Package Contents
- GS PAPO GIO-GS200AR
- Support rings
- Dovetail bar
- M48 extension tube
- Manual
Take advantage of free shipping throughout Italy for orders over €199.99!
SKU:GIO-GS200AR
Giordano® GIO-GS200AR – Apochromatic Guide Scope
- Regular price
- €249,99
- Sale price
- €249,99
- Regular price
-
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Giordano® Guide Scope GIO-GS200AR – Apochromatic Guide Scope
The GIO-GS200AR is a precision apochromatic guide scope, designed to ensure stable and accurate autoguiding during astrophotography sessions. Thanks to the 3-element PAPO optical design with ED lens and corrected field, it offers pinpoint star images, high contrast, and reliable performance even for long exposures.
Advanced PAPO Optical Design
Designed to achieve perfectly defined stars and precise guiding.
- 3-element PAPO optics
- ED lens for chromatic correction
- Integrated flat field
- Pinpoint, well-defined stars
Precise and Stable Guiding
Significantly improves tracking quality.
- Accurate autoguiding
- Increased stability in imaging
- Reduced tracking errors
- Ideal for long exposures
High Optical Quality and Contrast
Built to deliver sharp and clean images.
- AR multi-coatings
- High light transmission
- Reduction of internal reflections
- High contrast
Rack & Pinion Focuser (AR)
Maximum precision and compatibility with advanced setups.
- Rack & pinion focuser
- High focusing precision
- Compatible with electronic focusers
- Support for heavier loads
Robust and Lightweight CNC Structure
Designed to withstand field use.
- CNC aluminum construction
- Lightweight and durable
- Anodized finish
- Long-lasting durability
Modular and Versatile Structure
Adaptable to different setups and uses.
- M42 and M48 threads
- Compatible with guide cameras
- Multi-accessory support
- Flexible configuration
Optical Specifications
| Diameter | 40 mm |
| Focal Length | 200 mm |
| Focal Ratio | f/5 |
Threads and Connections
| Camera Mount | M42×0.75 (T2) |
| Accessory Thread | M48 |
| Eyepiece Holder | 1.25" |
Applications
- Astrophotography autoguiding
- Star hopping
- Visual observation
- Entry-level astrophotography
- Portable setups
Main Technical Specifications
| Model | GIO-GS200AR |
| Type | PAPO Guide Scope |
| Optical Design | PAPO Triplet with ED lens |
| Focuser | Rack & Pinion (AR) |
| Sensor Compatibility | Up to 1" |
| Tube Weight | 0.68 kg |
Package Contents
- GS PAPO GIO-GS200AR
- Support rings
- Dovetail bar
- M48 extension tube
- Manual
Take advantage of free shipping throughout Italy for orders over €199.99!
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Terms and conditions
Terms and conditions

