ZWO 30mm f/4 Mini Guide Scope
- Guide Scope
- Compatible with all ASI Cameras
- Optical Design: Doublet
- Aperture: 30 mm (1.18")
- Focal Ratio: f/4
- Focal Length: 120 mm
- Camera/Eyepiece Connection: M42x0.75
- Back Focus: Adjustable, 0 to 20 mm
ZWO 30mm f/4 Mini Guide Scope
This 30 mm (1.18-inch) aperture ZWO Guide Scope is compatible with all ASI cameras.
Guide Scope
Attached to your ASI astroimaging camera and a computerized mount controller, you will be able to guide your telescope to your desired area of the sky and lock it onto a specific star to hold your images stable.
Doublet
The optical lens in made of two simple lenses paired together to bring your images to focus and reduce chromatic aberrations.
Dimensions
The aperture of this mini guide scope is only 30 mm (1.18-inches), the focal length is 120 mm, making this a fast focal ratio of f/4. The tube can travel 20 mm, and the back focus is also adjustable from 0 to 20 mm. The overall tube length is 122.5 mm, with the final 3.5 mm being the length from where the camera connection threads begin. The inside diameter of the tube is 30.5 mm. The outside diameter is 44 mm. Your camera connection will be M42*0.75.
Total weight including the guider ring and dovetail: 250 g (0.55 lb)
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SPECIFICATIONS
| Accessory Type | Guidescope |
|---|---|
| Aperture | 30 mm (1.18") |
| Back Focus | 0 to 20mm |
| Camera/Eyepiece Connection | M42x0.75 |
| Dawes Limit | 3.87 arcseconds |
| Focal Length | 120 mm |
| Focal Ratio | f/4 |
| Free Shipping | Yes |
| Hightest Magnification | 60x |
| Light Gathering Power | 18x |
| Limiting Magnitude | 11.1 |
| Manufacturer | ZWO |
| Optical Design | Doublet |
| Tube Diameter | 44mm |
| Tube Length | 122.5mm |
| Weight | 0.55 lb (250 g) |
INCLUDED ITEMS
- 30 mm Mini Guide Scope
- Dovetail with mounting ring (1/4-inch screw hole)
Customer Reviews
- Reviews
- Questions
ZWO F4 miniguide scope
Excellent Very light Great for autoguiding I use it for Sharpcap polar alignment, which is a great quick way to get polar alignment in under 10 min.
good guide scope
works well w/ zwo 120 camera. small and light as it can be worked on my at6rc and mount combo. I like the zwo products.
Zwo f/4 miniguide scope
Very light, plenty sensitive; I use it for polar alignment in Sharpcap with no problems