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SVBONY SV165 Mini Guide Scope 30mm F4 Finder Scope for SV305 Pro ZWO QHY Orion Auto Guiding Cameras

SVBONY SV165 Mini Guide Scope 30mm F4 Finder Scope for SV305 Pro ZWO QHY Orion Auto Guiding Cameras

Q: What would be the ATO max focal length that you would use this guide scope with?

I don’t know what “ATO” is, but I like to have my guide scope about half of the focal length and half of the objective size of my main scope. This “rule” has worked pretty good for me. So, this guide scope is 120mm focal length, which means you’ll be good at least up to 250 mm,( which is the size scope I use this guide scope with), and probably a little bigger. You also have to take into consideration your pixel scale, which is another lengthy subject all together.

Q: I need to know the specification for the objective lens to the focal plane (true backfocus). The 45mm cited is is focus travel, not backfocus.

Dear customer , Thanks for your contact. the objective lens to the focal plane is about 26mm. For accessories;we provide 2 months warranty;within 2 months;you can return for refund or replacement.If you have any other questions about warranty;please contact us freely;we will work with you win to win. If my reply still doesn't answer your question well or you want to know more details about this product,could you please contact us by message on Amazon? Because the customer's message can be seen in the first time on Amazon, and will solve the problem as soon as possible. Once I receive your response, I will try my best to answer your questions. Sincerely look forward to your reply. Best wishes ! Kelly

Q: Why is the video showing an ota on a 20 dslr tripod?!?

Dear customer , Thanks for your contact. It could be connected to the SV503 telescope as a guide mirror. In addition, SV165 could be directly connected to a UNC 1/4-20 tripod and used directly as a small telescope. For accessories;we provide 2 months warranty;within 2 months;you can return for refund or replacement.If you have any other questions about warranty;please contact us freely;we will work with you win to win. If my reply still doesn't answer your question well or you want to know more details about this product,please contact us by message on Amazon. Because the customer's message can be seen in the first time on Amazon, and will solve the problem as soon as possible. Once I receive your response, I will try my best to answer your questions. Sincerely look forward to your reply. Best wishes ! Kelly

Q: I'mlooking for recommendations for mounting to my ota w 90mm outer diameter...any ideas?

Dear customer , Thanks for your contact. You can search for B072BWKC5T at the Amazon front desk. For accessories;we provide 2 months warranty;within 2 months;you can return for refund or replacement.If you have any other questions about warranty;please contact us freely;we will work with you win to win. If my reply still doesn't answer your question well or you want to know more details about this product,could you please contact us by message on Amazon? Because the customer's message can be seen in the first time on Amazon, and will solve the problem as soon as possible. Once I receive your response, I will try my best to answer your questions. Sincerely look forward to your reply. Best wishes ! Kelly

4.6/5

Product ID: 249947688

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Details

Brand
SVBONY
Model Name
SV165 Mini
Optical Tube Length
45 Millimeters
Objective Lens Diameter
30 Millimeters
Telescope Mount Description
Fixed Mount

🔩1.25in & M42 mount compatibility

🔭30mm aperture ultra-wide FOV

⚙️45mm adjustable back focus

Frequently Bought Together

SVBONY SV165 Mini Guide Scope 30mm F4 Finder for SV305 Pro Compatible with ZWO QHY Orion Auto Guiding Cameras

SVBONY Universal Dovetail Base, Finderscope Mount Bracket, for Installation of Finder Scope for Optical Telescope

ZWO ASI120MM-Mini 1.2MP Monochrome Astronomy Camera, Compact, 1280x960 CMOS Sensor, USB2.0 Type-C, ST4 Port, Black

Description

🔭 Guide your night sky journey with pinpoint precision and style!

COMPACT POWERHOUSE - Lightweight 342g aluminum body with CNC craftsmanship combines portability with premium build quality.
PRECISION FOCUS CONTROL - 45mm back focus travel ensures quick, accurate focusing to lock onto guide stars with ease.
SEAMLESS CAMERA INTEGRATION - Designed to perfectly fit SV305 Pro, ZWO, QHY, and Orion auto guiding cameras for effortless setup.
CRYSTAL CLEAR VIEWS EVERY TIME - Fully multi-coated optics eliminate chromatic aberration for sharp, vibrant star images.
DURABLE SCRATCH FREE MOUNTING - Nylon-tipped thumbscrews protect your scope tube while allowing flexible positioning.

The SVBONY SV165 Mini Guide Scope is a compact, 30mm aperture, f/4 achromatic guide scope optimized for auto guiding cameras like SV305 Pro, ZWO, QHY, and Orion. Featuring fully multi-coated optics, a 45mm adjustable back focus, and versatile 1.25in/M42 mounts, it delivers bright, sharp images with minimal chromatic aberration. Its lightweight CNC-machined aluminum body and nylon-tipped thumbscrews ensure durable, scratch-free mounting, making it an essential tool for astrophotographers seeking reliable, portable guiding performance.

Specifications

Brand	SVBONY
Manufacturer	SVBONY
Model	FCAW9125A
Product Dimensions	6.6 x 5.7 x 2.8 cm; 342 Grams
Item model number	FCAW9125A
Power Source	Adapter
Batteries Included	No
Batteries Required	No
Does it contain liquid?	No
Manufacturer	SVBONY
Item Weight	342 g

Have a Question? See What Others Asked

What would be the ATO max focal length that you would use this guide scope with?

I need to know the specification for the objective lens to the focal plane (true backfocus). The 45mm cited is is focus travel, not backfocus.

Why is the video showing an ota on a 20 dslr tripod?!?

I'mlooking for recommendations for mounting to my ota w 90mm outer diameter...any ideas?

Common Questions

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