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SVBONY SV165 Mini Guide Scope 30mm F4 Finder Scope for Auto Guiding Cameras

SVBONY SV165 Mini Guide Scope 30mm F4 Finder Scope for 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: 367394882

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Details

Brand
SVBONY
Model name
SV165 Mini
Optical tube length
120
Eye piece lens description
Kellner
Objective lens diameter
30 Millimeters

🔧1.25in & M42 mounts for versatile camera compatibility

🔭30mm achromatic optics for crisp clarity

⚙️45mm adjustable back focus for precise tuning

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

🔭 Elevate your night sky game with precision and clarity!

READY FOR ACTION - Includes nylon-tipped thumbscrews and dovetail with 1/4” screw hole for secure mounting and easy tripod connection.
COMPACT YET ROBUST - Lightweight 342g aluminum body with CNC metal craftsmanship offers durability and portability without compromise.
UNIVERSAL COMPATIBILITY - Designed to seamlessly integrate with SV305 Pro, ZWO, QHY, Orion, and other mainstream auto guiding cameras.
EFFORTLESS PRECISION FOCUS - 45mm back focus distance with front focuser ensures quick, accurate target acquisition during your astrophotography sessions.
CRYSTAL CLEAR VIEWS EVERY TIME - Fully multi-coated ultra-wide band lens eliminates chromatic aberrations and reflections for stunningly sharp images.

The SVBONY SV165 Mini Guide Scope is a compact, lightweight 30mm f/4 achromatic guide scope engineered for professional-grade auto guiding cameras. Featuring fully multi-coated optics, adjustable 45mm back focus, and versatile 1.25in/M42 mounts, it delivers bright, sharp images with minimal chromatic aberration. Crafted with CNC metal technology and equipped with nylon-tipped thumbscrews and a dovetail mount, it ensures durability, precision, and easy integration for astrophotographers seeking reliable star tracking and target acquisition.

Specifications

Item Package Dimensions L x W x H	8.07 x 5.98 x 2.99 inches
Package Weight	0.44 Kilograms
Item Dimensions LxWxH	2.6 x 2.24 x 1.1 inches
Item Weight	342 Grams
Brand Name	SVBONY
Warranty Description	SVBONY Warranty Policy: 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
Manufacturer	SVBONY
Part Number	FCAW9125A
Size	30mm

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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Fantastic experience overall. Will recommend to friends and family.

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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