Happy New Year to all!! SV406P is our good optical performance spotting scopes with ED glass.  There are some questions about SV406P 80mm from our customers. I hope these questions can give a reference to SV406P. If you also have some questions about SV406P, please contact us. I will keep updating this article about the question of SV406P. 

Q: Can SV406P80mm fits with Barlows?

A: SV406P can not work with Barlow directly. But remove the tube of Barlow, it will work. The SV406P has a perfect design, so it can provide an excellent image without other accessories. Here are some eyepieces that can match with this scope: SV154, sv190, 68-degree eyepiece, most of the 1.25ich eyepiece can be matched with it.

Q: What is the exact dimension of the package and the weight of SV406P?

A: The exact dimensions of the package are 465*230*170mm, and the weight is 2.466kg.

Q: What ED glass degree of the SV406P?

A: The SV406P ED glass degree: FK61/S-FPL51, which will provide good optical performance.

Q: What is the focal length of SV406P?

A: The Focal length of SV406P is 430mm.

Q: I would like to know if it is possible to mount filters in front of the scope and what diameter and thread they must be?

A: SV406P could work with the 1.25-inch size of the filter. But if you want to observe the sky, I recommend you use our astronomy telescope.

Thanks for your watching.