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This large-aperture telescope is an upgrade based on the SV550 80mm. If you put the two together, you will be very surprised!  ...

Why did we still choose the lens structure of the FPL-51 Triplet? We can discuss it together.  ...

We will redefine testers in a new way and hope we can cooperate with users who are interested in our products better in the future. If you are interested in it, please see our introduction.  ...

Extra long 300mm dovetail give you enough space to creatively mix and match your equipment mounting. Matching accessories will be released simultaneously.  ...

Why can't I choose the shipping method, When I try to buy SV550 with other accessories？  ...

some testing news about SV605MC  ...

TGIF -- Will it mean what you imagine？  ...

MK105-How does it perform? Or maybe you're interested in it now, but still concerned about its quality, yes, it has had some negative reviews, but most of the issues have been clarified and resolved. We've rounded up some of the recent feedback about it, and let's see what they said.  ...

Our summary of April Global Astronomy Month. That's a wonderful month!  ...

SV605MC is designed with a diagonal 15.968mm （Type 1）CMOS sensor with a mono square pixel array and 3.76μm x 3.76μm per pixel. The sensor incorporates a 14-bit A/D converter, the 14-bit digital output makes it possible to read out the signals of 9.07M effective pixels at a high speed of 20 FPS. Read-out noise is as low as 1.0e which makes sure the highly suitable for high definition, low noise deep space objects imaging.  ...