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When hunting, should we choose a X Sight Scope or a fixed magnification scope? How to choose the reticle of the scope?  ...

The tragic coronavirus pandemic that is still afflicting the world has placed global attention on the value of biodiversity and the urgent need to take concrete measures to safeguard it  ...

sight scope can be used for hunting and enjoying the food that nature has given us. We can also shoot games and use it to take you to win every game. Sights can also be used in the military area, Mil-dot stadiametric to meet your needs, Of course we can also use it in home safety and pest control,  ...

Quick test of the SV503 telescope in daytime, SV503 80 ED telescope working with SV305 camera and SV105 , SV205. You need extend tube or diagonal.  ...

SV503 80 ED telescope unboxing, 2" telescope OTA with 1.25" adapter, metal hoop and dovetail, SMC band coating, SPL-51 ED glass.  ...

Test the APO and Achromatic, make sure the difference under diffraction ring, SV305 doublet is quality achromatic lens with SPL-51 ED glass.  ...

SV503 telescope is designed with single ED glass, not an APO.  ...

Use SV106 guider scope as astronomy telescope. SV106 finder could work with the eyepiece directly. also could wotk with SV105 camera. it shows clear image with barlow and diagonal.  ...

Install the Directshow Driver to your Windows computer, then SV305 camera could work with other directshow capture software.  ...

SV305 camera could work with AstroDMx capture for Linux, the long exposure time make sure it could capture the bright deep space object M42 M43.  ...