Tag Archives :lens
Difference Between APO & Achromatic Lens Under Diffraction Ring
- Mar 20,2020
- svbony
- 0 Comments
- Telescope
Test the APO and Achromatic, make sure the difference under diffraction ring, SV305 doublet is quality achromatic lens with SPL-51 ED glass. ...
Can I Add C-lens to SV105 / SV305?
- Aug 23,2019
- svbony
- 2 Comments
- Astronomy Cameras
How to use the SV305 camera? Can I use the C-lens with SV105 camera? come and read this blog. hope helps. ...
How to clean your eyepiece?
- Mar 15,2021
- Tyson
- 0 Comments
- Eyepieces
Don’t rush to suspect that there is something wrong with your device, maybe your eyepiece just needs to be cleaned. ...