Tag Archives :lens
SVBONY 2 Piece Binoculars Protective Rubber Objective Lens Caps
- May 25,2022
- Tyson
- 0 Comments
- Optics Accessories
The objective lens cover with lens protection function can prevent dust, rain, fog, dirt and other functions.It's light and easy to use. ...
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
- 4 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. ...
Svbony SV137 x2 barlow lens Review
- Jul 09,2022
- Robert Ferrero
- 0 Comments
- Optics Accessories
In visual observation, Sv137 Barlow performs quite well, and it can provide good details. ...
BAK4 or BK7 Prism Lenses? -- A Guide for Optics Enthusiasts
- Oct 14,2023
- Sara
- 0 Comments
- Review
In the world of optics, the choice between BAK4 and BK7 prism lenses comes down to a balance between optical quality, budget, and intended use. Both materials have their advantages and are suitable for various applications. Understanding these differences allows users to make an informed decision when selecting the right prism lens material for their specific needs. ...
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. ...