SV550 122MM Triplet APO Full Reviews
The article provides a detailed review of the SV550 122mm FPL-51 triplet APO telescope and compares its performance with that of high-end FPL-51 doublet telescopes. Read More
The article provides a detailed review of the SV550 122mm FPL-51 triplet APO telescope and compares its performance with that of high-end FPL-51 doublet telescopes. Read More
The three piece APO compound achromatic objective lens structure is adopted to significantly improve the image quality of the captured image. (increased by 15.8% according to the calculation of the spectrometer.) Read More