Thirty months with Samyang 135 f/2
It's been well over two years since I got into my hands Samyang 135 f/2 glass and use it as my primary astrophotography lens. Since that time I…
Samyang 135 f/2 ED UMC for fast widefields
I have already read much good about Samyang 135 f/2 lens before I decided to purchase one. Its main purpose in my field will be wide-field…