Adaptador ZWO OAG-L Prisma Grande Fuera del Eje Guía M48/M54/M68 para DOS Cámaras ASI
OAG-L is the latest iteration of M68 OAG with a larger prism size of 12x12mm. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal length photography.