Dual ED Telescope Eyepiece - 5mm Planisphere we have successfully launched the

we have successfully launched the mass production of high-performance optical glass at the apex of the FCD family

the new William Optics Pleiades 68 is a portable imaging powerhouse

Built-in Wi-Fi enabling unparallel connectivity and recordable permanent periodic error correction (PPEC) to repeat optimal PEC training sessions

soft light baffle and two radial main mirror fan for fast temperature equilibrium

your lens does not need to the Canon as long as the     bayonet type is correct so other brands such as Tamron or Sigma are compatible

Dual ED Telescope Eyepiece - 5mm Planisphere we have successfully launched theAvailable focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1. 25" eyepieces with ED elements delivery outstanding contrast and sharpness. The eyepieces combine these optical qualities with a large 60 degrees field of view for a greater immersion and observation comfort. The field of view is flat free of distorsions and the colours are extremely well corrected. All air to glass surfaces are fully