Search results for 'amphibious cargo 100 lt red bs 1100 03 8051827522079'
Artesky 80ED f/7 APO Refractor
US$ 488.25Artesky introduces the new line of APO ED refractors, the new 80mm doublet with 2 element objective, the first is a FCD1-B Ohara (Japan) element while the second is a Lanthanum element. It is possible to reduce it with a factor of 0.8x and bring it to a focal length of 450mm with factor F/5.6 or use it at full focal length with the 1x variable field flattener.