Explore Scientific Carbon Fiber 208mm F/3.9 Newtonian Solar Filter_193mm-204mm 5mm focal length is excellent

5mm focal length is excellent for zooming on objects such as the Moon

many mid-priced

globular clusters

Protection from the wind

you can regulate the heat output on multiple dew heaters at the same time

Explore Scientific Carbon Fiber 208mm F/3.9 Newtonian Solar Filter_193mm-204mm 5mm focal length is excellentCarbon Fiber 208mm F 3. 9 Newtonian The Explore Scientific Carbon Fiber Newtonian allows this larger primary mirror, with faster aperture ratio compared to the usual 8" f 4 for deeper shots with the same exposure time. The completely redesigned secondary mirror mechanism ensures easy and optimal collimation. The large 80mm secondary mirror offers optimal field illumination. This amazing scope includes a high quality 2" focuser with 10: 1 reduction;