Starfield Adjustable 1X Flattener for 80mm-155mm Telescopes - SF-FFA-10 EAGLE 2") Diopter Adjustment Range ±

2") Diopter Adjustment Range ± 3 Twilight Factor 20

Item Number FL-N130600MAZ01 Telescope Design: Newtonian Reflector Magnification: 250x Focal Length: 600 mm focal length Focal Ratio: f/4

Ergonomically designed ClickLock® eyepiece clamps with diopter adjustment

Meade Wilderness 10x42 Binoculars - 42mm diameter

Starfield Adjustable 1X Flattener for 80mm-155mm Telescopes - SF-FFA-10 EAGLE 2") Diopter Adjustment Range ±This adjustable 1. 0X field flattener from Starfield Optics is designed to work with 70 mm to 155 mm Starfield telescopes with a 63mm (2. 5") focuser. The camera side of the flattener has 48mm threads and will accept a 2" filter. Please Note: This flattener will work with Gen II of the G115 Gear Triplet by using the 2. 5" adapter that is included with the telescope. Of course, the flattener also works with the original G115 since that version comes