Celestron Ultima Edge 24 mm Flat Field 1.25" Eyepiece - 93453 Collapsible Dobsonians and in the Right Ascension

and in the Right Ascension (polar) direction

About the Baader Bright Blue 470nm Bandpass Filter Round Mounted

2 Optical Tube system designed for professional applications that require both a wide field of view and high resolution

22 arc seconds

Celestron Ultima Edge 24 mm Flat Field 1.25" Eyepiece - 93453 Collapsible Dobsonians and in the Right AscensionCelestron Ultima Edge 24 mm Flat Field 1. 25" Eyepiece 24 mm Ultra Flat Field eyepiece designed for 1. 25 focusers Celestron Ultima Edge Series optical design Incredibly crisp views from center to edge of field Fully multi coated, 8 element lens design for excellent light transmission Wide 65 Apparent Field of View (AFOV) Amazing 29 mm (1. 14") eye relief for comfort Fold down Rubber Eyeguard for comfortable viewing with or without eyeglasses Molded