Click to see apparent fields of view for common eyepieces: Nagler - 82°Panoptic - 68°Erfle - 60-75°Plossl - 40-55Kellner - 40-50Lanthanum - 45-50Pentax XL - 55-65Meade Super - 67Meade Ultra - 84Celestron Ultima - 36-51Orion Ultrascopic - 49-52