Apertura 2" Coma Corrector
Accessory

Apertura 2" Coma Corrector

highpointscientific.com/.../apertura-2-newtonian-coma-corrector-photo-visual-a-coma
TypeFocal modifier / field corrector
Users 11
Images 71
Community notes
Formerly High Point Scientific-branded, it now seems to have been re-branded as Apertura.