Just looked at the OPT price. Looks like they used the extra degree of freedom to reduce cost which is a perfectly good compromise to make. An affordable refractor with that large an aperture is a good deal!
Quote:
Originally Posted by FlashDrive
Yes.....colour correction and a ' flatter ' field......
see pic's ....also a 5.5" inch APO would be a heck of a lot more $$$$ than this Achromat Scope.
Primarily...this Scope will be for visual use only....very nice wide field flat views with good colour correction.
Col...
|