megascopic

Macroscopic.

Perceptible through unaided vision; visible without the use of a powerful magnifying instrument, or with only the assistance of a pocket-lens: used in contrast to microscopic, with reference to objects or investigations in regard to which the use of a microscope is not required.

Of or pertaining to the megascope or the projection upon a screen of images of opaque objects.

Enlarged or magnified; -- said of images or of photographic pictures, etc.

Large enough to be seen; -- said of the larger structural features and components of rocks which do not require the use of the microscope to be perceived. Opposed to microscopic.