Dale Leckie: Scenic Geology of Alberta Brand_Taschen Gapless double-layer Diffractive Optics (DO)

Gapless double-layer Diffractive Optics (DO) reduce Chromatic Aberration for High Image Quality

the lens has a MOD (Minimum Object Distance) of 0

most recently from McGill and Simon Fraser Universities

With the levers retracted and folded for transport

Dale Leckie: Scenic Geology of Alberta Brand_Taschen Gapless double-layer Diffractive Optics (DO)Here's a roadside touring and hiking guide on the geological natural history of the prairies and mountains of Alberta, written for the travelling general public. Leckie tells the intriguing story of Albertas landscape evolution from Waterton Lakes National Park, to Dinosaur Provincial Park, into the Prairies, and across the northern part of the province. He takes you to explore volcanoes and glaciations long past. This insiders guide includes stops