Author name: Olga P.

What is the difference between a Canon EF and EF-S lens?

Canon EF lenses are designed to work with full frame and APS-C DSLRs from Canon. Canon EF-S lenses have a smaller image circle that is only big enough to cover the smaller sensor found on Canon APS-C cameras. … Because EF lenses have a larger image circle, they will cover full frame sensors and APS-C […]

What is the difference between a Canon EF and EF-S lens? Read More »

What are the 3 objective lenses?

Essentially, objective lenses can be categorized in to three main categories based on their magnification power. These include: low magnification objectives (5x and 10x) intermediate magnification objectives (20x and 50x) and high magnification objectives (100x). Thereof, What is the shortest objective called? Microscope Short Answer Review A B What is the magnification of the ocular

What are the 3 objective lenses? Read More »