What is the difference between DC and DG Sigma lenses?
The first acronym you’ll find on a Sigma lens is its frame size. The frame size on a lens tells you what kind of camera the lens was intended for. In SIGMA, DG denotes a lens designed for a Full Frame camera and DC tells you that the lens is for a Crop Sensor camera.
What is DC and DG?
DG – lenses compatible with full-frame sensor DSLR cameras. DC – lenses designed for for APS-C DLSR cameras. DN – lenses designed for compact system cameras.
What do all the numbers on a camera lens mean?
mm Numbers Mean Focal Length You will see a number, a slash, and another number (# / #). The second number is the focal length. A lens stamped 1.8 / 55 means that the focal length is a fixed 55mm. Prime lenses have only one focal length, while zoom lenses have a range of focal lengths.
What is the difference between art lens and contemporary lens?
So while an Art line lens of a similar focal length may perform better in a studio test or have a larger maximum aperture for more dramatic bokeh effects, a Contemporary lens has the advantage of being smaller, lighter, more affordable, and chances are it’ll be all the lens you need for almost any situation.
Is Sigma DG full-frame?
Designed to deliver the ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out the best in 35mm SLR film cameras and APS-C size DSLRs.
What is Sigma art lenses?
Sigma Art Lenses are basically fast-aperture lenses that produce unbelievably sharp images. They’re so sharp that it’s like you’re looking at the tiniest details up close, without any visual hindrances. Sigma’s Art line is divided into the following categories: Wide-angle lenses. Large-aperture lenses.
What is an HSM lens?
For those unfamiliar with the numerous lens acronyms, HSM stands for Hyper Sonic Motor, (also known as Ultrasonic motor, Silent Wave Motor or even Sonic Direct-drive Motor) and is a faster, quieter and often more compact motor system for lenses. Essentially this should mean quieter and faster focusing.
What is APO DG in Sigma lens?
Product description. Discuss in the Third Party Lens Talk forum. Sigma’s 70-300mm F4-5.6 APO DG Macro is a budget telephoto zoom lens that can be used on both APS-C and full frame cameras.
Why is it called DC?
Library of Congress, Washington, D.C. The new federal territory was named District of Columbia to honour explorer Christopher Columbus, and the new federal city was named for George Washington.
Is 240v AC or DC?
48-volt is a bit less common but is still widely applied in today’s DC voltage applications. On the other hand, in AC applications (the electricity supplied by the power company), 120-volt is the standard in U.S. and North America, while 240-volt is the standard for almost the rest of the world.