What is the difference between Sigma DG and DC?
The designation DG indicates that the lens has been optimised for digital SLRs but is equally compatible with film SLR cameras. DC lenses are designed specifically for digital SLRs with the small, APS-C size image sensor. …
What is Sigma DC lens?
Sigma DC lens: DC lenses have an image circle that covers APS-C size image sensors, therefore they are not for use on digital cameras having image sensors larger than APS-C size or on 35 mm or APS film cameras, as vignetting will occur.
What is HSM Sigma lenses?
The Hyper Sonic Motor (HSM) is an original SIGMA development that uses ultrasonic waves to drive the autofocus mechanism. Its extremely quiet operation helps avoid disturbing photographic subjects. High torque and speed assure rapid autofocus response. SIGMA uses two types of HSM: ring HSM and micro HSM.
Can a sigma DG lens be used with an APO?
This lens can be used with the APO Teleconverter EX. It can increase the focal length and will interface with the camera’s AE (automatic exposure) function. 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 DLSRs.
What does Apo mean on a Sigma 70-300mm?
Sigma makes several different 70-300mm lenses – here the APO designation means premium optics, and Macro means relatively close focusing, but this model doesn’t offer image stabilisation. Image stab.
What kind of macro lens does Sigma use?
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.
What does Apo stand for in a lens?
There are two versions of this lens, with and without the APO designation; APO signifies that more than one super-low dispersion lens element has been used, and is said to reduce the effects of chromatic aberration.