The Canon EF mount Rokinon 35mm f/1.4 AS UMC Lens is a prime standard wide-angle lens designed for both full-frame and APS-C sized sensors; when used with an APS-C sensor the 35mm-equivalent focal length is 56mm. It is well-suited to working in a variety of situations ranging from landscape to portraiture.
Also, What does ex mean camera lens?
EX lens: Sigma’s professional-grade prime lenses and wide-aperture zoom lenses that maintain their maximum f-stop regardless of zoom position. OS: Optical stabiliser.
Beside above What is HSM Sigma? 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. …
What does DN mean Sigma?
DC DN in sigma lenses is meaning for “DC – lenses” designed for APS-C DLSR cameras. “DN – lenses” designed for compact system cameras. Basically “Sigma” is mainly known as a third-party “lens” manufacturer, producing “lenses” in mounts compatible with the major brands: Canon, Nikon, Pentax, Sony, Olympus.
What is the difference between USM and HSM?
HSM and USM are the same thing. One manufacturer calls it one thing and one calles it another. Sigma calls thiers OS. HSM and USM are the same thing.
What does Sigma EX mean?
EX – Professional Prime Lens. These are the high-end lenses that were first employed, yet, now have been replaced. They are similar to Canon’s ‘L’ series. FLD – Fluorite, Low Dispersion. Low dispersion glass elements reduce chromatic aberrations, and currently the best available.
How do I know if my Sigma lens is full-frame?
SIGMA DG DN lenses are available in Sony E-Mount and for L-Mount cameras from SIGMA, Leica and Panasonic. In SIGMA lens naming, “DG” indicates full–frame sensor coverage, and “DN” indicates that the lens is designed specifically and exclusively for mirrorless cameras systems.
What does Sigma EX mean?
EX – Sigma’s high-end lenses of old (manufacturer’s equivalent to Canon L and Nikon gold ring series), you can still find a few new and used optics with such designation. Sigma has dropped it for its new lenses, however, so we won’t be seeing any recent products that would belong to the EX lineup.
What does DG mean?
Dei gratia (Latin: “By the grace of God”), abbreviated D.G. Dangerous goods. Differential geometry. Director-general. Directorate-General, a type of specialised administrative body in the European Union.
What is Sigma APO?
A: Sigma’s APO designation means it’s a apochromatic lens that uses low dispersion glass to minimize chromatic aberration. The DG designation signifies that it is a Full Frame lens.
What does DC HSM mean?
The Sigma 30mm f/1.4 EX DC HSM is a wide-aperture photographic lens made by the Sigma Corporation, equipped with Hyper Sonic Motor (abbreviated HSM, Sigma’s trade name for photo lens focusing technology using ultrasonic motor).
What is HSM Canon?
Distinguished by a uniquely fast and versatile design, the Canon EF-mount Sigma 18-35mm f/1.8 DC HSM is an Art-series zoom, covering wide-angle to normal focal lengths. … Wide-to-normal zoom is designed for APS-C-format Canon EF-mount cameras and provides a 28.8-56mm equivalent focal length range.
What does Canon EFS stand for?
EF-S is stands for ‘short back focus‘. EF-S lenses were first developed in 2003, when Canon bought out its EOS 300D/Digital Rebel/Kiss range of digital SLR cameras.
What does STM stand for Canon?
STM stands for Stepper Motor.
In June 2012 Canon introduced a new lens motor design to address the issue of lens noise when shooting movies with an EOS DSLR camera. Called a Stepper Motor, it converts digital pulses into mechanical rotation.
What’s a Sigma lens?
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.
Does a Sigma lens fit on Nikon?
Sigma offers high quality lenses that offer some sizes of lenses not available from Nikon. Many of Sigma’s EX range of professional quality lenses compare favorably against lenses from other manufacturers. … These lenses are compatible with a Nikon SLR mount and fit most Nikon SLRs and DSLRs.
How do I know if my Sigma lens is full frame?
SIGMA DG DN lenses are available in Sony E-Mount and for L-Mount cameras from SIGMA, Leica and Panasonic. In SIGMA lens naming, “DG” indicates full–frame sensor coverage, and “DN” indicates that the lens is designed specifically and exclusively for mirrorless cameras systems.
What is CA in photography?
In optics, chromatic aberration (CA), also called chromatic distortion and spherochromatism, is a failure of a lens to focus all colors to the same point. … Chromatic aberration manifests itself as “fringes” of color along boundaries that separate dark and bright parts of the image.
What does DG mean on tinder?
Technology, IT etc (14) DG — Dirty Girl.
What does DG logo mean?
Dolce & Gabbana DG logo pebbled leather belt.
What does APO mean for lenses?
An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses.
What does Tamron Di mean?
A Tamron “Di” (Digitally Integrated) lens is a lens optimized for digital cameras including those with 36x24mm ‘full frame’ sensors. A Tamron “Di II” (Digitally Integrated II) lens is a lens optimized for digital cameras with an APS-C sized sensor.
What does a DC lens mean?
“DC” stands for Defocus Control. DC allows the photographer to change the distortion characteristics of the lens so the “look” of the out-of-focus elements in the foreground or background can be changed to produce more pleasing photos, particularly portraits.
What does APO mean in Sigma lenses?
A: Sigma’s APO designation means it’s a apochromatic lens that uses low dispersion glass to minimize chromatic aberration. The DG designation signifies that it is a Full Frame lens.
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