Sigma Art 28-45mm f/1.8 DG DN
A abertura f/1.8 constante em toda a faixa zoom de 28-45mm, combinada com 5 lentes ED e motor linear HLA, proporciona nitidez de lente prime e foco rápido. O diafragma de 11 lâminas produz bokeh suave, enquanto os 450g de peso e a vedação contra intempéries reforçam a portabilidade e durabilidade. Ideal para fotógrafos de retrato e profissionais de eventos que precisam de uma única lente versátil com desfoque excepcional.
Sobre este Lens
About Sigma 28-45MM F/1.8 DG DN ART SIGMA 28-45mm F1.8 DG DN Art full-frame zoom lens - a fast, portable and versatile large aperture zoom lens with the sharpness and and clarity of a prime lens. The Sigma 28-45mm f1.8 DG DN Art Lens allows users to move with a lot of creative freedom and flexibility. This artistic lens captures stunning photos and videos for various situations and settings, making it especially appealing for Sony E-Mount and L-Mount havers. World’s First Full-Frame, F1.8 Zoom LensThe 28-45mm F1.8 DG DN Art Lens from Sigma is the first to offer a really wide aperture of F1.8 across its entire zoom range. Such a wide aperture lens means it allows more light to go inward, guaranteeing any user a great photo even in bad lighting.
18 Elements in 15 GroupsInside the lens are different types of glass elements arranged in special groups. It has 5 Special Low Dispersion glass elements and 3 aspherical elements which banish chromatic aberrations and optical distortions respectively.
High Speed AF + HLAWith lightning speed, this lens can quickly and accurately focus on your desired subject. Capturing sports or wild animals has never been easier! Additionally, the lens’s built-in High-Response Linear Actuator helps the 28-45mm F1.8 Art Lens do its thing smoothly and quietly, particularly useful when you don’t want to hear it move around while filming.
Practical Build and Premium WeightUnlike other zoom lenses that change length when you zoom in or out, this lens stays the same all throughout. Such a detail makes the lens easier to handle and less likely to lose focus. Even with its high-quality parts and build, it’s not too heavy. In fact, it weighs less than one kilogram!
Aperture Ring with Click Switch and Ring Lock SwitchThe Sigma 28-45mm F1.8 Art Lens offers both a click switch and a ring lock switch which gives photographers more control and confidence in adjusting exposure settings.
Where innovation meets precision, the SIGMA 28-45mm F1.8 DG DN | Art Lens stands as the world's first full-frame zoom lens with a constant maximum aperture of F1.8. This groundbreaking lens delivers exceptional sharpness and clarity, rivaling that of prime lenses, and is a testament to SIGMA's pioneering spirit in crafting unique, large-aperture zoom lenses. Building on the legacy of the SIGMA 18-35mm F1.8 DC HSM | Art and the SIGMA 24-35mm F2 DG HSM | Art, this lens is a versatile addition to the Art lineup, offering photographers and filmmakers unparalleled creative possibilities.Designed for full-frame cameras, the SIGMA 28-45mm F1.8 DG DN | Art lens features an inner zoom mechanism that maintains a constant lens length, enhancing stability and ease of use whether shooting handheld or mounted on a tripod or gimbal. With a minimum focusing distance of 30cm across the entire zoom range and a maximum magnification ratio of 1:4 at the telephoto end, this lens excels in close-up shooting, allowing for precise focus in confined spaces without compromising image sharpness.Despite its advanced capabilities, the lens is remarkably lightweight, weighing less than 1kg. This makes it an ideal choice for photographers and videographers seeking portability without sacrificing performance. The lens also accommodates a versatile filter size of Dia. 82mm, ensuring convenience in various shooting scenarios.Optically, the SIGMA 28-45mm F1.8 DG DN | Art lens is engineered to deliver superior performance. It incorporates 5 SLD elements and 3 aspherical elements to rigorously correct aberrations, including axial chromatic aberration, ensuring clear images with minimal coloration. The lens's advanced coatings, including SIGMA's Nano Porous Coating and Super Multi-Layer Coating, effectively minimize flare and ghosting, providing high-contrast, richly saturated images even in challenging lighting conditions.For filmmakers, the lens offers suppressed focus breathing, allowing for natural focus pulls during video recording. The high-speed AF system, driven by an HLA (High-response Linear Actuator), ensures fast and precise focusing with near-silent operation, making it ideal for video work. The lens also features a bi-wire driven focus ring for smooth manual focusing and an adjustable rotation angle, enhancing both photographic and cinematic applications.Additional features such as a de-clickable aperture ring, aperture ring lock switch, and two customizable AFL buttons provide photographers with versatile control over their shooting experience. Built to withstand the elements, the lens boasts a dust- and splash-resistant construction, with a water- and oil-repellent coating on the front element, ensuring reliability in harsh outdoor environments.Completing the package is a locking petal-type hood, designed to shield the lens from stray light and enhance image quality, which can be reversed for compact storage. The SIGMA 28-45mm F1.8 DG DN | Art lens is a remarkable tool that redefines the boundaries of zoom lens performance, offering unmatched versatility and optical excellence for both stills and video.Sigma 28-45MM F/1.8 DG DN ART FeaturesLens construction: 18 elements in 15 groups (5 SLD, 3 aspherical elements)Inner zoomInner focus systemHigh-speed AFHLA (High-response Linear Actuator)Compatible with Lens Aberration CorrectionSupports DMF and AF+MFCompatible with AF assist (for Sony E-mount only)Nano Porous CoatingSuper Multi-Layer CoatingWater- and Oil-Repellent Coating (front element)Aperture ringAperture ring click switchAperture ring lock switchAFL button (2 locations)Focus Mode switchSupport for switching between linear and non-linear focus ring settings (for L-mount only)Dust- and Splash-Resistant StructurePetal-type hood with lock LH878-06Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)Designed to minimize flare and ghostingEvery single lens undergoes SIGMA's proprietary MTF measuring system11-blade rounded diaphragmHigh-precision, durable brass bayonet mountMount Conversion Service availableMade in Aizu, Japan' craftsmanshipWarranty InformationThis product has a limited warranty of 48 months.https://www.sigmaphoto.com/register800-896-6858CompatibilitySee Full Compatibility ListDesigned for use with: Leica SL, Leica SL2, Panasonic S1, Panasonic S1H and 9 more .Join VIP PROEarn 2X Points + Exclusive Perks!Sell or Trade your GearGet started in 3 easy stepsKey FeaturesFull Frame coverage with bright f/1.8 to f/16 aperture rangeSuperfast wide-to-normal zoom for versatile shooting rangeHLA autofocus for fast quiet focusing performance11.9" closest focus distance for close creative shotsAperture ring with click and lock switches for controlPremium optics with SLD and aspherical elements for sharp image qualityWhat's in the box:Sigma 28-45mm f/1.8 DG DN ART LensCaseLens Hood (LH878-06)Front Cap (LCF-82 III)Rear Cap (LCR II)Sigma 4 Year Limited Warranty
- INCLUDED - Sigma 28-45mm f/1.8 DG DN ART Lens, case, hood, front & rear caps, 4-year warranty, 82mm filter kit, lens wrap, cleaning kit, lens cap tether, and cleaning cloth.
- SUPERIOR IMAGE QUALITY - Achieve exceptional clarity and sharpness across the entire zoom range with advanced optics and aspherical elements, delivering stunning detail in every shot.
- VERSATILE FOCAL LENGTH - The 28-45mm range offers flexibility for various shooting scenarios, from wide-angle landscapes to intimate portraits, making it an ideal all-in-one lens solution.
- BEAUTIFUL BOKEH - Create stunning background blur with the wide f/1.8 aperture and rounded 11-blade diaphragm, perfect for isolating subjects and achieving a professional look.
The 30-Second Version
Sigma just made the zoom lens meet the f/1.8 prime standard, and it's stupidly sharp. The 1.6x range will pinch when you can't zoom with your feet, but what you get is worth the squeeze.
Overview
This thing is a bit of a unicorn. Sigma packed a constant f/1.8 aperture into a wide-to-normal zoom, and it actually works. The 28-45mm range covers your most-used focal lengths, and the image quality is so good you'll forget you're not shooting with a fixed prime. If you've ever wished you could stop swapping lenses in dim light, this lens is your answer.
Performance
We expected it to be sharp, but not 'humbled our entire prime collection' sharp. Even at f/1.8, it resolves detail like a much more expensive optic. In our database it lands in the 98th percentile for optical performance, putting it ahead of most zooms and plenty of primes. Autofocus is just as impressive: the linear motor is silent, fast, and locks onto eyes with zero drama. The only surprise was how much we missed even a little extra reach once we started shooting, but that's the trade-off.
Pros & Cons
Pros
- World's first constant f/1.8 full-frame zoom, period 98th
- Prime-level sharpness wide open at every focal length 98th
- Near-silent, sticky autofocus you can count on 94th
- Internal zoom housing keeps it gimbal-friendly 90th
Cons
- Zoom range is extremely limited at just 1.6x 34th
- No optical stabilization for cameras without IBIS
- Bulky front element demands pricey 82mm filters
- Expensive if you're not married to the f/1.8 idea
The Word on the Street
Specifications
Full Specifications
Optics
| Type | zoom |
| Focal Length Min | 28 |
| Focal Length Max | 45 |
| Elements | 18 |
| Groups | 15 |
| Aspherical Elements | 3 |
| ED Elements | 5 |
| Coating | Nano Porous Coating, Super Multi-Layer Coating, Water- and Oil-Repellent Coating |
Aperture
| Max Aperture | 1.8 |
| Min Aperture | 1.8 |
| Constant | Yes |
| Diaphragm Blades | 11 |
Build
| Mount | L-Mount |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.5 kg / 1.0 lbs |
| Filter Thread | 82 |
AF & Stabilization
| AF Type | Linear motor |
| Stabilization | No |
Focus
| Min Focus Distance | 300 |
| Max Magnification | 1:4 |
Value & Pricing
At $1,299 this lens is aggressively priced for what it does. If you were going to buy a fast 28mm, 35mm, and 45mm prime, this zoom undercuts that combo and adds convenience. The best deal we spotted is at Newegg, which throws in a filter kit and cleaning bundle for the same $1,299. Just don't click the $203,544 listing we saw on one site; that's either a typo or a shipping tube made of gold.
vs Competition
The closest rival is the Tamron 28-75mm f/2.8 G2, which trades a full stop of light and some sharpness for more than double the zoom range and a lower price tag. That's the smarter buy for most people. If you're after an ultrawide, Nikon's Z 14-24mm f/2.8 is spectacular, but it can't replace a 35mm or 45mm portrait lens. The Sigma is its own category: it's for shooters who live at f/1.8 and don't mind giving up reach.
| Spec | Sigma Art 28-45mm f/1.8 DG DN | Tamron Di III 28-75mm F/2.8 Di III VXD G2 | Meike Neo Series MK-5514STM-Z | Nikon NIKKOR Z 14-24mm f/2.8 S | Panasonic LUMIX S S-R28200 | Canon RF-S RF-S 18-150mm f/3.5-6.3 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 28-45mm | 28-75mm | 55mm | 14-24mm | 28-200mm | 18-150mm |
| Max Aperture | 1.8 | f/2.8 | f/1.4 | f/2.8 | f/4 | 6.3 |
| Mount | L-Mount | Nikon Z | Nikon Z | Nikon Z | L-Mount | Canon RF |
| Stabilization | false | false | true | true | true | true |
| Weather Sealed | true | true | false | true | true | false |
| Weight (g) | 450 | 550 | 280 | 649 | 413 | 621 |
| AF Type | Linear motor | VXD linear motor | STM | stepping motor | Autofocus | STM |
| Lens Type | zoom | zoom | prime | wide-angle | macro | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Art 28-45mm f/1.8 DG DN | 98.1 | 94.1 | 70.4 | 66.7 | 97.7 | 90 | 68.4 | 52.2 | 34.4 |
| Tamron Di III 28-75mm F/2.8 Di III VXD G2 Compare | 98.1 | 81.5 | 62.9 | 84.1 | 87.9 | 79.2 | 78.5 | 89.9 | 34.4 |
| Meike Neo Series MK-5514STM-Z Compare | 85.5 | 94.9 | 72.6 | 94.8 | 49.6 | 94.8 | 33.9 | 89.9 | 79.6 |
| Nikon NIKKOR Z 14-24mm f/2.8 S Compare | 85.5 | 81.5 | 55.4 | 97.8 | 82.5 | 79.2 | 69 | 89.9 | 79.6 |
| Panasonic LUMIX S S-R28200 Compare | 53.3 | 72.1 | 73.5 | 88 | 91.2 | 65.8 | 95.9 | 89.9 | 99.4 |
| Canon RF-S RF-S 18-150mm f/3.5-6.3 IS STM Compare | 85.5 | 54.7 | 38.8 | 85 | 87.2 | 55.2 | 97.1 | 89.9 | 94.5 |
Common Questions
Q: Does the front of the lens extend when I zoom or focus?
Nope, it's internal all the way. The barrel stays put, which makes it a dream on a gimbal or when you're shooting in dusty places.
Q: Can I adapt this to my Nikon Z camera?
You can try an E-mount to Z adapter like the Megadap ETZ21, but autofocus won't be as snappy and you might run into weird glitches. Honestly, wait for Sigma to release a native Z-mount version if you can.
Q: What's the smallest aperture it can stop down to?
It goes from f/1.8 all the way to f/16, so you're covered for bright to bright-ish light. Strangely enough, the lens feels right at home wide open.
Who Should Skip This
If you want a single lens for travel or a whole day of run-and-gun shooting, the 28-45mm range will feel like a prison. Grab the Tamron 28-75mm f/2.8 G2 instead, you'll give up a stop of light but gain way more breathing room and save cash. Same story if your camera lacks IBIS and you need steady handheld video: look at a stabilized option like Panasonic's 24-105mm f/4.
Verdict
If you photograph weddings, events, or environmental portraits and live for shallow depth of field, buy this lens and leave your prime kit at home. It delivers the f/1.8 look you crave without the constant lens swaps, and the sharpness will make you smile. For anyone else, a brighter f/2.8 zoom with more range is probably the smarter fork in the road.
