Rokinon 16mm Sigma 1835mm F18 Art Dc Hsm Micro Four Thirds
Sigma 18-35mm f/1.8 DC HSM. The Start And Fastest Zoom.
Sigma 18-35mm F1.8 DC HSM
To say I'm a little excited about this lens is an understatement. I'm and then stocked I had to write about information technology in order to become my feelings out! I ave seen and read enough on the Sigma 18-35mm F1.eight DC HSM that yeah! I had to buy ane. I dont have it because the darn thing is on backorder at present. I had a feeling this one was going to exist popular but I held off and now information technology looks like weeks before I become my easily on my copy. This lens is going to fit in perfect with what I have now. I like like fast lenses and if you want fast ones they have to primes. The Sigma 18-35mm F1.8 DC HSM is a f1.8 CONSTANT aperture ZOOM! The offset ever made! Manner to go Sigma! The lens is APS-C and so basically s35 and that'due south great if yous're a C100, C300 shooter. This gives you 27mm-52.5mm on 35mm camera. I just got my fast 50mm and I go all of it not a cropped version. And so very cool! Oh and did I mention it toll $800. Somebody pinch me! This cant exist right! I really want to see the bokeh on this lens. Information technology has 9 blades. Great. I would have paid more if they added a couple more than. I wish Sigma put a manual iris along side the electronic one. Lots of Nikon lenses have this and it'due south handy if y'all want tho use the lens on a non-Canon camera. Come on Metabones! Make that EF to MFT electronic SpeedBooster! Check out my post on Which Lenses Should I Buy For The C100, C300. I really took my own advice. 🙂
Sigma USB dock
The lens tin be updated with a USB dock that is sold separate for about $lx. That's not and so cheap, so I will wait for this accessory. I like Sigma found a way to update the lens. Usually yous have to use a photographic camera system to do this.
Simply The Facts.
Specifications:
- 17 elements in 12 groups
- Minimum discontinuity: F16
- Filter size: 72mm
- Angle of view (SD1): 76.5-Degrees – 44.2-Degrees
- Minimum focusing distance: 28cm/11.0in.
- Dimensions (Bore x Length): 78mm x 121.0mm/3.1in. 10 iv.8in.
- Number of diaphragm blades: 9 (Rounded diaphragm)
- Maximum magnification ratio: 1:4.3
Sigma'southward Art line delivers high-level artistic quality.
Sigma is organizing all its interchangeable lenses into three product lines; Contemporary, Art and Sports. Designed with a focus on sophisticated optical performance and arable expressive power, the Art line delivers high-level artistic expression. Developed with the maximum emphasis on creative touch, they are designed to meet the expectations of users who value a artistic, dramatic outcome higher up firmness and multifunction. Along with landscapes, portraits, all the same-life, shut-up and casual snaps, they are perfect for the kind of photography that unleashes the inner artist. Ideal for studio photography, they offering just as much expressive telescopic when capturing architecture, starry skies, underwater shots and many other scenes.
Excellent Usability.
A zoom lens is very convenient as it offers various angles of view just by rotating the zoom ring. Notwithstanding, the down side was that no zoom lens e'er offered a faster aperture than f2.viii which led photographers to select fixed focal length lenses for brighter images. While the aperture value of prime lenses is superior to zoom lenses, their field of view is ever the same, and therefore it was e'er necessary to carry many fixed focal length lenses. SIGMA eighteen-35mm F1.8 DC HSM is a next generation lens that tin deliver images at f1.8 discontinuity throughout its focal length. The bright viewfinder is very helpful for checking the focus and composition of the image. If it is compared with a lens of F2.eight, the faster shutter speed and the shallow depth of field of F1.8 further expands creativity. From broad to standard range this lens offers the excellent versatility and performance of multiple
fixed focal length lenses.Fruit of cutting edge applied science.
To achieve a wide zoom lens with a maximum aperture of f1.viii, various technical problems need to be overcome. As the discontinuity value gets larger, the depth of focus becomes shallower, thus it makes the lens pattern extremely complicated in gild to recoup for diverse distortions, such equally spherical, centric chromatic and astigmatic aberration along with curvature of field. In gild to compensate for astigmatic aberration across the unabridged focal range, Sigma has relied on the experience and know how gained when designing their super broad angle zoom lenses such as SIGMA12-24mm F4.five-five.6 Two DG HSM and SIGMA eight-16mm F4.5-5.6 DC HSM. In addition, the technological innovation at our Aizu manufactory also contributes to meliorate lens product. It has enabled
Sigma to develop a wide glass-molded aspheric lens, and the incorporation of SLD (Special Low Dispersion) glass has optimized power distribution of the optical elements and compensated for various aberrations every bit well every bit curvature of field at the widest angle. Thanks to their cognition of lens blueprint accumulated over a long catamenia of time, plus the latest lens manufacturing techniques, SIGMA has finally made the dream of a zoom lens with F1.eight throughout its unabridged focal range come up true.User-friendly treatment.
Convenient handling is accomplished by incorporating internal focusing and zooming which prevents any change in the length of the lens when focusing and zooming. It is possible to employ a specialist filter, such as a Circular Polarizer, as the front part of the lens does not rotate.
Designed to minimize flare and ghosting.
Flare and ghosting were thoroughly measured and monitored from an early stage in the lenses development to plant an optical design which is resistant to strong incidental light such every bit backlight. The Super Multi-Layer Coating reduces flare and ghosting and provides sharp and high dissimilarity images even in backlit atmospheric condition. Attaching the matched petal type hood, which is supplied,
will provide extra protection from flare and ghosting.Minimum focusing distance of 28cm.
With a minimum focusing distance of 28cm and a maximum magnification ratio of i:4.3, this lens is fantabulous for close-up photography.
Hyper Sonic Motor.
The HSM (Hyper Sonic Motor) ensures a silent, high-speed AF part. Optimizing AF algorithm, smoother AF is accomplished. It as well enables full-fourth dimension manual focusing capability which allows sensible focus adjustment past but rotating the focus ring.
Incorporating Rounded diaphragm.
The 9 bract rounded diaphragm creates an attractive round bokeh at large-aperture settings.
Pattern concept.
This product line incorporates rubber for the attachment part of the provided lens hood. For better usability, the designs of the lens cap and AF/MF changeover switch take been improved. In order to ensure high accuracy of the product, all metallic parts and the new chemical compound textile, TSC (Thermally Stable Composite), which has a high affinity to metallic parts, are housed internally. On the lens barrel, the final three digits of its release twelvemonth are engraved so the lens tin be identified according to the yr of its launch.
Brass made bayonet mountain.
This lens incorporates a brass fabricated bayonet mountain which has both high accuracy and immovability. A special handling to reinforce its strength is practical to the surface giving it greater strength and making it highly resistant to long-term use.
Newly adult "USB DOCK".
Attaching the lens to an optional USB DOCK plugged to your computer and using dedicated software "SIGMA Optimization Pro", you tin can update the lens firmware and adjust parameters such every bit focus.
I cant await, or I guess I accept to to go the Sigma. I currently have the Rokinon 35mm, 85mm cine and Catechism 24-105, 70-200 f4 non IS. This fits perfect in my lineup and it's fast. I will post a full review when the lens arrives.
Thanks for coming by! Please help support my site past using the links on this page or bookmark these from my favorite retailers,B&H,Adorama,Zacuto, Amazon.com & Think Tank Photo. Using the links price you nothing actress, but it helps offset the cost of running my web log. Thanks once more for coming past eriknaso.com!
Filed in: 35mm Lens • Lens Talk • New Release • Sigma
Source: https://eriknaso.com/2013/08/29/sigma-18-35mm-f1-8-dc-hsm-the-first-and-fastest-zoom/
0 Response to "Rokinon 16mm Sigma 1835mm F18 Art Dc Hsm Micro Four Thirds"
Post a Comment