Sigma 35mm f/1.4 DG HSM Art Lens for Pentax DSLR Cameras

Sigma 35mm f/1.4 DG HSM Art Lens for Pentax DSLR Cameras

Sigma 35mm f/1.4 DG HSM Art Lens for Pentax DSLR Cameras

B&H # SI3514P MFR # 340109
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Product Highlights

  • Aperture Range: f/1.4-16
  • Hyper Sonic Motor (HSM)
  • Floating Internal Focus System
  • Minimum Focusing Distance: 11.8"
  • Anti-Flare Super Multi-Layer Coating
  • Special & "F" Low Dispersion Elements
  • Front Filter Thread Diameter: 67mm
  • 9x Circular Aperture Blades
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Sigma 35mm f/1.4 overview

  • 1Description

The 35mm f/1.4 DG HSM Art Lens for Pentax DSLR Cameras from Sigma is the first entry into Sigma's Art series of professional lenses, with an emphasis on artistic expression and the creative potential of the lens. With a bright f/1.4 maximum aperture, floating inner focusing system, and Hyper Sonic Motor (HSM) you'll have quick and accurate control over the artistic effects achieved by the lens' high quality elements.

For wide angle photography, this 35mm lens and its circular 9-bladed f/1.4 aperture ensure excellent brightness and blurred background (bokeh) effects. The Super Multi-Layer Coating reduces flare and ghosting and provides sharp and high contrast images even in backlit conditions.

The lens' Hyper Sonic Motor (HSM) and floating inner focusing system ensure that you experience quick, quiet and precise autofocusing whenever you need it. Adjust focus using either autofocus (AF), or full-time manual focus, without having to switch camera modes or change settings - just flick the switch from AF to MF.

For greater build quality and strength, all metallic parts and the new Thermally Stable Composite compound material (TSC), are housed internally. Its brass made bayonet mount has both high accuracy and durability, and a special treatment is applied to its surface giving it greater strength and making it highly resistant to long-term daily use.

Aperture Range: f/1.4-16
With a bright maximum aperture of f/1.4 this lens allows you to capture images with beautiful defocused background bokeh effects in darker conditions - using faster shutter speeds and lower ISO sensitivities.
Hyper Sonic Motor (HSM)
This lens' motor is driven by ultrasonic waves to provide quiet, high speed autofocus. This Hyper Sonic Motor (HSM) ensures high speed and quiet AF as well as full-time manual focus override by rotating the focus ring.
Floating Internal Focus System
For stable focusing, this lens moves its inner lens groups without changing the lens length. It also compensates for astigmatic aberration and provides extremely high optical performance for close-up photos.
Minimum Focusing Distance: 11.8"
This lens has a minimum focusing distance of 11.8" so you can capture wide-angle close-ups from nearly a foot away.
Anti-Flare Super Multi-Layer Coating
This lens' coatings reduce lens flare, internal reflections and light scattering that can occur between the surfaces of its glass elements.
Special & "F" Low Dispersion Elements
This lens incorporates "F" Low Dispersion (FLD) glass elements, which have performance equal to that of fluorite, and Special Low Dispersion (SLD) glass elements. By optimizing the power alignment of the lens, chromatic aberration has been corrected, achieving high image quality through the entire focusing range.
DG Lens for Digital & 35mm Film SLRs
This is a large-aperture lens with wide angles and a short minimum focusing distance. Because of its great peripheral illumination, or lack of vignetting, it is an ideal lens for DSLR Cameras and traditional 35mm SLRs alike.
Sigma's Artistic A-Series Lens
Sigma has organized all of its interchangeable lenses into three product lines: Contemporary, Art and Sports. The Art line delivers high-level artistic quality with a focus on sophisticated optical performance and abundant expressive power. The SIGMA 35mm f/1.4 DG HSM is the first lens from the Art line. Developed with an emphasis on artistic touch, Sigma's Art line lenses are designed to meet the expectations of users who value a creative, dramatic outcome above compactness and multifunction.
Front Filter Thread Diameter: 67mm
The 67mm front filter thread is fixed, allowing rotating polarizing filters to be used with the lens.
9x Circular Aperture Blades
With nine circular blades, the lens' diaphragm delivers very pleasant, soft bokeh background effects.
Brass Bayonet Mount
This lens incorporates a brass made bayonet mount which has both high accuracy and durability. A special treatment to reinforce it is applied to the surface, giving it greater strength and making it highly durable for long-term use.
Ease Of Use
For better usability, the designs of the lens cap and AF/MF switch have been improved, as well as the rubberized lens hood attachment. In order to ensure accuracy and precision, all metallic parts and the new Thermally Stable Composite material are housed internally.
Quality Control & Sigma's MTF "A1" Measuring System
Sigma used to measure lens performance with the standard MTF (modulation transfer function) measuring system, using conventional sensors. However, they have since developed a proprietary MTF measuring system - dubbed "A1" - using 46MP resolution Foveon direct image sensors. Previously undetectable high-frequency details are now within the scope of their quality control inspections.
UPC: 085126340612
In the Box
Sigma 35mm f/1.4 DG HSM Art Lens for Pentax DSLR Cameras
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Hood
  • Carrying Case
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
  • Table of Contents
    • 1Description

    Sigma 35mm f/1.4 specs

    Performance
    Focal Length 35mm
    Aperture Maximum: f/1.4
    Minimum: f/16
    Camera Mount Type Pentax K
    Format Compatibility 35mm Film / Full-Frame Digital Sensor
    DSLR (APS-C Sensor)
    Angle of View 63.4°
    Minimum Focus Distance 11.81" (30.00 cm)
    Maximum Reproduction Ratio 1:5
    Optical Design 13 Elements in 11 Groups
    Diaphragm Blades 9
    Features
    Image Stabilization No
    Autofocus Yes
    Physical
    Filter Thread Front: 67 mm
    Dimensions (DxL) Approx. 3.03 x 3.70" (7.70 x 9.40 cm)
    Weight 23.46 oz (665 g)
    Packaging Info
    Package Weight 2.3 lb
    Box Dimensions (LxWxH) 5.7 x 5.0 x 4.5"

    Sigma 35mm f/1.4 reviews

    35mm f/1.4 DG HSM Art Lens for Pentax DSLR Cameras is rated 4.4 out of 5 by 5.
    Rated 5 out of 5 by from Tack sharp and fast focus I got this lens for my Pentax K5ii and it's really stunning. I was able to take a chest-up photograph of my subject with ample background around and get the eyes so sharp I could crop down to one eye and still have a printable image of my reflection in the pupil. The quickness of the focus and the lack of noise are also features I appreciate. My go-to lens has always been a Tamron zoom and it so loud when it auto-focuses as to be disruptive in quiet settings and distracting to subjects who mistake it for shutter release and break pose.
    Date published: 2016-01-25
    Rated 4 out of 5 by from Slightly Untapped Potential I need a low-light lens for my Pentax K5IIs, and the Sigma 35mm 1.4 seems to fit that need. This is a solid, maybe heavy, piece of gear. The lens did not focus well at all at first. Corrections with the Sigma dock helped, but focus finally seemed to fall into line with an in-camera adjustment. I have not wrung out the lens properly yet so I cannot make a final conclusion. Downloaded pictures are better than what they appear to be when chimping, so the potential is there. The lens is sharp, with decent bokeh. Autofocus is slightly slower than expected (lesser glass focuses faster with my K5IIs). I expect the manually adjustable focus after autofocus lock is going to be a very valuable feature since the camera's autofocus seems to be uncomfortable with such a fast lens. Now, I just need to use the lens in the heat of battle in some low light situations to see what it can bring to the table. Recommended with caution.
    Date published: 2015-02-18
    Rated 5 out of 5 by from Great lens, would buy again Sharp lens, that is relatively quiet on my Pentax K1. Very enjoyable to use and produces wonderful colors and quality in the images. Have only used for studio work so far, but can't wait to get it outside.
    Date published: 2017-03-23
    Rated 4 out of 5 by from This is a first-class lens This is the best lens I have ever used. Very sharp, beautiful rendition, and very nice bokeh. It's heavy, but real glass is heavy. If it wasn't all plastic and had better barrel markings, I would give it five stars.
    Date published: 2013-06-21
    Rated 4 out of 5 by from Great Lens My girlfriend and I are verrrrrrrry satisfied with this lens for camera people.
    Date published: 2013-10-14
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