Sigma 50mm f/1.4 EX DG HSM Lens for Pentax
HSM motor, Auto / Manual focus, Aspherical, 45cm closest focusing distance, 1:7.4 reproduction ratio, 77mm filter size
NIVO#: 28757Mnf.#: 310615
Warranty: 3 years
Our price: 
R 5,269.00
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Overview & Features top

Sigma 50mm f/1.4 EX DG HSM Lens

  • Designed for use with full frame digital cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 90mm with most cameras
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
  • Designed with molded glass aspherical lens elements for superior corrections of chromatic aberration & high image quality at all working distances
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed autofocus
  • 9 blade diaphragm creates a pleasant out-of-focus- effect on backgrounds
  • A lens hood, front & rear lens caps and carrying case are included with the lens.
Sigma’s 50mm F1.4 EX DG HSM is high quality, professional optics and you’ll know it the minute you pick it up. In the past few years, camera manufacturers have overlooked the need for a reasonable fast prime lens that is compact enough for everyday use, yet provides the necessary image quality to meet the highest expectations. Now, with the advent of the APS-c cameras, the long popular 50mm focal length takes on double duty as a portrait length lens of approximately 90mm on most of the small chip cameras. At a fraction of the size, weight and cost of comparable lenses, this is a lens that you might have on your digital SLR at all times.

Large aperture, standard prime lens for the latest digital cameras This large aperture prime lens with a standard focal length of 50mm is ideal for digital cameras. This lens has superior peripheral brightness and provides high contrast image even at the maximum apertures. It is ideal for several type of photography such as portrait, landscape and reportage. The molded glass aspherical lens elements provide excellent correction of chromatic aberration and ensure superior optical performance. The fast F1.4 aperture and rounded 9 blade diaphragm creates an attractive blur to the out of focus areas. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focus override.

Features

The large aperture standard lens designed with the latest power layout

This is a ‘DG’ lens, making it suitable for 35mm film SLR cameras as well as digital SLR cameras. It is possible to use this lens to produce creative effects depending on the aperture value and distance. This lens effectively becomes an 80mm medium telephoto lens on digital cameras with an APS-C size image sensor.

Large F1.4 aperture

This large aperture prime lens provides a bright image through the viewfinder. It enables photographers to easily check focusing and composition. The narrow depth of field enables photographers to emphasise the subject. The large maximum aperture of F1.4 is ideal for indoor photography without a flashgun or in dim lighting conditions.

Superior peripheral brightness

The design of the large aperture provides superior performance, increasing peripheral brightness, enabling a bright viewfinder image and creating an attractive blurred background.

Correction of sagittal coma flare

The molded glass aspherical lens elements provide excellent correction of sagittal coma flare.

Rounded diaphragm

This lens has a rounded 9 blade diaphragm which creates an attractive blur to the out of focus areas.

Minimum focusing distance of 45cm/17.7in.

This lens has a maximum magnification ratio of 1:7.4. The shallow depth of field with the maximum large aperture provides unique expression.

HSM (Hyper Sonic Motor)

This lens incorporates HSM, which ensures quiet and high-speed AF as well as full-time manual focus override by rotation of the focus ring.

Reduced Ghosting and Flare

The super multi-layer coating reduces flare and ghosting. It provides high contrast images even when the subject is backlit.

Petal-type hood

This lens is equipped with a Petal-type hood to block out extraneous light and reduce internal reflection.

Notice:

Not compatible with PENTAX SFX & SF7!

What's in the Box top
  • 50mm f/1.4 EX DG HSM
  • Lens Hood
  • Front and Rear Caps
  • Fitted Padded Case
  • Instruction Manual
  • Warranty Card
Specification top
General
Lens Type
Standard
Focal Length
50-50 mm
Zoom / Fixed
Fixed
Lens Mount
Pentax
Min. Focal Length (mm)
50 mm
Max. Focal Length (mm)
50 mm
 
Performance
Focusing
Manual / Auto
Closest Focusing Distance
45 cm
Silent motor
Yes
Angle of View
46.8
Maximum Aperture
f/1.4
Minimum Aperture
f/16
Max Magnification Ratio
1:7.4
Image Stabilizer
-
Aspherical Lens
Yes
 
Construction
Lens Construction (elements/groups)
8/6
Diaphragm Blades
9
 
Physical Characteristics
Filter Diameter
77 mm
Diameter
85
Length
68
Weight
505
 
Customer Reviews top
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Ratings & Summary
Overall score (576)
 
 
 
 
 
 
 
 
 
 
 
9.1/10
Expert score (12)
 
 
 
 
 
 
 
 
 
 
 
8.3/10
User score (564)
 
 
 
 
 
 
 
 
 
 
 
8.8/10
 
Value for money (19)
 
 
 
 
 
 
 
 
 
 
 
8.0/10
Features (2)
 
 
 
 
 
 
 
 
 
 
 
9.4/10
Ease of use (2)
 
 
 
 
 
 
 
 
 
 
10.0/10
Picture quality (4)
 
 
 
 
 
 
 
 
 
 
 
9.4/10
Durability (2)
 
 
 
 
 
 
 
 
 
 
10.0/10
Overall quality (3)
 
 
 
 
 
 
 
 
 
 
 
7.0/10
Construction (10)
 
 
 
 
 
 
 
 
 
 
 
9.1/10
PROS• strong construction • sharp focus • quick focus • consistent output • durable
Expert Reviews
DP Review
20 July 2009
The 50mm F1.4 EX DG HSM is the latest design from independent lens maker Sigma, announced in March 2008. It's a rare example of what is rapidly becoming an endangered species; an all-new, large maximum aperture, fixed focal length 'prime' lens, and (like Sigma's 30mm F1.4 DC before it) a hugely... Read more ...
PROSClass-leading image quality, Relatively low vignetting even at wide apertures on full frame, Reasonably fast and positive autofocus, with full-time manual override, Very good build quality
CONSLarge and heavy for a 50mm F1.4, Expensive
8.3/10
What Digital Camera
8 January 2009
Sigma 50mm f/1.4 EX DG HSM review
This high-specification Sigma prime comes with a price-tag to match, but does image quality meausure up? Read more ...
PROSImposing presence
CONSDistinctly heavy
9.7/10
photodo
7 April 2009
REVIEW: Sigma 50mm f/1.4 EX DG HSM
Gary Wolstenholme takes a look Sigma's first f/1.4 aperture standard lens, which sports a silent HSM focusing motor. Read more ...
PROSExcellent sharpness in the centre at most apertures, Low vignetting, 77mm filter size is the same as most professional level zooms
CONSMaybe a little softer than I'd hoped at f/1.4, Heavier than any other 50mm f1.4 lens, Bigger than any other 50mm f/1.4 lens
User Reviews
Bestbuy
2 March 2012
Killer lens
Designed for use with full frame digital cameras. May also be used with smaller APS-C size sensors with a corresponding effective increase in focal length to about 90mm with most cameras HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus Designed with molded glass aspherical lens... Read more ...
PROSPrice
CONSN/A
10.0/10
slrgear.com
16 April 2012
Sigma 50mm f/1.4 EX DG HSM review by Yucel
An beauty glamour headshot image taken with this lens @ f9.0 in studio with a Nikon D90 along with some brief details are avail for view here: http://glamourphotography.co/?p=6588 Some may say f9.0 is not a fair test of a fast portrait lens.... Read more ...
PROSGreat Bokeh, Very Sharp, 77mm Pro Filters
CONSLarge Green Ghost images from highlights wide open, sometimes
J&R
22 May 2011
Great product but poor packaging
Yes, I would recommend this to a friend Read more ...
PROSFast / accurate auto-focus, Nice Bokeh, Rugged, Strong Construction
CONSTight manual focus right
8.0/10