With the Sigma 24mm f/1.4 DG HSM lens, a maximum f/1.4 aperture model joins the Art Line of lenses. Developed using experience from the of the 35mm f/1.4 DG HSM Art and its 50mm f/1.4 companion, this lens benefits from such expertise and as a result has excellent imaging performance. Sagittal coma flare, chromatic aberration, distortion and vignetting have all been minimised to a barely perceptible level to give a best-in-class optical performance. Equally at home photographing a starry night, landscape or a dimly illuminated interior, this lens consistently produces results to be admired with excellent definition and consistency of brightness right into the corners of the frame.
Best in Class optical performance
Sagittal coma flare has been reduced by careful position of aspheric lens elements and adjustment of the angle of incidence of the light source. The result is better rendition (much less streaking) of point sources as you move away from the centre of the frame, making this lens ideal for photographing illuminations and for astrophotography.
Chromatic aberration is reduced by using both FLD and SLD low dispersion glass optics so that axial chromatic aberration is drastically reduced. The high anomalous dispersion of the FLD glass ensures that residual chromatic aberration (secondary spectrum) is also corrected which is not possible using conventional glasses.
Optional Sigma USB Dock
Using the Sigma USB Dock (available separately), you can update firmware as well as adjust parameters such as focus points and operation of the Full Time Manual Focus mode.
This lens uses intelligent construction choices for robustness and reliability. For example the lens hood incorporates rubber into the connected part and the focus switches have been redesigned. The lens also uses TSC (Thermally Stable Composite) which has similar thermal expansion characteristics to aluminium but has better elasticity and resistance to deformity compared with commonly used polycarbonate and glass composites often used in lens barrel construction. All Sigma Art lenses are evaluated using the latest A1 MTF measuring system for precise quality control and all are made in Japan.
This Art lens also has a rounded diaphragm for attractive bokeh and a tough brass made bayonet mount for years of trouble free service.
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10 February 2015
We're huge fans of Sigma's new Global Vision lenses and it's fair to say their Art Primes (SIGMA 35mm F1.4 DG HSM | Art and SIGMA 50mm F1.4 DG HSM | Art) have taken the world by storm with their quality. We always knew there was more to come and here...Read full article
NB: If extremely precise autofocus is required, the Sigma calibration dock will fine-tune the relationship between the specific camera and the specific Sigma lens you are using. For ultra precision, you may also want to hire the Datacolor SpyderLENSCAL calibration chart. Please see accessories below.