Sigma has been steadily taking on the giants in imaging with its latest series of Art, Sport and Contemporary-labelled lenses. The Art lenses in itself has established as the signature of quality in optics, build quality and mechanical precision. The Sigma 85mm f/1.4 DG HSM Art lens is its answer to competitors in the heavily contested fast portrait lens sphere. Design and … [Read more...]
Sigma 135mm f/1.8 DG |Art
The 135mm, being an Art-series lens, certainly has a reputation to keep. 135mm can rightly be considered an essential focal length in the ‘true’ telephoto range. This telephoto range produces just the right amount of compression effect for portraits and still life. Combined with a wide aperture, this Art lens is believed to deliver shallow depth-of-field along with pleasing … [Read more...]
Ask Uncle Ronnie – January 2017
Ask your question to Uncle at sp@nextgenpublishing.net Which AF Points? I am using a Nikon D810. I generally use the Group AF for photographing birds. This works well most of the time, but sometimes I feel that the images (especially of small birds) are not as sharp as I would like. Any suggestions? Arthur S. via email. The Group AF, as the name suggests, is a cluster … [Read more...]
A Work of Art – SIGMA 24mm F/1.4 DG Art Lens
Sigma’s series of Art lenses have stolen the thunder in the lens market with their exceptional performance and in some cases, have also excelled the proprietary lenses from big marks like Canon, Nikon, Sony, Zeiss etc. The 24mm lens under review actually has a maximum aperture of f/1.4 thereby making it suitable not only for landscape photography but also other situations … [Read more...]
Canon Rumoured to be Developing 120MP Stacked Sensor
If rumours are to be believed, Canon seems to have a new sensor design in place for their 120 MP D-SLR that was previewed recently. A well-informed rumour source says that the Bayer pattern sensors do not do full justice to ultra-high resolution sensors over 100MP. The source believes that the new sensor may be similar in technology to Sigma's patented Foveon technology and … [Read more...]