Posted by Yves Roumazeilles
Canon accessories & lenses, Nikon accessories & lenses, Sigma accessories & lenses
Thursday, March 28th, 2013

It’s hard to be sure of the details on this new lens from Sigma, since they announced that there is a delay (it will not be available this month – in March 2013). The only useful thing I would like to point to the significant items in the spec list: Dust-proof and splash-proof construction High [...]
Posted by Yves Roumazeilles
Sigma accessories & lenses
Wednesday, February 9th, 2011

Confirming their participation in the race for more E-mount lenses for the Sony NEX family of cameras, Sigma presented a prototype of the upcoming 30mm f/2.8 E.
Posted by Yves Roumazeilles
Sigma accessories & lenses
Wednesday, February 9th, 2011
Sigma revealed the official prices for the high-end lenses presented yesterday: 120-300mm f/2.8 EX DG OS HSM: $4700 Macro 150mm f/2.8 EX DG OS HSM: $1600
Posted by Yves Roumazeilles
Sigma accessories & lenses
Wednesday, February 9th, 2011
The Sigma APO 120-300mm f/2.8 EX DG OS HSM will allow Sigma to offer second generation image stabilization (with the ability to reach 4 EV improvements) on a wide aperture tele-zoom lens (f/2.8). Now, this is usually the realm of the very best lenses (the f/2.8 aperture at 300mm is normally associated in our mind [...]
Posted by Yves Roumazeilles
Sigma accessories & lenses
Wednesday, February 9th, 2011

Sigma announces the launch of three new lenses in its EX series (high-end and pro lenses). Sigma 12-24mm f/4-5.6 EX DG HSM II is a new improved version of its widest zoom lens Sigma Macro 105mm f/2.8 EX DG OS HSM is both stabilized and Macro 1:1 Sigma 50-150mm f/2.8 EX DC APO OS HSM [...]
Posted by Yves Roumazeilles
Sigma accessories & lenses, Sony accessories & lenses, Sony NEX, Tamron
Wednesday, February 9th, 2011

Sony has announced officially and publicly that they are going to completely share the specifications for NEX series lenses. It will become possible for third-party lens manufacturers to create optical products for the Sony NEX hybrid mirror-less photo cameras. Here is very good news for the Sony customers. But it’s even better when we read [...]
Posted by Yves Roumazeilles
Sigma accessories & lenses, Sony Alpha 33, Sony Alpha 55
Monday, September 13th, 2010
Sigma issued a press release to inform users that their Minolta-Sony-compatible lenses may have issues in handling the aperture when used on the newest Sony Alpha SLT (Semi-Transparent Mirror) Alpha 33 and Alpha 55. Be warned.
Posted by Yves Roumazeilles
Canon accessories & lenses, Nikon accessories & lenses, Olympus accessories & lenses, Pentax accessories & lenses, Sigma accessories & lenses, Sony accessories & lenses, Tamron, Tokina, Vintage - 2nd hand
Thursday, July 8th, 2010
photo credit: davidgsteadman When buying a photo camera, we often research in order to decide if this is the best camera, if its features will be goo enough, but will it be robust enough? Will it be useful or necessary to purchase a warranty contract extension? Will it fail very soon? When somebody asks me [...]
Posted by Yves Roumazeilles
Canon accessories & lenses, Nikon accessories & lenses, Olympus accessories & lenses, Pentax accessories & lenses, Sigma accessories & lenses, Sony accessories & lenses
Sunday, December 27th, 2009
When you use an expensive SLR camera you are often tempted to purchase a specialty lens like a ultra-wide angle (fish eye) lens. But, apart from the rare occasions when you really need it, it’s too expensive for you and me. Why not build it yourself? Instructables does the demonstration with a Nikon D90, but [...]
Posted by Yves Roumazeilles
Canon accessories & lenses, Nikon accessories & lenses, Olympus accessories & lenses, Pentax accessories & lenses, Sigma accessories & lenses, Sony accessories & lenses, Tamron, Technology
Tuesday, June 9th, 2009
Tamron rewrote its web site. This was the occasion to move the Lens Comparison Tool but it is still useful to compare a 400mm with a 500mm (or a 35mm with a 50mm). But you can also find a similar tool at Olympus (and it takes into account the specificities of 4/3 sensor format, of [...]
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