London, UK, 14 May 2013 – Canon today adds a new category to its range of high-performance super-telephoto lenses, with the introduction of the EF 200-400mm f/4L IS USM Extender 1.4x to Canon’s acclaimed L-series. The EF 200-400mm f/4L IS USM Extender 1.4x features a flexible 200-400mm focal range with a fixed f/4 aperture, 4-stop optical Image Stabilizer and for the first time in a commercially available lens, a built-in 1.4x...

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  Olympus has launched their latest mirrorless camera offering, the Olympus PEN (E-P5). It has a similar retro design as the Olympus Pen F with interchangeable mount of the 1965 period. We were invited to the launching of this Olympus PEN model. There was a touch and feel session to get ourselves familiar with the workings of this new offering. What we were told was that this new Olympus PEN has the following features. I have to use...

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  Photo Rumours May: posted a rumour to a new Sony RX200 compact camera that will be announced in the first week of June, 2013 as a replacement of the very popular RX100 model. The RX200 will have an improved 28-140mm f/1.4-2.2 lens (compared to the current 29-105mm f/1.8-4.9) and an unique built-in pop-up viewfinder (similar to the pop-up flash). Definitely an interesting development if true. This will be an interesting model if...

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  Camerapedia has listed 54 lenses that are tested to be radioactive. There are a significant number of lenses produced from the 1940s through the 1970s that are measurably radioactive. Main source of radioactivity is the use of thorium oxide (up to 30% by weight) as a component of the glass used in the lens elements. Thorium oxide has a crystalline structural similar to calcium fluoride (fluorite). Like fluorite, its optical properties...

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  There are rumours going around that Pentax may be offering a full frame mirrorless camera very soon. Pentax Users have been anxiously waiting for a full frame camera but to no avail. The new source told us that “Pentax’s new fullframe “might” be a mirrorless, using a newly developed hybrid mount that accepts current K-mount lenses and adds the ability to use newer short flange lenses as well.” .. Photosafari organises...

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