lens

Sony compact Alpha DSLR concept test-bed for new snap-on lens system?

Sony compact Alpha DSLR concept test-bed for new snap-on lens system?

Sony's new concept "interchangeable lens compact camera" for PMA 2010 this week may be catching glances for its small body size and possible indication that the company are planning a jump into the Micro Four Thirds market, but according to Amateur Photographer the really interesting part might be the lens mount itself.  They were closely watching Masashi Imamura, Sony's President of Personal Imaging and Sound Business Group at the company's press launch, and he removed the re-attached the concept Alpha DSLR's lens with none of the usual twisting.

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Pentax K-7 DSLR launches: 14.6MP & HD video for $1.3k [Video]

Pentax K-7 DSLR launches: 14.6MP & HD video for $1.3k [Video]

As promised, Pentax have unleashed their latest DSLR, the 14.6-megapixel K-7.  Pairing the new CMOS with the PRIME II imaging engine, the K-7 is also the first of the company's DSLRs to support high-definition video recording.  Where many rivals top out at 720p, the Pentax can climb all the way to 1,536 x 1,024 at 30fps (3:2 aspect; 16:9 720p is also supported), and has an HDMI output for easy viewing.

 

Video demo after the cut

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Tamron intros fast aperture Macro lens – SP AF 60mm ƒ/2 Di II LD (IF) Macro 1:1

Tamron intros fast aperture Macro lens – SP AF 60mm ƒ/2 Di II LD (IF) Macro 1:1

Typical macro lenses -- normal to telephoto focus length range – usually have maximum aperture at F2.8 or slower, with the exception of Olympus Zuiko Digital 50mm F2.0 ( Four Thirds lens) at one stop faster. Tamron has today announced the development of SP AF 60mm ƒ/2 Di II LD (IF) Macro 1:1. Like the Olympus, it’s a digitally optimized Macro lens featuring a bright maximum aperture of ƒ/2.0.

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Meike’s 1.4x teleconverter spotted at PMA 2009, hands-on

Meike’s 1.4x teleconverter spotted at PMA 2009, hands-on

Having owned four 1.4x teleconverters for my birding outfit, I was excited to see a new candidate at PMA 2009. From previous report, we spotted a 3rd party battery grip for 5D Mark II at Meike booth, as well as a new a 1.4x TC available for both Nikon and Canon mounts. The design is closely resembling the Tamron SP or the kenko standard 1.4x TC; it doesn’t has a front element that’s sticking out from the mounting flange nor o-rings for weather seal, but definitely has slight edges in built quality.

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