television camera manufacturer admit Canon , Pentax , and Fujifilm will show new digital SLRs for professional photographers at thePMA07 showin Las Vegas next calendar month . The new models balance traditional and forward-looking features to continue existing customer and lure new single .

Canonwill show the EOS-1D Mark III Digital SLR , an upgrade of its classic 1D model that shoot 10.1 megapixel images at up to 10 underframe per bit . canyon developed a more raw look-alike sensing element for the tv camera that can be pushed to ISO 6400 , it said Thursday .

Fujifilm , meanwhile , will show the FinePix S5 Pro , which begins shipping this month . The digital SLR has a 12.34 megapixel figure of speech sensor : half the pixels respond best to low light levels , the other half to potent light , a system that captures images with a wider dynamical range , the company said .

Pentaxwill once again show a epitome medium - data formatting SLR , the 645 Digital , which the company first begin babble about in March 2005 . This time around , it has slot for Mount Rushmore State and Compact Flash retentivity cards , and a 31.6 - megapixel image sensor build up by Eastman Kodak . Last twelvemonth , Pentax showed the same prototype with an 18 - megapixel sensing element . It has still not herald when or if the tv camera will go on sales agreement .

SLRs , or undivided - lens of the eye reflex response photographic camera , attract to professionals because the image in the viewfinder and the one hive away by the figure sensor , be it a digital one or flick , pass through the same lens : a grammatical case of what you see is what you get . Such photographic camera typically have standardized Lens , make them more conciliatory than thickset cameras with fixed lenses .

By offering digital camera bodies that take the same lenses as their older film cameras , manufacturers protect the often strong investments that their customers have made in lenses and other appurtenance . That ’s Pentax ’s strategy with the 645 Digital , which will use the same standardized lenses as the first 645 manakin introduced in 1984 .

The obliterable lenses used by Canon ’s EOS family have had a long life too : 20 years . Every time one of those lenses is remove is a chance for dust to participate a photographic camera body , but now the companionship thinks it has solved the job of junk ingress with an epitome sensor that clean itself . When the tv camera is turned on or off , the sensor tickle , shaking dust particle on the loose . The camera also tags delineation files with the location of any rubble specks that remain on sequent images , allow photographers to scavenge up the images automatically on their computer . Canon has also increased the barrage fire capability to a uttermost of 2,200 shots between recharges , compared to 1,200 for the previous modeling , and reduce the weight by 225 grams .

Fujifilm ’s FinePix S5 Pro appeals to old hands by simulating some of the characteristics of film : the television camera features five preset musical mode for optimizing picture saturation and line for skin tones or landscape , in much the way that change film type used to . As if to prompt photographers what that was all about , the company will also use the show to reintroduce its Fujichrome Velvia 50 colour slide celluloid , known to landscape painting photographers for its high-pitched coloring saturation .

PMA07 takes place at the Las Vegas Convention Center from March 8 to March 11 .