QUOTE (pprdigital @ Jun 5 2006, 06:52 PM)
Oscar:
The Aptus 65 is indeed a smaller version of the same chip in the Aptus 75. The P30, on the other hand, is a completely different chip than the P45, and different in a very significant way. You mentioned microlenses. The Aptus 75 and Aptus 65 do not have microlenses. Neither does the P45. The P30 does have microlenses. And if you intend to photograph with any type of camera movements, particularly at wide angle, youshould steer clear of the P30. The microlenses will present significant issues with color casts.
To a lesser degree, you can also get color casts with P45's and the Leaf Aptus backs. However, Phase One uses Kodak sensors, Leaf uses Dalsa. Due to the sensor technology, specifically the depth of the photoreceptors, the Dalsa sensor is less prone to color casts when shooting wide angle or using camera movements.
Steve Hendrix
PPR Digital
I have seen the P30 perform beautifully on a H1 with a 35mm lens. Also from what I understand the microlenses actually give you better higher iso performance.
On the comment about color casts on BOTH chips the Kodak and Dalsa, I know that Phase One has a tool to take care of any cast if present and have also come up with new profiles 'easy gray' that take care of this , does Leaf have anything in thier software/hardware for correction of any casts?
The best advice I can give is to test them both out yourself to see if you can live with any short comings from any back (there is not one magic bullet out there) . They are both good systems but what it comes down to is your preference of which file you like best and also workflow.
A lot of these shoot-outs between competive products unless done by an independent third party are pretty much not worth anything except for scrap paper.
M