Brad Morris
Veteran Member
The lenses for a 120 camera are not marked with 35mm Frame size focal lengths, all the Nikon, Canon and OLYMPUS SLR glass is. That is the reason that the bulk of people are obsessing over the FOV crop. In real times digital is digital and film is film and are not directly comparible, yes the other SLRs use parts (lenses) that can be used on cameras other than digital (except the DX range of lenses) but the sensor size is. the same thing happens if you use an adapter with a 645 lens. you get an apparent "Crop".Sorry, but that makes no sense whatsoever. 35mm sensors have a cropWhat are you tallking about? With the Olympus, the lenses are
marked with 35mm Focal lengths and are effectively 35mm units with
a new mount.
You have to deal with a 2x FOV crop instead of a 1.5, 1.6 or 1.7 x
crop compared to a full frame sensor - That is even worse.
factor compared with 120 film for instance, and that has a crop
factor when compared to large format. EVERYTHING has a crop factor
when compared to SOMETHING.
The problem is exaserbated because even the P&S camera are quoted with an equivalent 35mm zoom range when the actual range is much smaller
Light is light, Physics of glass and the way it refracts light doesnt change. The only thing that is upsetting your view on this is the paint on the lens barrel marking the zoom range. You have conditioned your thinking with dSLR to think like a 35mm camera, it is not. You have bought into the Oly Marketing spin. The Physics to design the optical systems on both cameras remain the same, only the marketing labels are different you need even wider focal length with an oly to get the same wide angle view you can get with an 15mm Nikon. Yes Oly has engineered different focal length lenses to what has been the norm but there is nothing stopping the other manufacturers for doing likewiseWhat I'm referring to here is that the focal length of the lenses
are designed for the size of sensor in that camera. Nikon and Canon
have zoom lenses with focal lengths that are fantastic to use on a
35mm camera, but stick a 28-70mm lens on a 10D and you've got an
awfully awkward focal legnth range that would require another
ultrawide zoom just to get a range similar to what Oly has put in
one lens.
Point is that the physics of glass doesnt change, the higher the FOV crop, the less that the glass can effectively resolve due to the circles of confusion, that is entirely controilled by the type of glass used in the construction of the lens.So, yes, this IS a smaller sensor than the others, but that isn't
the point, the point is that the focal lengths of the lenses are
useful with this sensor... Whereas on a 10D or an SD9 the sensor
size throws the focal length equivalent all out of whack.
The FOV crop doesnt actually give you a longer focal length, it only crops the outside of the image compared to 35mm to give an apparent increase. you get the same effect taking a negaitve into the lab, enlarging it and then cropping off the outside edges to retain teh image in the middle, digital does not magically resolve more distant detail simply because it is digital
Take another look at the Oly glass, the Zoom range painted on the lens is a 35mm range that needs to be doubled to be applicable to the 4/3 sensor.
I agree, If they price it at $800 it might stand a chance - The likes of sony 7x7, nikon 5700, Oly e-20 et al have smaller sensors with reduced potential quality compared to a dSLR camera, they still sell and and are fine cameras so that indicates that ultimate picture quality is not the only driving force in making a purchasing decision. At $2200 I cannot see it suceedingBottom line, the E1 looks like a fine camera, but it simply CAN'T
be MORE expensive than the competition while delivering LESS. It
doesn't make any sense.
--Regards,
photovoyager
DCS-F707, Nikon CP 950, http://www.pbase.com/bmorris65 , http://www.usefilm.com/browse.php?mode=port&data=13628