George Schaub

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George Schaub Posted: Jun 26, 2007 0 comments

The III also sports a new Raw option, dubbed sRAW, which is 2.5 megapixels
in size and half the file size of "regular" Raw images. The advantage,
claims Canon, is that sRAW images can be processed just like any Raw image but
stored in at a smaller size. This is perfect, they say, for wedding candid photographers
who want Raw post-exposurepr...

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George Schaub Posted: Oct 27, 2004 0 comments

With the arrival of digital recording and software-based post-processing, techniques
for achieving perfect panning shots and 360° panoramic views are attracting
a lot of attention in the photographic world. The new Novoflex Panorama-VR system
is said to meet the demands of professional photographers for an easy-to-use
adjuster system to rotate a camera 360° around a nodal point.

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George Schaub Posted: Mar 26, 2008 0 comments

If you ever want a unique point of view try a "fisheye" lens. Like
looking through a door peephole (which in fact is a "fisheye" type)
this order of lens sacrifices linear correction in favor of a very wide angle
of view. Originally made for creating "full sky" images when pointed
straight up, they had long ago been adopted by photographers for creation of
decidedly different points of view, and, today, even doing QuickTime movies
to display the interior of a condo or vacation home.


Sigma 4.5mm f/2.8 EX DC HSM (Motor-in) Lenses

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George Schaub Posted: Apr 25, 2006 0 comments

Digital Image Sensor Update



The Promise of Even Better Image Quality Ahead



by George Schaub

All the talk in the past was about megapixels, with the horserace of ever-higher
counts grabbing all the headlines. Some folks claim that the latest 6 and 8
MP cameras deliver such good quality at such low price points that themegapixe...

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George Schaub Posted: May 29, 2007 0 comments

All Photos © 2006, George Schaub, All Rights Reserved

It'ssimple...

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George Schaub Posted: Feb 01, 2005 0 comments

If you've ever been walking down the street and a picture caught your
eye, but had no camera to capture the moment, then the small, shirt-pocket size
digicams might just be item you're seeking. A number of companies, including
Pentax, Casio and Minolta have already introduced such models, each with their
own unique feature sets. Now, Contax, a name renowned for exquisite cameras
and excellent lenses, has jumped into the fray with their own version, the U4R,
a 4-megapixel camera sporting a Carl Zeiss Vario-Tessar T* lens. Those familiar
with the amazing image clarity of this line of lenses will immediately recognize
the name; those unfamiliar with it can be assured that it is a legendary name
in optics. The camera has just under a 3x optical zoom lens, delivering the
equivalent of 38-115mm in 35mm format. There's also a digital zoom if
you need it, delivering over 400mm, but as with many digital zooms it's
really a crop into the frame, and will not deliver the quality of the prime
optics.

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George Schaub Posted: May 24, 2005 0 comments

While the usual photographic rules, such as using shutter speed to portray motion
(slow to blur, fast to freeze) and using focal length, aperture and camera-to-subject
distance to create a certain depth of field apply to both film and digital photography,
digital offers some intriguing options for making camera settings. In some cases
these settings relate to film photography settings, or choosing a specific film
for its "personality", but with digital you can alter these settings
on every frame you shoot and not be restricted to the attributes of a particular
film you might have loaded in the camera.

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George Schaub Posted: Sep 26, 2006 0 comments

One look at the specs of this new Tamron zoom and you'll understand why
it's immediately attractive to anyone carrying around a digital SLR in
their day bag. Weighing in at around 15 oz and measuring just under 3x3.2",
the lens is quite the marvel of size for what it delivers in focal length and
aperture options. Indeed, if someone told me that a constant aperture, 17mm
wide lens would be this size a few years back I'd have thought they had
lost their optical marbles. To be fair, however, that 17mm is not really a 17mm
in 35mm equivalent, thus practical terms, and I wonder why lenses like this
are still labeled that way. This lens is only for APS-C sensors, which means
it has the "35mm equivalent" of a 27mm wide angle view and 80mm
tele.


Tamron's new 17-50mm zoom, available in Canon, Nikon, Konica
Minolta (read Sony), and Pentax (read Samsung) mounts is highly
portable and compact.

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