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George Schaub Posted: Mar 27, 2007 0 comments

The Case for Center Weighted Metering

by George Schaub

While today's multi-pattern metering system found in most DSLRs are marvels
of technology, you'll notice that almost every DSLR also has other metering
pattern options. The two main options, with variants available on some cameras,
are center-weightedaver...

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George Schaub Posted: Jan 04, 2005 0 comments

High scene contrast always creates difficulties for photographers, whether
shooting film or digital. The difficulty stems from the difference between the
ways the film or sensor "sees" and how the human eye sees. Our eyes
are adaptive, and can resolve large variations in brightness by the way it scans
throughout the scene and the amazing reflex of automatically restricting and
dilating the pupil to adjust to bright and dark areas before us. While light
metering systems in cameras are impressive in the way they can read light, the
fact remains that at the moment of exposure the lens on a camera records a scene
at one fixed aperture, or opening. In most situations this is no problem, as
the meter averages light values and the bright and dark areas are distributed
through the recording medium properly. But high contrast presents a problem.

A
better solution is to use the --1 contrast setting. This
allows for smoother tonal gradations and addresses the need to
control the divergent light values in this backlit scene.

All Photos © George Schaub, All Rights Reserved

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Filed under
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.

...

Filed under
George Schaub Posted: Apr 25, 2006 0 comments


Open an image in Photoshop, then evoke the dialog box at Filters>Alien...

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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.

...

Filed under
George Schaub Posted: Dec 26, 2006 0 comments


All Photos © 2006, George Schaub, All Rights Reserved

Filed under
George Schaub Posted: Oct 28, 2004 0 comments

Westcott has recently made a new addition to its line of Soft Box Light Modifiers
by introducing the New Masters Brush. The New Masters allows users to create more
defined shadowing, which enhances depth and adds contour.



Westcott worked directly on the design with Master Photographer Ken Cook, a third
generation family studio owner with over 50 years of experience. The specially
designed multi layer front panel along with the Barn Door and internal baffle
creates a 2 f-Stop differential between the center or the heart of the light and
the outer edges. This allows users to achieve the lighting patterns created by
the old Masters of Photography using split, broad and short lighting, including
all the variations of Rembrandt and Butterfly Lighting.
...

Filed under
George Schaub Posted: Jan 05, 2011 1 comments

The Samsung NX100 is the compact version of Samsung’s new NX-CSC-system. The camera has a retro design that looks like a classical view finder camera but is a modern digital system with a large LCD screen on the back. The superb AMOLED screen uses 614,000 RGB dots and displays a very brilliant image. The camera offers a standard accessory shoe on the top and a special digital interface right below the shoe. Samsung offers a lot of accessories for the N100: The most important attachment are the optional electronic view finder ED-EVF10, the GPS-tracker ED-GPS10 and two flash systems.

...

Filed under
George Schaub Posted: Jun 07, 2005 0 comments

The digital darkroom has made it simple to accomplish print and image effects
that would have taken hours in the chemical darkroom environment. While the
learning curve can be steep (as it certainly was for the chemical darkroom,
at least if you wanted good results) the ease with which some tasks can be accomplished
is almost...well, embarrassing, at least to those who once labored in the
amber-lit confines of the darkroom.

...

Filed under
George Schaub Posted: Oct 31, 2006 0 comments

First Look: Canon Digital Rebel XTi

by George Schaub

The Canon Digital Rebel line accomplished a number of things. It broke the
$1000 DSLR price barrier, with room to spare, and as a result brought DSLR photography
into the mainstream. What followed is history, with other makers bringing forth
their "bargain"...

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