George Schaub

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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: Oct 18, 2004 0 comments

Elinchrom has introduced the Style 400 BX portable compact flash units. Two new
inexpensive kits, street priced at $995 and $1098, incorporate the latest innovations
in Multivoltage technology with all the accessories necessary to plug-in anywhere.



Featured in both kits, the EL 400 BXECON and EL 400 BX KIT, is the new Style BX
400 Multivoltage with automatic voltage detection from 90 V--260 V, a rapid
recycle time of 1 sec. in a lightweight monobloc weighing only 4.3 lbs.. Additionally,
both kits offer the new digitally stabilized 400BX monoblocs along with all the
lighting equipment and accessories necessary for capturing the most demanding
images while at the same time giving the photographer the ability to travel quick
and light. The EL 400BXKIT adds two Manfrotto light stands and a convenient Stand
Bag.



The new Style 400 BX Multivoltage compact flash unit features power ranges of
25 - 400 Ws and has the ability to work with 5 f-stops, ranging from 1/16 to 1/1.
The 400 BX is lightweight, weighing only 4.3 pounds (1.95 kg) and is compact for
in or out of studio use, with dimensions of 21 x 14cm (length x diameter). The
new head kit includes a plug-in omega flashtube precisely positioned 20 mm from
the internal reflector. The positioning helps avoid uneven illumination that often
results from non-concentric or U-shaped flashtubes.



Web: www.bogenimaging.us


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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: 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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George Schaub Posted: May 30, 2006 0 comments

In Brief

WD Passport Portable USB Drives

by George Schaub

It's clear that having a backup strategy when on the road can often make
the difference in image insurance. While downloading to your laptop to clear
your memory cards is now standard operating procedure, you should also consider
burni...

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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 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: Mar 15, 2005 0 comments

The pixels that make up a digital image each have an "address",
a code that defines color, brightness and shades. When we make images with a
digital camera or from film with a scanner we are creating a matrix of pixels
that altogether create the illusion of a continuous tone image. These codes
are not dyes or even densities, but specific information as to how the computer
will interpret the colors and tonal values on the screen. It is only when we
make a print that we leave the "digital" world and enter the world
of dyes and pigments. Because each pixel has a code, basically a bunch of information
that is composed of bits and bytes, we can alter that code to change the "address",
or color and tonal look of every pixel. In this lesson we'll use the Replace
Color dialog box, found in most versions of Photoshop, or under other names
in other programs, to illustrate the point and give you an easy, fun way to
play with your pictures.

...

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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