Wednesday, March 6, 2013

Watch the Wonderful Mechanics of a DSLR Shutter in Super Slow Motion

There are incredible feats of engineering going completely unnoticed all around us. The way a high speed camera shutter works is one of them.
Luckily, the Phantom slow-mo cam—everyone's best friend—exists to show us just how awesome camera guts are at 1920 frames per second. We've seen similar on a Canon 60D, but what we have here is a Nikon D4 shooting photos at a rate of 10 frames per second. For each photo, the mirror flips up and the first curtain drops, exposing the image sensor for 1/200th of a second. Then, the second shutter drops to complete the exposure. Bravo.

Read full article by  Michael Hession at http://gizmodo.com/5988676/watch-the-wonderful-mechanics-of-a-dslr-shutter-in-super-slow-motion?tag=photography

St. Mary Lake - Glacier National Park MT

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© Christine Till


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Fujifilm gives more details on lens roadmap and XF 55-200mm telezoom

Fujifilm UK has given more details of the upcoming XF 55-200mm F3.5-4.8 R LM OIS telephoto zoom for its X system cameras. Full specifications include an inner focusing system driven by no fewer than four linear stepper motors, and a promise of class-leading OIS with four to five stops correction, to go alongside the maximum aperture that's half a stop faster than typical SLR lenses covering the same range. The company says the lens will be available in May 2013. Meanwhile the promised XF 23mm F1.4 R and XF 27mm F2.8 R pancake are expected to appear in the middle of the year, and the XF 56mm F1.4 R and XF 10-24mm F4 R OIS at the end of 2013.

Get the specs and more at http://www.dpreview.com/news/2013/03/06/fujifilm-gives-more-details-on-xf-55-200mm-telephoto-zoom


Crater Lake - Intense Blue Waters And Spectacular Views

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© Christine Till


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Thursday, February 28, 2013

Black And White Photography Tips For Beginners

How To Capture Excellent Monochrome Images
Most photographers shoot their subjects in color, convert the resulting images into black and white with photo editing software, and then think they’ve created a proper black and white photograph. What people don’t realize is that there are a couple of other factors that greatly affect B&W photographs. Photographyreview.com discusses those factors along with a few other black and white photography tips to get you off on the right track.

Check it out: http://reviews.photographyreview.com/black-and-white-photography-tips-for-beginners


Safety Is Sexy

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© Christine Till


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Monday, February 25, 2013

How to Set up a Remote Camera, Step-by-Step

Scott Kelby, Editor and Publisher of Photoshop User Magazine, training director and instructor for the Adobe Photoshop Seminar Tour, President National Association of Photoshop Professionals (NAPP), CEO of Kelby Media Group, author of a string of bestselling technology books. Conference Technical Chair for the Photoshop World Conference & Expo, author of numerous Photoshop training DVDs and online courses, and co-host of PhotoshopTV, and "The Grid"
did a quick video that takes the viewer through the step-by-step process of setting up a wireless remote camera — ideal for sports, for weddings, or anywhere where one can’t get a camera, or can’t be at two places at once.

How to Set up a Remote Camera, Step-by-Step -- it's easier than you'd think ... check it out

http://scottkelby.com/2013/how-to-set-up-a-remote-camera-step-by-step-its-easier-than-youd-think/

Japanese Samurai

Sell Art Online

© Christine Till


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Tuesday, February 12, 2013

Canon 200-400mm f/4 IS Exclusive Preview

Whatever one might think about Canon's product strategy, they never let us down when it comes to innovative, interesting and hugely useful new lenses.
One such is the still-to-be released Canon 200-400mm f/4 IS, a critical focal length range that has been a Nikon exclusive for some time now. But Canon has upped the ante this time with a built-in 1.4X teleconverter.
Find out about this exciting new lens with an exclusive video review by Joshua Holko, published here today for the first time.



Cobra Rose

Art Prints

© Christine Till


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Friday, February 8, 2013

Lens Review - Canon EF 35mm f/1.4L USM

Canon EF 35mm f/1.4L USM features 35mm at focal length with maximum aperture of F/1.4. The lens construction has 11 elements in 9 groups and has diagonal angle of view at 63°. Focus adjustment: Rear focusing system with USM, Closest focusing distance at 0.3m/1 ft and has a filter size of 72mm. The Canon EF 35mm f/1.4L USM lens weighs 20.5 Ounces and it measures 3.1 inches in diameter and 3 inches long.

SLRGear reviews the Canon EF 35mm f/1.4L USM and writes;
“Chromatic aberration is modest, geometric distortion is low, at only 0.26% barrel distortion, and even shading (more commonly called vignetting) isn’t too bad, at 0.44 EV, once again decreasing rapidly as you stop down, dropping to less than 1/10 EV from f/2.8 onward..”
Rating: ★★★★★
Lenstip reviews the Canon EF 35mm f/1.4L USM and writes;
“Canon EF 35 mm f/1.4L USM, as befits a professional top range lens, is equipped with a quick, silent ultrasonic motor. It is exactly as it should be – it works noiselessly and with lightning speed as it needs less than 0.5 second to travel from the minimum focus to infinity. The accuracy is also very good. In the studio we got a 4% margin of error on both bodies. What’s interesting, we noticed a very slight but nonetheless perceptible tendency to frontfocus by f/1.4.”
rating: N/A
Ephotozine reviews the Canon EF 35mm f/1.4L USM and writes;
“As you would expect from a prime lens, especially one with Canon’s famous L suffix, the optical performance was good. You will see from the chart that a gentle curve is achieved with no wild jumps from one stop to the next, always the sign of a well-produced lens. “
rating: N/A
SLRLensreview reviews the Canon EF 35mm f/1.4L USM and writes;
“In the f/1.4-f/2 range border performance is pretty mediocre, but by f/2.8 it reaches more or less decent levels and by f/5.6 becomes exceptionally good. Center performance, on the other hand, is very solid straight from f/1.4.”
rating: N/A
Wlcastleman reviews the Canon EF 35mm f/1.4L USM and writes;
“The EF 35mm f/1.4 L lens has significantly better sharpness (resolution and MTF) from f/2 to f/4 than the EF 35mm f/2 lens. Corner sharpness is very good if stopped down. The EF 35mm f/1.4 L is an excellent fast lens for wide field astrophotography and performs optimally at f/2.8. It is also a fast focusing lens when used for general photographic purpose. Performance is excellent at f/2 for non-astro photography.”
rating: N/A
Photozone reviews the Canon EF 35mm f/1.4L USM and writes;
“the resolution figures are exceptional and among the best tested so far. Typical for ultra-large aperture lenses vignetting is a little on the high side at wide-open aperture even on an APS-C DSLR but the issue remains correctable via imaging tools and stopping helps to resolves the issue if needed. “
Rating: ★★★★☆
The-digital-picture reviews the Canon EF 35mm f/1.4L USM and writes;
“Low available light portraits and other similar casual and formal shots are probably the use for which the Canon EF 35mm f/1.4 L USM Lens’ shines brightest. Shooting under available light indoors after dark with the camera handheld is usually possible with this lens. The relatively wide focal length paired with a very fast f/1.4 aperture makes the Canon EF 35mm f/1.4 L USM Lens a very good handheld indoor (without flash) lens. “
Rating: ★★★★★

Source: Digital Photography Journal


Ride Utah - Christine Till

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Wednesday, February 6, 2013

Will the next smartphones measure in ultrapixels?

Will the next smartphones measure in ultrapixels?
dpreview.com reviewed the HTC One X last year. The Taiwanese hardware maker is expected to announce groundbreaking mobile photography technology at its press event in New York City on February 19.

If early tech blog reports ring true, HTC's much-anticpated "M7" smartphone, expected to be revealed at press events to be held in New York City and London on February 19, may seriously be worth the excitement.
According to Pocket-lint, HTC will forgo a previously-speculated (and presumably conventional) 13-megapixel sensor for three, 4.3MP sensors to achieve a stacked "ultrapixel" sensor.
Although we don't know what this means  - sensors aren't transparent, so you can't simply 'stack' three on top of one another - it is just possible that HTC is planning on using a sensor similar to the Foveon  imagers used in Sigma's line of DSLRs and large-sensor compact cameras. While traditional Bayer sensors work by capturing information for just one color (red, green or blue) at each pixel location, and then interpolating that data to make true color, in a Foveon sensor, every pixel captures a true color because the red, green and blue filters are stacked above the light-gathering photodiodes.

Read more: http://connect.dpreview.com/post/5626969140/smartphones-measure-ultrapixels


Winter in Canada - Christine Till

Sell Art Online
© Christine Till


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