Tag Archives: cropped

Deals and Sales, Equipment

Special Price on the Canon EFS 55-250 Telephoto Zoom at B&H

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I just heard from site-sponsor B&H Photo that there is currently a substantial price reduction on the Canon EF-S 55-250mm f/4-5.6 IS II Lens that amounts to about 40% off, if my estimate is correct. The lens normally sells for $255, but right now it is available for only $149. New owners of Canon cropped sensor DSLRs who want to expand their long lens shooting beyond what they can do with the EFS 18-55 IS kit lens, will find that this lens can extend their range considerably. If you have been thinking about this lens, this is a really great price!

G Dan Mitchell is a California photographer whose subjects include the Pacific coast, redwood forests, central California oak/grasslands, the Sierra Nevada, California deserts, urban landscapes, night photography, and more.
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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.

Commentary

Canon 7D Rumors

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Speculation about a new DSLR and several new lenses is running wild on photography discussion boards this week. The current rumors, at least as of Friday evening, involve a new Canon “7D” that is supposedly a cropped sensor body with a 18MP sensor. Other features reputedly include HD video and a rather fast frame rate of 8fps. Judging from the “7D” designation it would be positioned between the 50D (or 60D?) and the 5D2 and below the current cost of the older 5D.

While I have little to offer – nothing, actually – in terms of real information about the rumors that are currently floating around about a new Canon DSLR. But, heck, if everyone else can speculate, why can’t I? Continue reading Canon 7D Rumors →

Commentary, Equipment

Canon 50D Announced: Competition is a Good Thing

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News of Canon’s announcement of the new EOS 5D cropped sensor mid-range DSLR is all over the web today – well, at least all over the photographic portion of the web. The new body updates the X0D line from the recent 40D, primarily by updating the 1.6x cropped sensor to 15 megapixels. According to Canon this was done while increasing the performance at high ISOs, keeping the burst rate almost the same as that of the 40D, and maintaining image quality by the use of “gapless microlenses” that can capture more light than would have been the case with older designs. There are other feature updates as well, and it looks like the price will be roughly but not precisely in the same ballpark as that of the 50D… at least once the prices drop a few months after the introduction of the new camera.

What does this mean for the DSLR buyer? The answer is, “It depends.” Continue reading Canon 50D Announced: Competition is a Good Thing →

Equipment, Ideas, Technique

Wide Angle Lenses and Image Stabilization

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I often hear people claim that image-stabilization is only of value on normal to long focal length lenses, and is not useful on wide angle and ultra wide angle lenses.

The photograph posted earlier today was shot handheld on a full frame DSLR at 1/25 second at ISO 800 and 32mm. (32mm on full frame is equivalent to using a 20mm focal length on a 1.6x cropped sensor body.)

I had just finished a session of tripod-based landscape shooting on the summit of this dome, had packed up, and was heading down when the lone hiker crossed the ridgeline below me just as some lovely post-sunset light gently illuminated the landscape. Having no time to set up a tripod – hiker and light would have been gone by then – I dropped everything, pulled the camera with image-stabilized 24-105mm lens from the pack, made some quick seat-of-the-pants exposure calculations, and got of three quick frames before the scene was gone. Without IS I simply would not have gotten a usable version of this photograph – a photograph that has since been licensed for use in a print journal.

Even as one who often shoots from a tripod – and almost always carries one – I have found the notion that IS has no value at shorter focal lengths to be a myth not born out in actual practice.