Two Hikers Near Mission Peak

TwoHikersMission2006|01|28: Two Hikers. Mission Peak. January 28, 2006. © Copyright G Dan Mitchell.
Two Hikers. Mission Peak. January 28, 2006. © Copyright G Dan Mitchell.

The light was amazing as I topped out on the ridge to the southeast of Mission Peak last Sunday – fog was streaming across the newly green grass on the ridge. Just as I arrived two hikers passed by and it occurred to me that they might make a subject for a photo.

I thought I had the wrong lens on the camera and considered swapping it out for a telephoto, but there was no time as the hikers started across to the other side of the ridge and the light changed rapidly – so I grabbed the tripod and mounted the camera with the 17-40 zoom. I didn’t have time to fully secure the tripod so I sort of half hand held the camera on top of the tripod and clicked off a half dozen shots as they started to descend.

It wasn’t until this evening that I finally looked closely at these images, only to find that this one in particular has a simple, spare quality that I like. I’m not done with it yet – it might even end up as a monochrome image.
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Cattle and San Francisco Bay

MissionPeakCattle2006|01|29: Cattle. Mission Peak. January 29, 2006. © Copyright G Dan Mitchell.
Cattle. Mission Peak. January 29, 2006. © Copyright G Dan Mitchell.

This is probably not a sight that most people associate with San Francisco Bay, but there you are. These cattle were grazing contentedly early in the morning last weekend as I took a little-used trail to the top of Mission Peak. There was no one else around and as I crested this rise the cattle showed no inclination to move off of the trail for me, but at least the were obliging about posing with the Bay in the background.
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Mission Peak View

MissionPeakView2006|01|29: Mission Peak View. January 19, 2006. © Copyright G Dan Mitchell.
Near the Summit. Mission Peak. January 29, 2006. © Copyright G Dan Mitchell.

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Canon 17-40mm f4 L Sharpness: Two Examples

Someone in an online forum I read asked for example images from sharp Canon 17-40mm f4 L lenses. I posted the following images from mine. Both are 100% crops from 8MP originals shot on a 1.6x crop sensor body and, as such, they comprise a very tiny excerpt from the full original image.

(For those who are unfamiliar with the “100% crop” terminology… you are looking at a display in which each pixel of the original image occupies one pixel on your computer monitor. Another way to think of this is that if the 100% crop came from a 12MP original, the crop is roughly equivalent to looking at a tiny section of a print that is about 5 feet wide.)

1740CropDemo: 17-40 lens. 100% crop.

The upper half is an unprocessed image. I converted it in Adobe Camera raw, then took it into Photoshop to crop and save as a .jpg. The second one was slightly sharpened in Photoshop using the Smart Sharpen tool. Pretty sharp, I’d say!

UPDATE: Here is another example of the potential for image sharpness with the Canon EF 17-40mm f/4 L lens. This is a 100% crop of a photo of some old mining equipment at Bodie, California.

BoltSharp17-40: Sharp image of bolts shot with 17-40 lens

G Dan Mitchell Photography
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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.

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Photographer and visual opportunist. Daily photos since 2005, plus articles, reviews, news, and ideas.