A retrospective diary of the day I captured “Octillo Sunset, continued from PART 1
Moving to a Better Location
On the ground in Sabino Canyon, I rethought my plans for the afternoon, given the potential of an incredible desert sunset, and decided to seek the high ground east of Tucson up against the Rincon Mountains in the Saguaro National Monument. There was still plenty of time to travel there and set up.
On arrival at the monument I took the scenic “loop” road that meandered around the desert. The Lime Kiln Falls trail makes some elevation, so I hiked that to the end. In the 1800’s the rocks in the area were exploited for their mineral content by heating them, on site, to high temperatures that released a highly caustic (chemically reactive) “quick lime” that was in high demand. All that’s left of this work is some ground discoloration.
The Dry Water Fall and former Mining Site
The “Falls” in question were a totally dry rock ledge that I climbed for these views. In the first photo, on the right in the distance, you can see the same mountain peaks I shared in Part One. I used the same 200 mm telephoto lens because that interesting stand of saguaros were over 100 feet away across a steep slope.
Young Saguaros
The saguaros are interesting, to me, because they are all so young and grouped together. As though s clutch of seeds from the same specimen landed together on the same spot. The saguaros are notable for their lack of arms which will form with the passing years.
A View of the Catalinas
Late afternoon is the perfect time to photograph the Catalinas in the distance and the high, thin gathering cloud cover made for dramatic shading of the peaks. I needed to wait for a perfect moment because the light and view changed, literally, second by second. If you look closely, the city of Tucson can be seen among the foothills, to the left.
Why the Distance Stands Out (high contrast)
The lens was fitted with a deep hood. Besides being black, the interior of the hood is surfaced with black felt, the same as used for large telescopes, to capture any stray light. Light falling across the lens surface causes reflections, which is what this hood prevents. The result is the amount of contrast I captured, using the appropriate exposure and other settings. For this photograph I used F14, 1/125 and ISO160.
Click any photograph to view Ocotillo Sunset 
Another Catalina View
A bit further down the same trail, the desert view features an army of saguaros marching into Tucson.
Click any photograph to view Ocotillo Sunset 
The Catalina Highway runs along the escarpment, in the distance, and to the top of Mount Lemmon, a 9157 foot peak. In season, you can ski in the morning, on the peak, and in an hour or so travel to the desert to sunbathe comfortably. From the trail to the top of the Rincon Mountains this view just keeps opening up farther and farther and farther. My wife, Pam, and I backpacked up there April 2011.
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