Bob's recent photos

The new Canon 24mm and 17mm TS-E lenses. Both are razor sharp and employ Canon's subwavelength coating to reduce flare. The coating may be responsible for the etherial diffuse colors seen de ...

2009-11-07T10:01:48Z

Bob
The new Canon 24mm and 17mm TS-E lenses. Both are razor sharp and employ Canon's subwavelength coating to reduce flare. The coating may be responsible for the etherial diffuse colors seen de ...

Canon 17mm f/4 L TS-E wide angle without shift adjustment. Vertical lines converge.

2009-11-04T14:30:58Z

Bob
Canon 17mm f/4 L TS-E wide angle without shift adjustment. Vertical lines converge.

Rio Grande wide vision caboose, viewed through the mid-locomotive walkway of the UP Centennial #6936 in Cheyenne, WY.

2009-07-17T11:54:52Z

Bob
Rio Grande wide vision caboose, viewed through the mid-locomotive walkway of the UP Centennial #6936 in Cheyenne, WY.

Paint cracking pattern on the Fireman's side of DRGW 5371.

2009-06-29T09:00:56Z

Bob
Paint cracking pattern on the Fireman's side of DRGW 5371.

There seems to be a lot of speculation regarding what the yellow deposits are on the side of 5371 beneath the dynamic brake blisters. Maybe this photo will clarify the situation a bit.

2009-06-29T08:57:07Z

Bob
There seems to be a lot of speculation regarding what the yellow deposits are on the side of 5371 beneath the dynamic brake blisters. Maybe this photo will clarify the situation a bit.

Interior radiator fan plenum details on UPY 1062. In this shot we are standing on the front porch, looking down at the lower-left corner of the radiator opening. The diagonal bar seen behind ...

2008-12-23T10:16:07Z

Bob
Interior radiator fan plenum details on UPY 1062. In this shot we are standing on the front porch, looking down at the lower-left corner of the radiator opening. The diagonal bar seen behind ...

This photo was edited to reveal interior 54 inch, 10-bladed fan details of UPY 1062, an SW1500. Evidently the shutters are controlled by a thermostat and can remain open when the unit shuts ...

2008-12-23T10:16:27Z

Bob
This photo was edited to reveal interior 54 inch, 10-bladed fan details of UPY 1062, an SW1500. Evidently the shutters are controlled by a thermostat and can remain open when the unit shuts ...

More government lunacy.

2008-05-26T04:21:08Z

Bob
More government lunacy.

A gentle shove back into the roundhouse.

2008-05-26T03:29:05Z

Bob
A gentle shove back into the roundhouse.

Parts FEF-3 #838 goes for a spin on the Cheyenne turntable prior to being shoved back in the barn.

2008-05-26T03:29:50Z

Bob
Parts FEF-3 #838 goes for a spin on the Cheyenne turntable prior to being shoved back in the barn.

Onto the turntable with no small amount of scraping and groaning.

2008-05-26T03:27:44Z

Bob
Onto the turntable with no small amount of scraping and groaning.

View from the engineer's seat of UPY 1062.

2008-05-26T03:24:02Z

Bob
View from the engineer's seat of UPY 1062.

The steam shop crew appear to be way behind in their reading. This stack of 1974 Trains sits in the cab of the SW10 shop switcher.

2008-05-26T03:24:02Z

Bob
The steam shop crew appear to be way behind in their reading. This stack of 1974 Trains sits in the cab of the SW10 shop switcher.

The control stand of the SW10 shop switcher proclaims: "BOYS TOY PAWS OFF"

2008-05-26T03:24:02Z

Bob
The control stand of the SW10 shop switcher proclaims: "BOYS TOY PAWS OFF"

The shop switcher shoves parts locomotive 838 off the turntable and back into the roundhouse. These days the FEF-3 has become an 0-8-2.

2008-05-26T03:29:35Z

Bob
The shop switcher shoves parts locomotive 838 off the turntable and back into the roundhouse. These days the FEF-3 has become an 0-8-2.

The SW10 shop switcher gives 949 a shove back into the barn at the end of the Cheyenne Depot Days open house.

2008-05-26T03:24:02Z

Bob
The SW10 shop switcher gives 949 a shove back into the barn at the end of the Cheyenne Depot Days open house.

6600 HP DD40AX, a/k/a Centennial.

2008-05-26T03:24:02Z

Bob
6600 HP DD40AX, a/k/a Centennial.

View of an E9 (inside, an E38-2) from the turntable and cab of the UP shop switcher.

2008-05-26T03:24:02Z

Bob
View of an E9 (inside, an E38-2) from the turntable and cab of the UP shop switcher.

Inside the cab of DRGW 5371

2008-05-26T03:24:02Z

Bob
Inside the cab of DRGW 5371

844 in the Cheyenne steam shop

2008-05-26T03:24:02Z

Bob
844 in the Cheyenne steam shop

Cab view of 3985

2008-05-26T03:24:01Z

Bob
Cab view of 3985

844's firebox. The thermic syphons are gone.

2008-05-26T03:30:58Z

Bob
844's firebox. The thermic syphons are gone.

The only full broadside of 838 in the sun.

2008-05-26T03:24:01Z

Bob
The only full broadside of 838 in the sun.

Parts unit FEF3 #838 was outside and on display for the first time in years. At the close of 2008 Depot Days, Linn Nystrom gingerly pulls the (now) 0-8-2 towards the turntable for a trip bac ...

2008-05-26T03:24:01Z

Bob
Parts unit FEF3 #838 was outside and on display for the first time in years. At the close of 2008 Depot Days, Linn Nystrom gingerly pulls the (now) 0-8-2 towards the turntable for a trip bac ...

Union Pacific's DD40AX, open for viewing during the 2008 Cheyenne Depot Days.

2008-05-26T03:24:01Z

Bob
Union Pacific's DD40AX, open for viewing during the 2008 Cheyenne Depot Days.

Close-up and personal view of the only Rio Grande tunnel motor without UP corporate graffiti. This is a face you can't help but love, a bit like a homeless puppy looking to make a new frien ...

2009-06-29T08:49:07Z

Bob
Close-up and personal view of the only Rio Grande tunnel motor without UP corporate graffiti. This is a face you can't help but love, a bit like a homeless puppy looking to make a new frien ...

An "outtake" from a recent photo shoot at the Greeley Freight Station Museum. The caboose was built by Rick Bacon III. Lighting on this scene uses a single Dedolite for the key (i.e., the ...

2009-01-10T01:59:44Z

Bob
An "outtake" from a recent photo shoot at the Greeley Freight Station Museum. The caboose was built by Rick Bacon III. Lighting on this scene uses a single Dedolite for the key (i.e., the ...

Passenger car steps, Steamtown PA, 2002

2009-02-01T15:01:25Z

Bob
Passenger car steps, Steamtown PA, 2002

Santa Fe R.R. streamliner, the "Super Chief," being serviced at the depot, Albuquerque, N[ew] Mex[ico]. Servicing these diesel streamliners takes five minutes

2009-06-24T12:17:42Z

Bob
Santa Fe R.R. streamliner, the "Super Chief," being serviced at the depot, Albuquerque, N[ew] Mex[ico]. Servicing these diesel streamliners takes five minutes

The bottom of a GretagMacbeth Eye One Display. In the center are five color sensors. They are surrounded by two rings of very soft rubber cups.

2009-06-25T16:58:41Z

Bob
The bottom of a GretagMacbeth Eye One Display. In the center are five color sensors. They are surrounded by two rings of very soft rubber cups.

If you are editing photos for use in a magazine, you really need to calibrate your computer's display. Without calibration, you will mis-adjust your photos to compensate for any bad behavior ...

2009-03-21T09:30:51Z

Bob
If you are editing photos for use in a magazine, you really need to calibrate your computer's display. Without calibration, you will mis-adjust your photos to compensate for any bad behavior ...

The same scene illuminated under tungsten. The majority of digital cameras, including my Canon DSLR, produce a horrible orange cast when set to automatic white balance.

2009-06-25T16:46:28Z

Bob
The same scene illuminated under tungsten. The majority of digital cameras, including my Canon DSLR, produce a horrible orange cast when set to automatic white balance.

This scene in a Macbeth color checking booth was illuminated with a daylight simulation. Most digital cameras on auto white balance can do a reasonable job.

2009-02-11T00:38:51Z

Bob
This scene in a Macbeth color checking booth was illuminated with a daylight simulation. Most digital cameras on auto white balance can do a reasonable job.

Using manual white balance on the camera can fix the orange cast under tungsten.

2009-06-25T16:46:15Z

Bob
Using manual white balance on the camera can fix the orange cast under tungsten.

The dull colors in this photo come from cool white fluorescent lighting in this Macbeth color checking booth. This is why you should avoid using common fluorescent lights for photography and ...

2009-06-25T16:54:18Z

Bob
The dull colors in this photo come from cool white fluorescent lighting in this Macbeth color checking booth. This is why you should avoid using common fluorescent lights for photography and ...

Two diffused fluorescent fixtures produced this diffuse light. The model looks flat, featureless and unappealing. For layout photography, turn off any and all fluorescent lights in the room ...

2009-06-25T17:01:44Z

Bob
Two diffused fluorescent fixtures produced this diffuse light. The model looks flat, featureless and unappealing. For layout photography, turn off any and all fluorescent lights in the room ...

Directional light, as from the halogen spotlight used here, makes details pop and produces a good simulation of natural sunlight.

2009-06-25T16:45:33Z

Bob
Directional light, as from the halogen spotlight used here, makes details pop and produces a good simulation of natural sunlight.

NH&I 2198, an ex-PRR GP30, sat in the New Hope yard on May 10, 2006.

2009-06-26T19:26:57Z

Bob
NH&I 2198, an ex-PRR GP30, sat in the New Hope yard on May 10, 2006.

This dedicated macro lens allows close-up focusing to 1:1 or life size. By that, we mean that at closest focus, the object is the same size as the image projected on the camera film or senso ...

2009-06-13T06:42:57Z

Bob
This dedicated macro lens allows close-up focusing to 1:1 or life size. By that, we mean that at closest focus, the object is the same size as the image projected on the camera film or senso ...

The Dedolight is an expensive but more civilized way to simulate the sun. This 150 watt unit has a sliding focus adjustment to cover just a few square feet or a large area. A light stand wit ...

2009-02-13T14:52:47Z

Bob
The Dedolight is an expensive but more civilized way to simulate the sun. This 150 watt unit has a sliding focus adjustment to cover just a few square feet or a large area. A light stand wit ...

A "Gomez Adams" moment just before the A&O 1.0 was torn down. Don't be afraid to have fun with photography. 20 seconds, f/22, ISO 100. Canon 10D and 17-40 f/4 L lens.

2009-06-13T03:24:21Z

Bob
A "Gomez Adams" moment just before the A&O 1.0 was torn down. Don't be afraid to have fun with photography. 20 seconds, f/22, ISO 100. Canon 10D and 17-40 f/4 L lens.

Extension tubes were popular accessories for film SLR cameras. They work well with prime lenses, but often introduce difficulties focusing (if at all!) and loss of sharpness with modern zoom ...

2009-06-13T03:10:16Z

Bob
Extension tubes were popular accessories for film SLR cameras. They work well with prime lenses, but often introduce difficulties focusing (if at all!) and loss of sharpness with modern zoom ...

Good quality close-up lenses, such as these doublet lenses from Canon, work well on all lenses including zooms. Use a lens hood (you always use one, don't you?)

2009-02-13T19:49:54Z

Bob
Good quality close-up lenses, such as these doublet lenses from Canon, work well on all lenses including zooms. Use a lens hood (you always use one, don't you?)

24 and 45mm Canon tilt/shift lenses. The tilt mechanism also rotates in the lens mount so that the plane of best focus can be tilted to any angle.

2009-02-13T19:50:05Z

Bob
24 and 45mm Canon tilt/shift lenses. The tilt mechanism also rotates in the lens mount so that the plane of best focus can be tilted to any angle.

December.jpg

2009-10-09T03:18:52Z

Bob
December.jpg

November.jpg

2009-10-09T03:34:47Z

Bob
November.jpg

October.jpg

2009-10-09T03:27:29Z

Bob
October.jpg

September.jpg

2009-10-09T04:20:56Z

Bob
September.jpg

August

2009-10-09T04:02:57Z

Bob
August

June.jpg

2009-10-09T03:50:10Z

Bob
June.jpg

David Stewart's O-scale Appalachian & Ohio model railroad.

2009-10-09T03:15:16Z

Bob
David Stewart's O-scale Appalachian & Ohio model railroad.

April.jpg

2009-10-09T03:50:16Z

Bob
April.jpg

March.jpg

2009-10-09T03:50:12Z

Bob
March.jpg

February.jpg

2009-07-13T06:41:23Z

Bob
February.jpg

January.jpg

2009-10-09T03:43:28Z

Bob
January.jpg

The engineer's station inside a GG-1 was cramped and afforded little visibility.

2009-02-17T15:27:05Z

Bob
The engineer's station inside a GG-1 was cramped and afforded little visibility.

Instruments inside the cab of GG-1 #4913, stuffed and mounted in Altoona, PA. May 1 2006.

2009-06-15T08:30:06Z

Bob
Instruments inside the cab of GG-1 #4913, stuffed and mounted in Altoona, PA. May 1 2006.