OK ... here's the bottom line. The 1st image was underexposed about 2 to 4 stops. If you look at the histogram nearly ALL the information are values 0 to 64.
Here is the image as shot ... (CS3 ACR)
And here is a quick recovery image from the same shot ...
Nuff said. ;-)
OH and here is the EXIF data ...
[PhotoME]
PhotoME version: 0.79 (Build 612)
[Overview]
File name: C:\Documents and Settings\Mike Jex\Desktop\IMGP0053(2).PEF
File type: Pentax Camera RAW
File size: 7,812.9 KB
Creation date: 1/15/2008 15:07
Last modification: 1/22/2008 10:20
Make: PENTAX Corporation
Camera: PENTAX K10D
Lens: Sigma 135-400 4.5-5.6 APO
Software: K10D Ver 1.30
Dimension: 3936 x 2624 px (10.3 MP, 3:2)
Focal length: 600 mm KB (400 mm Real)
Aperture: F8
Exposure time: 1/100" (+2 EV)
ISO speed rating: 125/22°
Program: Not defined
Metering Mode: Spot
White Balance: User-Selected
Flash: Flash did not fire, compulsory flash mode
[Image]
Image width: 3936 px
Image height: 2624 px
Number of bits per component: 12
Compression scheme: Pentax PEF Compressed
Pixel scheme: CFA (Color Filter Matrix)
Manufacturer: PENTAX Corporation
Image input equipment model: PENTAX K10D
Image data location: 0x00014DF0
Orientation of image: 0° (top/left)
Number of components: 1
Number of rows per strip: 2624 rows
Bytes per compressed strip: 6419663 bytes
Image resolution in width direction: 72 dpi
Image resolution in height direction: 72 dpi
Image data arrangement: Chunky Format (Interleaved)
Unit of X and Y resolution: inch
Software: K10D Ver 1.30
File change date and time: 2008-01-15 15:07:20
Exif IFD Pointer: 0x00000156
[Additional Image]
Image width: 3872 px
Image height: 2592 px
Compression scheme: JPEG (old-style)
Image resolution in width direction: 72 dpi
Image resolution in height direction: 72 dpi
Unit of X and Y resolution: inch
Offset to JPEG SOI: 0x006342C0
Bytes of JPEG data: 1495284 bytes
[Camera]
Exposure time: 1/100"
F number: F8
Exposure program: Not defined
ISO speed rating: 125/22°
Date and time of original data generation: 2008-01-15 15:07:20
Date and time of digital data generation: 2008-01-15 15:07:20
Exposure bias: +2 EV
Metering mode: Spot
Flash: Flash did not fire, compulsory flash mode
Lens focal length: 400 mm
Manufacturer notes: 0x000002AC
Sensing method: One-chip color area sensor
CFA pattern: [Red, Green], [Green, Blue]
Custom image processing: Normal process
Exposure mode: Manual exposure
White balance: Manual
Focal length in 35 mm film: 600 mm
Scene capture type: Standard
Contrast: Soft
Saturation: Low saturation
Sharpness: Soft
Subject distance range: Distant view
[Manufacturer notes]
Pentax Version: 30.0.0
Pentax Mode: Auto
Preview Image Size: 640 x 480
Preview Image Length: 22564 bytes
Preview Image Start: 0x00007F08
Pentax Model: K10D
Date: 2008-01-15
Time: 15:07:20
Quality: RAW
Flash Mode: Off
Focus Mode: AF-S
AF Point Selected: Fixed Center
Exposure Time: 1/100"
F Number: F8
ISO: 125
Exposure Compensation: +2
Metering Mode: Spot
Auto Bracketing: 0 EV
White Balance: Daylight
White Balance Mode: User-Selected
Focal Length: 400 mm
Saturation: Med Low
Constrast: Very Low
Sharpness: Med Soft
World Time Location: Destination
Hometown City: Jerusalem
Destination City: Jerusalem
Hometown DST: Yes
Destination DST: Yes
??? (0027): <Binary Data>
??? (0028): <Binary Data>
??? (002D): 14592
Picture Mode: Shutter & Aperture Priority AE (1)
Drive Mode: Continuous
??? (0035): 11894, 7962
Color Space: sRGB
Image Area Offset: x = 8, y = 8
Raw Image Size: width = 3872, height = 2592
??? (003D): 8192
??? (003E): 26, 26, 0, 0
Lens Type: SIGMA
Camera Temperature: 13 °C
??? (0048): 0
Noise Reduction: Off
Red Balance: +0.3
Image Tone: Natural
??? (0050): 0
??? (0053): <Binary Data>
??? (0054): <Binary Data>
??? (0055): <Binary Data>
??? (0056): <Binary Data>
??? (0057): <Binary Data>
??? (0058): <Binary Data>
??? (0059): <Binary Data>
??? (005A): <Binary Data>
SR Result: stabilized
Shake Reduction (Setup): On
Photometering To Release Switch Time: 89
SR Focal length: 404 mm
Shutter Count: 10699
??? (0062): 1
BlackPoint: [0, 0, 0, 0]
WhitePoint: [13600, 8192, 8192, 8736]
??? (0205): <Binary Data>
AE Info: <Binary Data>
AE Exposure Time: 1/93.1"
AE Aperture: F8
AE ISO: 130
AE Xv: -2 Ev
AEB Xv: ±0 Ev
AE Flash Tv: Not available
AE Program Mode: Manual/Program AE
AE Extra: 0
Lens Info: <Binary Data>
Lens Type: Sigma 135-400 4.5-5.6 APO
Lens Kind / Version (LC0): 2 / 8
Lens Data (LC1): 148
Distance Code Data (LC2): 132
K-Value (LC3): 160
Near Distance Abberation Correction Data (LC4): 86
Light Color Abberation Correction Data (LC5): 6
Open Abberation Data (LC6): 227
AF Minimum Actuation Condition Data (LC7): 65
Focal Length Data (LC8): 162
Nominal AVmin / AVmax Data (LC9): 171
mv' nv' Data (LC10): 64
AVC 1/EXP Data (LC11): 48
mv1 Avminsif Data (LC12): 1
AVmin Data (LC13): 81 (F5.7)
UNT_12 UNT_6 Data (LC14): 107
Incorporated Flash Suited Data (LC15): 251
Flash Info: <Binary Data>
Flash Status: 0
Flash Mode Code: Off (240)
External Flash Mode: 63
Internal Flash Magnitude: 0
TTL D/A A-ch Up: 0
TTL D/A A-ch Down: 0
TTL D/A B-ch Up: 0
TTL D/A B-ch Down: 0
AE Metering Segment 1: ~7.9 LV (center)
AE Metering Segment 2: ~7.8 LV (center edge)
AE Metering Segment 3: ~7.4 LV (upper, mid-right)
AE Metering Segment 4: ~6.9 LV (upper, mid-left)
AE Metering Segment 5: ~8.5 LV (upper, right)
AE Metering Segment 6: ~7.6 LV (upper, left)
AE Metering Segment 7: ~7.9 LV (mid-right)
AE Metering Segment 8: ~7.5 LV (mid-left)
AE Metering Segment 9: ~9.1 LV (right)
AE Metering Segment 10: ~8 LV (left)
AE Metering Segment 11: ~8.8 LV (lower, mid-right)
AE Metering Segment 12: ~7.9 LV (lower, mid-left)
AE Metering Segment 13: ~8.6 LV (lower, right)
AE Metering Segment 14: ~8.3 LV (lower, left)
AE Metering Segment 15: ~8 LV (top)
AE Metering Segment 16: ~8.9 LV (bottom)
Flash A Dump: <Binary Data>
Flash B Dump: <Binary Data>
WB RGGB Levels Daylight: [13600, 8192, 8192, 8765]
WB RGGB Levels Shade: [16128, 8192, 8192, 6635]
WB RGGB Levels Cloudy: [14560, 8192, 8192, 7782]
WB RGGB Levels Tungsten: [8192, 8192, 8192, 20971]
WB RGGB Levels Fluorescent D: [17376, 8192, 8192, 8847]
WB RGGB Levels Fluorescent N: [14528, 8192, 8192, 10076]
WB RGGB Levels Fluorescent W: [13088, 8192, 8192, 12206]
WB RGGB Levels Flash: [13632, 8192, 8192, 8601]
Pentax Model: K10D
Manufacture Date: 20070119
Model Revision: 1.1
Internal Serial Number: 3840752
Battery Kind: 2
Body/Grip State Level: Body: 4, Grip: 1
Battery A/D Body No Load: 172 (7.6V, 52%)
Battery A/D Body Load: 168 (7.4V, 50%)
Battery A/D Grip No Load: 5
Battery A/D Grip Load: 1
??? (021A): <Binary Data>
??? (021B): <Binary Data>
??? (021C): <Binary Data>
??? (021D): <Binary Data>
??? (021E): <Binary Data>
AF Info: <Binary Data>
AF Points...?: 238
AF Point In Focus: Center (vertical)
??? (0220): <Binary Data>
??? (0221): <Binary Data>
??? (0222): <Binary Data>
??? (0223): <Binary Data>
??? (0224): <Binary Data>
??? (03FF): <Binary Data>
??? (0404): <Binary Data>
??? (0405): <Binary Data>