Sigma is reintroducing a renamed version of its previously announced 46MP, Foveon-based flagship DSLR, the Sigma SD1. Now called the Sigma SD1 
Merrill after the late inventor of the Foveon chip—Richard “Dick” Merrill—the new camera is virtually unchanged except for the name and its present selling price, which at $2,299.00 (at B&H), is thousands of dollars less than its original selling price.
Like its original incarnation, the SD1 Merrill is designed around a unique Foveon imaging sensor. Unlike conventional CCD and CMOS imaging sensors, it records RGB channels through each pixel as opposed to the traditional 1-pixel, 1-color channel methodology used in conventional CCD and CMOS imaging sensors. As a result, Sigma refers to the SD1 Merrill’s APS-C format imaging sensor as its 46MP “True II Image processing engine.”
The newly named camera is compatible with all Sigma SA-mount optics and can capture stills in the form of JPEG or RAW files at continuous burst rates of up to five frames per second at full resolution. Other features found on the Sigma SD1 Merrill include a TTL phase difference detection AF system, a 77-segment metering system, a pentaprism finder with approximately 98% image viewing, a top ISO of 6400, and a 3.0", 460k-dot LCD.
The Sigma SD1 Merrill is currently available for pre-order at B&H.
Merrill after the late inventor of the Foveon chip—Richard “Dick” Merrill—the new camera is virtually unchanged except for the name and its present selling price, which at $2,299.00 (at B&H), is thousands of dollars less than its original selling price.Like its original incarnation, the SD1 Merrill is designed around a unique Foveon imaging sensor. Unlike conventional CCD and CMOS imaging sensors, it records RGB channels through each pixel as opposed to the traditional 1-pixel, 1-color channel methodology used in conventional CCD and CMOS imaging sensors. As a result, Sigma refers to the SD1 Merrill’s APS-C format imaging sensor as its 46MP “True II Image processing engine.”
The newly named camera is compatible with all Sigma SA-mount optics and can capture stills in the form of JPEG or RAW files at continuous burst rates of up to five frames per second at full resolution. Other features found on the Sigma SD1 Merrill include a TTL phase difference detection AF system, a 77-segment metering system, a pentaprism finder with approximately 98% image viewing, a top ISO of 6400, and a 3.0", 460k-dot LCD.
| Format | Interchangeable-lens SLR camera |
| Storage Media | CompactFlash (Type I, UDMA compatible) |
| Sensor Size | 23.5 x 15.7mm |
| Lens Mount | SIGMA SA bayonet |
| Crop Factor | Equivalent to approx. 1.5x the focal length of the lens (for 35mm cameras) |
| Image Sensor | Foveon X3 direct image sensor (CMOS) |
| Number of Pixels | 48MP (4,800 x 3,200 x 3 layers) |
| Aspect Ratio | 3:2 |
| Still Image Format | Exif 2.3, DCF2.0 |
| Image Recording Format | Lossless compression RAW data (12-bit, High, Medium, Low); JPEG (High, Medium, Low) |
| Capture File Size | RAW High: approx. 45MB (4704 x 3136 x 3) Med: approx. 24MB (3264 x 2176 x 3) Low: approx. 12MB (2336 x 1568 x 3) JPEG High- Fine: approx. 10MB (4704 x 3136) Normal: approx. 5.6MB (4704 x 3136) Basic: approx. 4.3MB (4704 x 3136) Medium- Fine: approx. 5MB (3264 x 2176) Normal: approx. 2.7MB (3264 x 2176) Basic: approx. 2MB (3264 x 2176) Low- Fine: approx. 2.5MB (2336 x 1568) Normal: approx. 1.4MB (2336 x 1568) Basic: approx. 1MB (2336 x 1568) |
| Continuous Shooting Speed | High: 5 fps; Medium: 6 fps; Low: 6 fps |
| Continuous Buffer | High: Max 7 frames; Medium: Max 14 frames; Low: Max 14 frames |
| Interface | USB (USB 2.0), Video Out (NTSC/PAL) |
| White Balance | 8 types (Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom) |
| Color Mode | 7 types (Standard, Vivid, Neutral, Portrait, Landscape, B&W, Sepia) |
| Viewfinder | Pentaprism SLR viewfinder |
| Viewfinder Frame Coverage | 98% vertical, 98% horizontal |
| Viewfinder Magnification | 0.95 x (50mm f/1.4-infinity) |
| Eye Point | 18mm |
| Diopter Adjustment Range | -3dpt to + 1.5dpt |
| Auto Focus Type | TTL phase difference detection system |
| AF Operating Range | EV 0 to +18 (ISO 100) |
| Focus Mode | Single AF, Continuous AF (with AF motion prediction function), Manual |
| AF Point Selection | Automatic Selection, Manual Selection |
| Metering Systems | 77 segment Evaluative Metering, Spot Metering, Center Metering, Center-Weighted Average Metering |
| Metering Range | EV 1 to 20 (50mm f/1.4, ISO 100) |
| Exposure Control System | (P) Program AE (Program Shift is possible), (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual |
| ISO Sensitivity | ISO 100, 200, 400, 800, 1600, 3200, 6400 |
| Exposure Compensation | ±3EV (in 1/3 steps) |
| Auto Bracketing | Three or Five frames (in 1/3 steps, Appropriate Exposure- Under Exposure- Over Exposure) |
| Shutter Type | Electronically controlled focal plane shutter |
| Shutter Speed | 1/8000 – 30 sec. + bulb (up to 30 sec., with Extended Mode: 2 min.) |
| External Flash Synchronization | Hot shoe (contact X synchronization at 1/180 sec. or less, with dedicated flash linking contact) |
| Built-in flash | Manual pop up built-in flash, GN 11 (17mm lens angle covered) |
| LCD Monitor | 3.0"color TFT LCD monitor, 460,000-dot |
| Reviewing Images | Single frame display, Multi display (9 frames), Zoom, Slide Show |
| LCD Monitor Language | Japanese, English, German, French, Spanish, Italian, Chinese (Simplified), Korean, Russian |
| Power Source | Li-ion Battery Pack BP-21, Battery Charger BC-21, AC adapter SAC-4 (optional) |
| Dimensions | 5.7 x 4.4 x 3.1" (14.6 x 11.4 x 8 cm) |
| Weight | 24.7 oz (700 g) without batteries and card |
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