Digital SLR formats
As of June 2009, best consumer-level SLRs use sensors about the admeasurement of a anatomy of APS-C film, with a crop agency of 1.5-1.6. A notable barring is the Four Thirds System of cameras, mostly fabricated by Olympus and Panasonic, which use abate sensors with a crop agency of 2.0. Some able DSLRs use full-frame sensors, according to the admeasurement of a anatomy of 35 mm film. Many altered agreement are acclimated in business and anecdotic these sensor formats, including the following:
Full-frame agenda SLR format, with sensor ambit about according to those of 35 mm blur (36 × 24 mm)
Canon's APS-H architecture for accelerated pro-level DSLRs (crop agency 1.3)
Leica's M8 and M8.2 sensor (crop agency 1.33).
APS-C refers to a ambit of similarly-sized formats, including
Nikon DX format, Pentax, Konica Minolta/Sony α, Fuji (crop agency 1.5)
Canon entry-level DSLR formats (crop agency 1.6)
Foveon X3 architecture acclimated in Sigma SD-series DSLRs (crop agency 1.7)
Four Thirds System architecture (crop agency 2.0)
Production costs for a abounding anatomy sensor can beat twenty times the costs of an APS-C sensor. Only about thirty full-frame sensors can be produced on an 8 inches (20 cm) silicon dent that would fit 112 APS-C sensors, and there is a cogent abridgement in crop due to the ample breadth for contaminants per component. Additionally, the abounding anatomy sensor requires three abstracted exposures during the photolithography stage, which requires abstracted masks and affection ascendancy steps. The APS-H admeasurement was called aback it is the better that can be beheld with a distinct affectation to advice ascendancy assembly costs and administer yields.1
Due to the ever-changing constraints of semiconductor artifact and processing, and because camera manufacturers generally antecedent sensors from third-party foundries, it is accepted for sensor ambit to alter hardly aural the aforementioned nominal format. For example, the Nikon D3 and D700 cameras' nominally full-frame sensors absolutely admeasurement 36 × 23.9 mm, hardly abate than a anatomy of 35 mm film. As addition example, the Pentax K200D's sensor (made by Sony) measures 23.5 × 15.7 mm, while the ancillary K20D's sensor (made by Samsung) measures 23.4 × 15.6 mm.
Most DSLR angel sensor formats almost the 3:2 aspect arrangement of 35 mm film. Again, the Four Thirds System is a notable exception, with an aspect arrangement of 4:3 as apparent in best bunched agenda cameras (see below).
Medium-format DSLR
The best accepted sensor admeasurement for medium-format agenda cameras is about 48 × 36 mm (1.9 × 1.4 in)citation needed, due to the boundless use of Kodak's 22-megapixel KAF-22000 and 39-megapixel KAF-390002 CCDs in that format. Phase one offers the P65+ agenda aback with Dalsa's 53.9 × 40.4 mm (2.12 × 1.59 in) 16-bit sensor absolute 60.5 megapixels3 and Leica offers an "S-System" DSLR with a 45 × 30 mm (1.8 × 1.2 in) sensor absolute 37-megapixels.4 In 2010, Pentax appear the 40MP 645D average architecture DSLR with a 44 × 33 mm (1.7 × 1.3 in) sensor.
As of June 2009, best consumer-level SLRs use sensors about the admeasurement of a anatomy of APS-C film, with a crop agency of 1.5-1.6. A notable barring is the Four Thirds System of cameras, mostly fabricated by Olympus and Panasonic, which use abate sensors with a crop agency of 2.0. Some able DSLRs use full-frame sensors, according to the admeasurement of a anatomy of 35 mm film. Many altered agreement are acclimated in business and anecdotic these sensor formats, including the following:
Full-frame agenda SLR format, with sensor ambit about according to those of 35 mm blur (36 × 24 mm)
Canon's APS-H architecture for accelerated pro-level DSLRs (crop agency 1.3)
Leica's M8 and M8.2 sensor (crop agency 1.33).
APS-C refers to a ambit of similarly-sized formats, including
Nikon DX format, Pentax, Konica Minolta/Sony α, Fuji (crop agency 1.5)
Canon entry-level DSLR formats (crop agency 1.6)
Foveon X3 architecture acclimated in Sigma SD-series DSLRs (crop agency 1.7)
Four Thirds System architecture (crop agency 2.0)
Production costs for a abounding anatomy sensor can beat twenty times the costs of an APS-C sensor. Only about thirty full-frame sensors can be produced on an 8 inches (20 cm) silicon dent that would fit 112 APS-C sensors, and there is a cogent abridgement in crop due to the ample breadth for contaminants per component. Additionally, the abounding anatomy sensor requires three abstracted exposures during the photolithography stage, which requires abstracted masks and affection ascendancy steps. The APS-H admeasurement was called aback it is the better that can be beheld with a distinct affectation to advice ascendancy assembly costs and administer yields.1
Due to the ever-changing constraints of semiconductor artifact and processing, and because camera manufacturers generally antecedent sensors from third-party foundries, it is accepted for sensor ambit to alter hardly aural the aforementioned nominal format. For example, the Nikon D3 and D700 cameras' nominally full-frame sensors absolutely admeasurement 36 × 23.9 mm, hardly abate than a anatomy of 35 mm film. As addition example, the Pentax K200D's sensor (made by Sony) measures 23.5 × 15.7 mm, while the ancillary K20D's sensor (made by Samsung) measures 23.4 × 15.6 mm.
Most DSLR angel sensor formats almost the 3:2 aspect arrangement of 35 mm film. Again, the Four Thirds System is a notable exception, with an aspect arrangement of 4:3 as apparent in best bunched agenda cameras (see below).
Medium-format DSLR
The best accepted sensor admeasurement for medium-format agenda cameras is about 48 × 36 mm (1.9 × 1.4 in)citation needed, due to the boundless use of Kodak's 22-megapixel KAF-22000 and 39-megapixel KAF-390002 CCDs in that format. Phase one offers the P65+ agenda aback with Dalsa's 53.9 × 40.4 mm (2.12 × 1.59 in) 16-bit sensor absolute 60.5 megapixels3 and Leica offers an "S-System" DSLR with a 45 × 30 mm (1.8 × 1.2 in) sensor absolute 37-megapixels.4 In 2010, Pentax appear the 40MP 645D average architecture DSLR with a 44 × 33 mm (1.7 × 1.3 in) sensor.
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