Come sono le Sigma?

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Inviato il 25 Marzo 2007, 21:50:27


Messaggi: 16

Ciao a tutti, volevo chiedere a chi ha più esperienza di me nel campo della fotografia come sono le fotocamere della Sigma. Sento sempre parlare di marche più famose ma di questa marca si parla molto poco. Che mi dite al riguardo?

Inviato il 27 Aprile 2007, 11:25:23


Messaggi: 5

Logicamente dipende dal modello, sono molto professionali.

Questa la scheda per la SD14

Format    AF / AE Digital SLR Camera
Storage Media    CompactFlash (Type I/II), Microdrive; (FAT32 compatible)
Image Sensor Size    20.7 X 13.8mm
Lens Mount    SIGMA SA bayonet mount
Compatible Lenses    SIGMA SA mount interchangeable lenses
Angle of View    Equivalent to approx 1.7x the focal length of the lens (for 35mm cameras)
Image Sensor    Foveon X3® direct image sensor?CMOS?
Number of Pixels    (Effective pixels) 14.06 MP (2,652 X 1,768 X 3)
Aspect Ratio    3 : 2
Still Image Format    Exif2.21,DCF2.0
Image Recording Format    Lossless compression RAW data (12-bit), JPEG (Super High, High, Medium, Low)
Capture File Size    
RAW    High    13.3MB (2640 X 1760)
   Medium    6.6MB (1776 X 1184)
   Low    3.3MB (1296 X 864)
JPEG    Super High    Fine?Approx 7.5MB (4608 X 3072)
Normal?Approx 4.6MB (4608 X 3072)
Basic Approx 3.2MB (4608 X 3072)
   High    Fine?Approx 3.3MB (2640 X 1760)
Normal?Approx 1.9MB (2640 X 1760)
Basic?Approx 1.3MB (2640 X 1760)
   Medium    Fine?Approx 1.6MB (1776 X 1184)
Normal?Approx 0.9MB (1776 X 1184)
Basic?Approx 0.6MB (1776 X 1184)
   Low    Fine?Approx 0.8MB (1296 X 864)
Normal?Approx 0.5MB (1296 X 864)
Basic?Approx 0.3MB (1296 X 864)
Continuous shooting speed    3 frames?second

Maximum number of frames for continuous shooting
   High?6 frames Medium?12 frames Low?24 frames
Interfaces    USB (USB2.0), Video Out (NTSC/PAL)
White Balance    8 types (Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash and Custom)
Viewfinder    Pentaprism SLR viewfinder
Viewfinder Frame Coverage    98% vertical, 98% horizontal
Viewfinder Magnification    0.9 x (50mm F1.4-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 (ISO100)
Focus Mode    Single AF, Continuous AF (with AF motion prediction function), Manual
Metering Systems    8 segment Evaluative Metering, Center Metering, Center-Weighted Average Metering
Metering Range    EV 1 to 20 (50mm F1.4?ISO100)
Exposure Control System    (P) Program AE (Program Shift is possible), (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual
ISO Sensitivity    Equivalent to ISO 100, 200, 400, 800 and1600
Exposure Compensation    ±3EV (in 1/3 steps)
Auto Bracketing    3 different exposure levels: Appropriate, Under Exposure, and Over Exposure, in 1/3EV steps up to ±3EV
Shutter Type    Electronically controlled focal plane shutter
Shutter Speed    1/4000 – 30 sec. + bulb (up to 30 sec.)
External Flash Synchronization    Hot shoe (contact X synchronization at 1/180 sec. or less, with dedicated flash linking contact)
Built-in flash    Guide Number of 11, coverage 17mm focal length
LCD Monitor    2.5", low-temperature polysilicon TFT color LCD monitor, approx. 150,000 pixels
Coverage area 100% with white LED backlight
Reviewing Images    Single frame display, Multi display [9 frames], Zoom, Slide Show
LCD Monitor Language    Chinese / English / French / German / Italian / Japanese / Korean / Spanish
Power Source    Li-ion Battery Pack BP-21, Battery Charger BC-21, AC adapter (optional)
Dimensions    144mm/5.7"(W) X 107.3mm/4.2"(H) X 80.5mm/3.2"(D)
Weight    700g/24.7oz (without batteries)
* Product external appearance, specification, etc. may change without notice to allow for improvements.

Inviato il 27 Aprile 2007, 11:25:23
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