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HDR = High Dinamic Range Una tecnica che consiste nel sovrapporre più immagini realizzate con esposizioni (bracketing tradizionalmente). Si può procedere in modo manuale con programmi di fotoritocco ottenendo effetti davvero singolari. Ci sono però programmi che consentono di ottenere in modo automatico il mix delle immagini riprese possibilmente con stativo: il risultato è meno esaltante ma talvolta, comunque singolare. Questo secondo metodo è il mio approccio al procedimento HDR e voglio proporre qualche risultato. 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Nikkor 17-35 F/2.8 AF-S Exposure time [s]: 1/30 - 1/8 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: -1,0 F-Number: F22,0 Max. aperture: F2,8 Focal length [mm]: 17 35mm focal length [mm]: 17 ISO value: 100 Shutter speed [s]: 1/30 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: HDR with 2 shots 2010: movement D700 - Nikkor 17-35 F/2.8 AF-S d:\lavitaintorno\DL7_1615.jpg Exposure time [s]: 1/25 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: -0,33 F-Number: F22,0 Max. aperture: F2,8 Focal length [mm]: 17 35mm focal length [mm]: 17 ISO value: 200 Shutter speed [s]: 1/25 - 1/13 Flash: Not fired Metering mode: Multi-segment White balance: Auto Speciale: HDR with 2 shots 2010: ghiaccio sul Maè D700 - Nikkor 300 F/4 IF ED AF-S d:\lavitaintorno\DL7_0965.jpg Exposure time [s]: 1/2,5 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F16,0 Max. aperture: F4 Focal length [mm]: 300 35mm focal length [mm]: 300 ISO value: 100 Shutter speed [s]: 1/2 Flash: Not fired Metering mode: Multi-segment White balance: Auto Height: 1379 m. 2010: Nuovo anno sul Maè D700 - Nikkor 24-70 F/2.8G AF-S Exposure time [s]: 1/3 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F22,0 Max. aperture: F2,8 Focal length [mm]: 24 35mm focal length [mm]: 24 ISO value: 100 Shutter speed [s]: 1/3 Flash: Not fired Metering mode: Multi-segment White balance: Auto 2008: never tired to play D300 - Nikkor 18-200 F/3.5-5.6 AF-S VR Exposure time [s]: 1/1600 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: -0,33 F-Number: F5,0 Max. aperture: F3,5 Focal length [mm]: 18 35mm focal length [mm]: 27 ISO value: 200 Shutter speed [s]: 1/1600 Flash: Not fired Metering mode: Multi-segment White balance: Auto 2008: elleboro nero D200 - Nikkor 300 F/4 IF ED AF-S Exposure time [s]: 3 differents shots Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F5,6 Focal length [mm]: 300 35mm focal length [mm]: 450 ISO value: 250 Max. aperture: F4 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: HDR with 3 shots 2007: old house D200 - Nikkor 12-24 F/4 AF-S Dx Exposure time [s]: 1/160 - 1/320 - 1/80 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 / -1,0 / 1,0 F-Number: F6,3 Focal length [mm]: 12 35mm focal length [mm]: 18 ISO value: 100 Max. aperture: F4 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: HDR with 3 shots 2007: tree D200 - Nikkor 17-35 F/2.8 AF-S Exposure time [s]: 1/1000 - 1/2000 - 1/500 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 / -1,0 / +1,0 F-Number: F4,0 Focal length [mm]: 24 35mm focal length [mm]: 36 ISO value: 100 Shutter speed [s]: 1/1000 Aperture: F4 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: auto HDR 2007: lungo il sentiero #2 D200 - Nikkor 105 F/2.8 VR AF-S Exposure time [s]: 1/10 - 1/20 - 1/40 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 1,0 / 0,0 / -1,0 F-Number: F5,6 Focal length [mm]: 105 35mm focal length [mm]: 157 ISO value: 100 Shutter speed [s]: 1/10 Aperture: F5,6 Max. aperture: F3,2 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: auto HDR 2007: lungo il sentiero D200 - Nikkor 105 F/2.8 VR AF-S Exposure time [s]: 1/4 - 1/15 - 1/8 - 1/2 - 1 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 / -2,0 / -1,0 / 1,0 / 2,0 F-Number: F18,0 Focal length [mm]: 105 35mm focal length [mm]: 157 ISO value: 100 Shutter speed [s]: 1/8 Aperture: F18 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: auto HDR 2007: sentiero #3 D200 - Nikkor 70-200 F/2.8 AF-S VR Exposure time [s]: 1/40 - 1/80 - 1/20 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 / -1,0 / +1,0 F-Number: F22,0 Focal length [mm]: 17 35mm focal length [mm]: 25 ISO value: 100 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: auto HDR 2007: sentiero #2 D200 - Nikkor 70-200 F/2.8 AF-S VR Exposure time [s]: 1/180 - 1/350 - 1/90 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 / -1,0 / +1,0 F-Number: F6,3 Focal length [mm]: 200 35mm focal length [mm]: 300 ISO value: 100 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: auto HDR 2007: sentiero D200 - Nikkor 70-200 F/2.8 AF-S VR Exposure time [s]: 1/400 - 1/750 - 1/180 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 / -1,0 / +1,0 F-Number: F6,3 Focal length [mm]: 70 35mm focal length [mm]: 105 ISO value: 100 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: auto HDR 2007: vecchio trattore quanto tempo è passato ... #3 D200 - Nikkor 70-200 F/2.8 AF-S VR Exposure time [s]: 1/80 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F13,0 Focal length [mm]: 110 35mm focal length [mm]: 165 ISO value: 400 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto 2007: vecchio trattore quanto tempo ... D200 - Nikkor 70-200 F/2.8 AF-S VR Exposure time [s]: 1/80 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F13,0 Focal length [mm]: 82 35mm focal length [mm]: 123 ISO value: 400 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto 2007: risveglio in collina D200 - Nikkor 17-35 F/2.8 AF-S Exposure time [s]: 1/40 Exposure program: Aperture priority Exposure mode: Auto Exposure bias [EV]: -1,0 F-Number: F20,0 Focal length [mm]: 20 35mm focal length [mm]: 30 ISO value: 100 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: HDR with 3 shots 2007: Fontane Bianche di Sernaglia #2 D200 - Nikkor 17-35 F/2.8 AF-S Exposure time [s]: 1/500 Exposure program: Normal Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F11,0 Focal length [mm]: 17 35mm focal length [mm]: 25 ISO value: 1100 Shutter speed [s]: 1/500 Aperture: F11 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: HDR with Photomatix 2007: Fontane Bianche di Sernaglia D200 - Nikkor 17-35 F/2.8 AF-S Exposure time [s]: 1/500 Exposure program: Normal Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F11,0 Focal length [mm]: 19 35mm focal length [mm]: 28 ISO value: 1100 Shutter speed [s]: 1/500 Aperture: F11 Max. aperture: F2,8 Flash: Not fired Metering mode: Multi-segment White balance: Auto Special: HDR with Photomatix 2007: sul Grappa #2 D200 - Nikkor 12-24 F/4 AF-S Dx Exposure time [s]: 1/400 Exposure program: Normal Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F10,0 Focal length [mm]: 12 35mm focal length [mm]: 18 ISO value: 100 Max. aperture: F4 Flash: Not fired Metering mode: Multi-segment White balance: Auto 2007: sul Grappa D200 - Nikkor 12-24 F/4 AF-S Dx Exposure time [s]: 1/320 Exposure program: Normal Exposure mode: Auto Exposure bias [EV]: 0,0 F-Number: F9,0 Focal length [mm]: 12 35mm focal length [mm]: 18 ISO value: 100 Max. aperture: F4 Flash: Not fired Metering mode: Multi-segment White balance: Auto