%> dBlog
Nuova lente e nuovo flash da Canon
Di mauro (del 23/08/2004 @ 10:55:24, in Canon, linkato 1607 volte)

Canon EF-S 17 - 85 mm & EF-S 10 -22 mm

Sicuramente diciamo che una ottica che parte con un 10mm, anche con un fattore 1,6 e' un gran bel grandangolo f3.5/4.5 USM (circa 16-35mm equiv). Sembrava penalizzante per canon la dimensione del sensore, rispetto ad altre case come nikon, ma questa e' una gran risposta. Innesto EF-S quello della 300D e soprattutto della nuova 20D.

Si prepara un grande autunno per canon (e lo dice uno che non e' certamente un "canonista")

bye

 


Canon EF-S 17 - 85 mm IS USM


Canon EF-S 10 - 22 mm USM
Price EU: €649
US: $599 		EU: €899
US: $799
Image size APS-C APS-C
Focal length 17 - 85 mm 10 - 22 mm
35 mm FOV 27 - 136 mm equiv. 16 - 35 mm equiv.
Construction 17 elments in 12 groups 13 elements in 10 groups
Diaphragm 6 blades 6 blades
Maximum aperture F4.5 - F5.6 F3.5 - F4.5
Minmum aperture F22 - F32 F22 - F27
Closest focus 0.35 m 0.24 m
Max magnification 0.20x (at 85 mm) 0.17x (at 22 mm)
Distance information Yes Yes
Image stabilizer 3-steps No
AF actuator USM with full-time manual focus USM with full-time manual focus
Filter diameter 67 mm 77 mm
Dimensions 78.5 x 92 mm (dia x len) 83.5 x 89.8 mm (dia x len)
Weight 475 g 385 g

 

 

Canon Speedlite 580EX

E' un flash che quando collegato ad una digitale canon e' in grado di scambiare con essa informazioni sulle dimensioni del sensore della pellicola, in modo di adattarsi al meglio ed a sua volta trasmette informazioni sulla temperatura colore in modo da permettere alla camera un perfetto bilanciamento del bianco.


Price EU: €499
US: $479
Flash type Clip-on, E-TTL/TTL autoflash Speedlite with built-in zoom, bounce, AF-assist beam, and wireless function.
Compatible cameras All EOS cameras (flash metering system may differ depending on the
camera)
E-TTL autoflash (Type-A cameras): enabled with all EOS cameras from the EOS 50/50E onward (except EOS 3000)
* E-TTL II autoflash will apply to EOS 20D, EOS 300X, EOS-1D Mark II, and
EOS 30V Date/ 33V.
TTL autoflash (Type-B cameras): enabled with all other EOS cameras.
Normal flash guide no.
(ISO 100)

@ 14mm - 15 m
@ 24mm - 28 m
@ 28mm - 30 m
@ 35mm - 36 m
@ 50mm - 42 m
@ 70mm - 50 m
@ 80mm - 53 m
@ 105mm - 58 m

Flash coverage Auto zoom, Manual Zoom, Wide panel
Picture size zoom control When the Speedlite is attached to an EOS camera (from EOS-1D Mark II onwards), the flash head will move to position according to suit the camera’s picture size. (based on Full-size, H-Size, C-size picture).
Bounce flash Vertical bounce: 0-90° upward, 0-7° downward
Horizontal bounce: 0-180° to the left and right.
Flash modes 1) Normal flash; 2) Quick flash; 3) High-speed sync (FP flash); 4) Stroboscopic flash: 41 flash frequency settings, 31 firing settings; 5) Test flash: With test firing button; 6) Modelling flash: Fired with the depth-of-field preview button of all Canon Digital SLR cameras (from EOS D30 onwards), and EOS –1V, 3, 30V Date/ 33V, 300X, 300V; 7) Manual
Flash metering control 1) Automatic
2) Manual compensation with the Speedlite 580EX; up to +/- 3 stops in 1/3 or 1/2-stop increments
3) Manual compensation with the camera
FEL (Flash Exposure Lock) Yes
FEB (Flash Exposure Bracketing) Yes
Exposure confirmation OK: Flash exposure confirmation lamp lights in green for 3 sec. after the flash is fired.
No good: Lamp does not light.
Shutter Curtain Synchronization 1st-curtain or 2nd-curtain synchronization can be set
Flash duration Normal flash: 1.2ms or shorter
High-speed sync (FP flash): 2.55ms or shorter
Color temperature information transmission For optimal white balance the Speedlite automatically transmits the flash’s color temperature information to compatible D-SLR cameras (from EOS-1D Mark II onwards)
Film Speeds ISO 6-6400 is set automatically by the camera; the effective flash range shifts according to the film speed.
AF-assist beam Linked to 45, 9, 7, 3 or center AF-points, depending on the EOS camera in use.
Illuminated LCD display Turns on for 12 sec. When the illumination button is pressed
Wireless transmission system Optical pulse, between master and slave unit, including 4 channels.
3 slave groups possible
Custom Functions 14 user-settable Custom Functions available
Power sources Internal power sources: 4 AA-size alkaline (6V) or Ni-MH (4.8V)
External power sources: compact battery pack CP-E3, fits 8 AA-size alkaline (12V), Ni-MH (9.6V) or lithium (12V) batteries.
High voltage pack E315.
Camera connections 1) Fixed: hot shoe with locking collar
2) PC terminal: Direct contacts
3) Dedicated, 3 pin, external power source socket
Mode memory Yes
Dimensions 76 x 134 x 114 mm
Weight (no batts) 100 g
Accessories Soft case (included), compact battery pack CP-E3, Speedlite bracket SB-E1, Speedlite transmitter ST-E2, wired multi-Speedlite accessories (optional)