L-208  TWINMATE
 Наличност: не 
 
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Compact and lightweight analog incident/reflected shoe mount meter.   		  
 
   
   
  • Compact and light. Ideal for one-handed operation or can be attached to your camera's hot-shoe - or bracket - using the included accessory shoe adapter
  • Perfect for beginners, or as a compact ambient backup meter
  • 30-seconds to 1/8000th, f/1.4 to f/32 in half-stop increments
  • ISO 12 to 12500 in half-stop increments
  • EV3 to EV17 in both incident and reflected modes at ISO 100
  • 'Hold-and-Read' mode locks readings for 15-seconds, allows for extended exposure evaluation time
  • 33-degree acceptance angle in reflected mode
  • Fits in your pocket, weighs only 1.5 ounces (40g) (w/o battery)
  • Includes Strap, Carrying Case, CR2032 Lithium Battery and Accessory Mounting Shoe
  • 1-Year Warranty, extendable at no charge to 3 years total (USA only) after registration, backed by our outstanding customer support team
 
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Specifications:
    
Technical Specifications
     
Type: Analog exposure meter for ambient light 
    
Light receiving method: Incident light and reflected light     
Incident light: Sliding Lumisphere     
Reflected light: Light receiving angle 33°
    
Light receptor element: Silicon photo diode
    
       
Measuring Range (ISO 100)
      
Ambient light:
 Incident light EV 3 to EV 17 Reflected light EV 3 to EV 17 (with 33° angle)
    
Calibration Constant:
 Incident light metering: Lumisphere C = 340     

Reflected light metering: K = 12.5     
       
Display Range
      
Film speed:
 ISO 12 to 12500 (in 1/2 steps)
   
Shutter Speeds: Ambient light: 30 seconds to 1/8000 seconds (in 1 stop) plus 1/5, 1/10, 1/125, 1/50, 1/100, /200, 1/400, 1/800
    
Aperture:
 f/1.4 to f/32 (in 1, 1/3 stop)     
Light Receptors
 EV 3 to EV 17 (in 1, 1/2 stop)
    
       
Other features
      
Battery used: Type:
 One CR2032 battery (3V Lithium dry cell)
    
Operating temperature range:
 32° to 104° F (0° to 40° C)     
Storage temperature range:
-4° to 140° F (-20° to 60° C)     
Dimensions:
 1.8"W x 2.6"H x 1.0"D (45mmW x 65mmH x 24mmD)
   
         

 

Aperture

F0.5 to 90.9 in 1, 1/2, 1/3 steps