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QHY5-III is a third generation QHYCCD USB3.0 camera utilising state of the art CMOS sensor with sophisticated thermal design in a compact form. The well acclaimed 1.25" eyepiece barrel design is retained and with grooved heatsink to enhance passive cooling. 

Sony IMX-174 is a 1/1.2 inch CMOS sensor with 2.3 megapixels (1920x1200) each of 5.86µm size with global shutter. The maximum capturing speed is 138 frames per seconds. The peak quantum efficiency of the sensor is 78%, 4% higher than the previous QHY5L-II-M's 74% yet offering 87.5% more pixels on 150% larger sensor area.

Apart from the state of the art sensor, the QHY5-III is equipped with aerospace grade guiding port, i.e. the 5 pin LEMO port which provides highly reliable connection. This is a feature only available on premium camera where manufacturers really care about its customers. 

Includes

• QHY5-III 174 Mono x1
  
  
  
  • 1.25" extension tube x1
    
    
    
    • C mount adapter x1
      
      
      
      • Parfocal ring x1
        
        
        
        • 1.5m USB3 cable x1
          
          
          
          • 1.5m 5pin LEMO to ST-4 cable x1
          
          
          
          
        
        
        
        
      
      
      
      
    
    
    
    
  
  
  
  

Specifications

	QHY5-III 174M	QHY5-III 178	QHY5-III 224	QHY5-III 290
CMOS sensor	IMX174	IMX178 (BSI)	IMX224	IMX290 (BSI)
Full resolution	1920 x 1200	3072 x 2048	1280 x 960	1920 x 1080
Sensor size	1/1.2 inch	1/1.8 inch	1/3 inch	1/2.8 inch
Max FPS on full res	138 FPS	50 FPS	130 FPS	130 FPS
Max FPS on 640 x 480	TBA	TBA	TBA	TBA
Pixel Size	5.86 µm	2.4 µm	3.75 µm	2.9 µm
Peak QE	78%	TBA	TBA	TBA