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Cyclops Optics

QHY5-III 178M Mono + Free Shipping + Free LensPen

HK$3,290.00 HK$3,150.00
(You save HK$140.00)

QHY5-III 178M Mono + Free Shipping + Free LensPen

HK$3,290.00 HK$3,150.00
(You save HK$140.00)
Shipping Weight:
1.50 KGS
In stock now! Typically ships in 24 hours
Calculated at checkout

Product Description


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-178 is a 1/1.8 inch back-side illuminated (BSI) CMOS sensor with a whopping 6.3 megapixels (3072x2048) each of 2.4µm size with rolling shutter. The maximum capturing speed is 50 frames per seconds at full resolution. The small pixel size combined with the relatively fast capturing speed makes this a great planetary camera and deep sky camera for small angular size objects. 

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. 


  • QHY5-III 178 Colour / 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


  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 150 FPS 120 FPS

262 FPS @ 960 x 600
490 FPS @ 480 x 300

100FPS @ 1528 x 1024
190FPS @ 764 x 512
300FPS @ 640 x 480
557FPS @ 320 x 240
220FPS @ 960 x 540
660FPS @ 480 x 270
Pixel Size 5.86 µm 2.4 µm 3.75 µm 2.9 µm
Peak QE 78% To be determined TBD TBD

Cyclops Optics Special Guarantee

Ever worrying about the availability of the 5 pin LEMO to ST4 autoguiding cable? Cyclops Optics has your back. The cable is so robust that we are confident to offer our customers 5 years warranty on the cable. Shall the cable fails, we will offer you a one-to-one replacement, no question asked. For international customers, registered air mail is optional.

The camera is backed by 1 year limited warranty.