Product Description
Product Description
  DT-TW21 is a high-performance digital day/night  scope made by Detyl Optoelectronics Co., Ltd. in accordance with the development trend of sighting It has the characteristics of low illumination adaptability, high imaging quality, high precision, dual-use day and night, high multiplier, light weight, high cost-effective and so on.
  | project | specification | 
| volume:mm | 88x38x70(handheld) 88x38x82(head-mounted) 88x43x78(plug-in) | 
| Weight:g(exclude battery) | 140(handheld) 144(head-mounted) 92(plug-in) | 
| battery: | CR123(A)x1 2.4~4.2V | 
| battery life:H | 3.5-4.5 | 
| waterproofing grade | IP67 | 
| compatibility | PVS31 PVS14 NVG18 DTS31 DTS35 DTG18 DTNH9 DTS13 | 
| multifunction | handheld head-mounted Back clip external | 
| Type of sensor | unrefrigerated long wave infrared thermal radiometer | 
| Detector resolution | 384x288 | 
| Applicable wavelength:um | 8-12um | 
| amplification factor: | X 1.2 (handheld/head-mounted) X 1.0 (plug-in) | 
| field of view:FOV | 32degree(plug-in) 36degree(handheld/head-mounted) Center of circle | 
| focal distance of objective: | fixed-focus | 
| Objective aperture: | F1.0 | 
| luminance: | adjustable | 
| focussing distance: | 250mm~∞ | 
| image model: | White heat/black heat/green bottom/red/hook edge |