note Text as well as images often is very useful when asking questions on recommendations
4MP vs 4K on the main sensors, check the sensor size.
NightChromaTM NCT425 - 2-in-1 Dual Lens PTZ Security IP Camera, 3D Position, Acme Color Night Vision (0.001 Lux), 25X Optical Zoom, Smart Detection,
4MP Resolution
SKU: AU-I81EL0102
$599.99
Image Sensor[Bullet channel]:
1/3" Progressive Scan CMOS;
[PTZ channel]:
1/2.8" progressive scan CMOS
Lens[Bullet channel]: 2.8
[email protected];
[PTZ channel]: 4.8 to 120
[email protected], 25 × optical, 16 × digital
FOV[Bullet channel]: Horizontal : 96.1°, Vertical : 52.1°,Diagonal : 113.3°;
[PTZ channel]: Horizontal : 55° to 2.4° (wide-tele), Vertical : 33° to 1.4° (wide-tele), Diagonal : 61.5° to 2.8° (wide-tele)
CZ825X -
4K 25X Optical Zoom PoE+ (802.3at) PTZ Speed Dome Security Camera, IK10 Vandal-Resistant, 5.9-147.5 mm Lens, Smart Detection, 660 ft Color Night Vision, Audio & Visual Alarm
SKU: AU-I91BW0102
$1,299.99
Maximum Resolution 3840 × 2160
Image Sensor
1/1.8" progressive scan CMOS
Minimum Illumination Color: 0.005 lux @ (ƒ/1.5, AGC on),
B/W: 0.001 lux @ (ƒ/1.5, AGC on), 0 lux with IR
Shutter Speed 1/1 s to 1/30000 s
Slow Shutter Yes
Day/Night IR-cut filter
Zoom 25X Optical, 16X Digital
Focal Length 5.9 mm to 147.5 mm