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Comparison Hikmicro Falcon FQ35 vs Hikmicro Falcon FH35

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Hikmicro Falcon FQ35
Hikmicro Falcon FH35
Hikmicro Falcon FQ35Hikmicro Falcon FH35
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from £1,798.07 
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Main
Connection to a mobile application via Wi-Fi, USB type C (CVBS support), calculation of the distance to the object, the ability to install on a tripod.
Connection to a mobile application via Wi-Fi, USB type C (CVBS support), calculation of the distance to the object, the ability to install on a tripod.
Typethermal imagerthermal imager
Form factormonocularmonocular
Detection range1800 m1800 m
Optical specs
Optical magnification1.82 x3.03 x
Digital magnification8 x8 x
Focal length35 mm35 mm
Receiver resolution640x512 px384x288 px
Refresh rate50 Hz50 Hz
Field of view at 100 m22 m13.2 m
Angular field of view12.54 °7.53 °
Min. focus distance3.5 m3.5 m
Diopter adjustment
More features
More features
video output /USB-CVBS, Wi-Fi hotspot/
built-in video recorder
switching monitoring modes
dust-, waterproof /IP67/
shockproof
video output /USB-CVBS, Wi-Fi hotspot/
built-in video recorder
switching monitoring modes
dust-, waterproof /IP67/
shockproof
General
Power source1865018650
Continuous operating time5 h7 h
Operating temperature range-30 °C ~ +55 °С-30 °C ~ +55 °С
Dimensions190x58x65 mm190x58x65 mm
Weight505 g505 g
Added to E-Catalogapril 2023april 2023

Optical magnification

The degree of image magnification that a night vision device is able to provide without digital image processing, solely due to the optical system. Such an increase is considered to be preferable to digital, because. it does not impair the clarity of the visible image; and for models based on image intensifier tubes (see "How it works"), this is generally the only available option.

Theoretically, the higher the magnification, the greater the detection range (see above), since a powerful increase allows you to see smaller objects. However, it does not always make sense to chase the maximum performance. The fact is that with increasing magnification, the angular field of view decreases and the minimum focus distance increases (see both below), which can create problems at close range. It is also worth noting that a high degree of magnification adversely affects the luminosity of the entire system — as a result, the actual detection range in complete darkness may be higher for a device with a lower magnification, because. it "catches" more light. Yes, and this parameter affects the cost accordingly.

Note that night vision devices, unlike classical binoculars and monoculars, most often have a fixed magnification. Models with the possibility of smooth adjustment are almost never found, and the only option is to use additional nozzles (see "Form factor").

Now on the market are night vision devices with the following optical zoom: 1x, 2 – 3x, 3.1 – 4x, > 4x

Receiver resolution

Resolution of the matrix installed in the thermal imager (see "Type") or digital night vision device (see "Operation principle"). Usually indicated in pixels horizontally and vertically, for example 640x480.

On the one hand, the higher the resolution, the clearer and more detailed the image will be. On the other hand, increasing the resolution without changing the size of the matrix means that less light will fall on each pixel — and this negatively affects the detection range (see above) and leads to the appearance of noise. Therefore, the resolution of receivers in modern night vision devices is small — in terms of the usual megapixels, it rarely exceeds 0.3 megapixels. And it hardly makes sense to unambiguously compare different models in terms of this parameter — after all, the actual quality of work also largely depends on the size of the receiver, signal processing features, etc.

Field of view at 100 m

The size of the area visible in the night vision device from a distance of 100 m — in other words, the largest distance between two points at which they can be seen simultaneously from this distance. It is also called "linear field of view". Along with the angular field of view (see below), this parameter characterizes the space covered by the optics; at the same time, it more clearly describes the capabilities of a particular model than data on viewing angles.

Angular field of view

The angle of view provided by a night vision device — that is, the angle between the lines connecting the observer's eye with the two extreme points of visible space. Wide viewing angles allow you to cover a large area, but the magnification factor (see above) is low; in turn, increasing the magnification leads to a decrease in the field of view.

Continuous operating time

The longest time that the device is able to work continuously from fresh batteries without replacing / recharging them. It should be taken into account that manufacturers usually indicate this time for perfect conditions: high-quality batteries, low brightness of the visible image, operation without the use of IR illumination, video output and video recorder (if available, see "Additional"), optimal operating temperature (see below) ) etc. Therefore, in fact, the time of continuous operation may well be lower than stated. Nevertheless, this parameter makes it possible to both evaluate the battery life of individual devices and compare them with each other.
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