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Night vision · LIEMKE

LIEMKE Keiler-2

Specifications

Type
Monocular
Technology
Thermal
Sensor
640 × 512
Display
1,024 × 768
NETD
50 mK
Pixel pitch
12 µm
Objective
50 mm
Magnification
2.7–14×
Field of view at 100 m
15.4 m
Detection (manufacturer)
2,500 m
Battery life
9 h
Protection rating
IP67
Photo/video
Yes
Weight
510 g (18 oz)
Length
163 mm (6.42 in)
  • liemke.com — product page LIEMKE KEILER-2 | KEILER-2 | 80113545

Legal position by country

For night-vision and thermal devices the legal position often depends on the type. For each country, this shows what applies to this device’s type (Monocular) — with the wording, the legal reference and when it was checked. What applies in a given case depends on the country, the permits held and the use.

prohibited
Possession is prohibited; at most an individual exemption from a central authority remains.
only with a permit or exemption
Allowed with a firearms license, for certain purposes (such as hunting or sport) or with an official exemption — the wording says which.
not covered by firearms law
The country’s firearms act does not mention the item (for magazines: below the limit). Hunting, state or provincial law may still regulate it.
not surveyed
There is no checked statement for this country. That is not a clearance.

United States (federal law) not covered by firearms law

Federal law does not list night-vision or thermal devices in any possession category (18 U.S.C. § 921, 26 U.S.C. § 5845). Export and transfer to foreign persons may be subject to export controls (22 CFR 121.1 Cat. XII(c)). State law differs, including for hunting.

Legal reference: 18 U.S.C. § 921, 26 U.S.C. § 5845; 22 CFR 121.1 Cat. XII(c) · Checked 10/2026 · GCA/NFA and your authority have the final say.

Canada only with a permit or exemption

Firearms law does not list night-vision or thermal devices. If a device is a controlled good (for example one under US export controls), even possessing it without registration is prohibited (Defence Production Act s. 37(1)). Hunting is governed by provincial law.

Legal reference: Defence Production Act s. 37(1) · Checked 10/2026 · Defence Production Act and your authority have the final say.

Other countries

Germany not covered by firearms law

Night-vision devices and night sights with a mounting device for guns (Schusswaffen), and night-vision front and rear clip-ons for aiming aids, are prohibited if they have an image converter or electronic amplification (WaffG Anl. 2 Abschn. 1 Nr. 1.2.4.2). The provision does not mention an observation device without a mounting device for a gun.

Legal reference: WaffG Anl. 2 Abschn. 1 Nr. 1.2.4.2 · Checked 10/2026 · WaffG and your authority have the final say.

Austria not covered by firearms law

The weapons act does not mention night-vision or thermal devices. Optronic devices specially developed for military use count as war material (§ 18 Abs. 1 WaffG 1996 i.V.m. § 1 Art. I Z 8 KMV). Use when hunting is governed by the hunting act of the federal state.

Legal reference: § 18 Abs. 1 WaffG 1996 i.V.m. § 1 Art. I Z 8 KMV · Checked 10/2026 · WaffG 1996 and your authority have the final say.

Switzerland not covered by firearms law

As a weapon accessory, the weapons act names only night-vision sights (Art. 4 Abs. 2 lit. b WG); it does not mention an observation device that is not mounted on the weapon. When hunting, night-vision sights and device combinations with a comparable function are prohibited, and the canton may prohibit further aids (Art. 2 Abs. 1 lit. e und Abs. 3 JSV).

Legal reference: Art. 4 Abs. 2 lit. b WG; Art. 2 Abs. 1 lit. e und Abs. 3 JSV · Checked 10/2026 · WG and your authority have the final say.

Poland not covered by firearms law

The weapons act does not mention night-vision or thermal devices. When hunting, as a rule only optical devices are allowed in which the image is formed in natural light and not processed electronically; binoculars used for observation are exempt – the provision does not say whether this also covers electronic binoculars (§ 4 ust. 1 i 2 rozp. MŚ z 23.03.2005). For night hunting of certain species, night-vision and thermal sights are permitted, as are night-vision or thermal observation devices (§ 4 ust. 1a, § 7 ust. 1 pkt 1 rozp. MŚ z 23.03.2005).

Legal reference: § 4 ust. 1 i 2 rozp. MŚ z 23.03.2005; § 4 ust. 1a, § 7 ust. 1 pkt 1 rozp. MŚ z 23.03.2005 · Checked 10/2026 · rozp. MŚ z 23.03.2005 and your authority have the final say.

Czechia not covered by firearms law

The weapons act does not mention night-vision or thermal devices. The hunting act allows certain species to be shot at night only with suitable observation and shooting optics (§ 45 odst. 1 písm. l) z. č. 449/2001 Sb.).

Legal reference: § 45 odst. 1 písm. l) z. č. 449/2001 Sb. · Checked 10/2026 · z. č. 449/2001 Sb. and your authority have the final say.

Estonia not covered by firearms law

The weapons act only regulates the night sight – a device for aiming in poor light with an image converter or electronic amplification (RelvS § 20¹ lg 5); it does not mention an observation device. When hunting, night sights and artificial light sources are prohibited (JahiS § 24 lg 4 p 5 ja 7); the hunting act does not mention an observation device, nor does it say whether an infrared illuminator counts as an artificial light source.

Legal reference: RelvS § 20¹ lg 5; JahiS § 24 lg 4 p 5 ja 7 · Checked 10/2026 · RelvS and your authority have the final say.

Lithuania not covered by firearms law

The weapons act only regulates night sights – electronic devices attached to the weapon and intended for aiming (GŠKĮ 2 str. 47 d.); it does not mention an observation device. When hunting, night observation devices are expressly permitted (Medžioklės įstatymas 15² str. 9 p.).

Legal reference: GŠKĮ 2 str. 47 d.; Medžioklės įstatymas 15² str. 9 p. · Checked 10/2026 · GŠKĮ and your authority have the final say.

Finland not covered by firearms law

The Firearms Act does not mention night-vision or thermal devices. When hunting, night sights that magnify or alter the image electronically are prohibited (metsästyslaki 33 § 1 mom. 4 k.); wild boar hunting and the taking of unprotected mammals other than feral cats (only voles, mice and rats; game such as fox or raccoon dog is not included) are exempt – the ban applies to unprotected birds (metsästyslaki 33 § 3 mom., 49 § 2 mom.).

Legal reference: metsästyslaki 33 § 1 mom. 4 k.; metsästyslaki 33 § 3 mom., 49 § 2 mom. · Checked 10/2026 · metsästyslaki and your authority have the final say.

Italy not covered by firearms law

Weapons law does not mention night-vision or thermal devices. Items intended for arming or equipping armed forces may only be possessed with a license from the Minister of the Interior (art. 28 TULPS). When hunting, night-vision sights, including digital ones, are permitted only for the selective culling of wild boar, and not if they are armament material; any means the law does not expressly permit is prohibited – the law does not say whether this also covers an observation device (art. 13 co. 2-ter e co. 5 L. 157/1992).

Legal reference: art. 28 TULPS; art. 13 co. 2-ter e co. 5 L. 157/1992 · Checked 10/2026 · TULPS and your authority have the final say.

France only with a permit or exemption

Sighting and night-vision devices using light intensification or passive infrared are category A2 war material if they are intended exclusively for military use or can be operated hands-free (R311-2 I rubrique 2, 14° CSI); acquisition and possession are then prohibited. The provision does not mention a civilian device that is operated only by hand. For hunting, monoculars and binoculars with light intensification or thermal imaging are permitted, but not those that can be operated hands-free; hunting is in principle permitted only by day (arrêté du 1er août 1986, art. 7; Code de l'environnement, L424-4).

Legal reference: R311-2 I rubrique 2, 14° CSI; arrêté du 1er août 1986, art. 7; Code de l'environnement, L424-4 · Checked 10/2026 · Code de la sécurité intérieure and your authority have the final say.

Spain only with a permit or exemption

The Reglamento de Armas does not mention night-vision or thermal devices. Telescopic sights and other devices that make a big-game rifle more effective may, however, only be bought, held and used by holders of license D (art. 100.6 RA) – by its wording, a night-vision sight for such a rifle falls under this. The Reglamento does not mention observation devices; hunting with night vision is regulated by the autonomous communities.

Legal reference: art. 100.6 RA · Checked 10/2026 · Reglamento de Armas and your authority have the final say.

Denmark only with a permit or exemption

Optical-electronic sights with a light beam, light intensification or infrared that are built for mounting on a firearm or crossbow require a permit (§ 1 Stk. 1 Nr. 10 våbenloven); a permit is granted only in special cases (§ 8 våbencirkulæret). The act does not mention an observation device that is not built for mounting on the gun. The app has not checked what hunting law allows.

Legal reference: § 1 Stk. 1 Nr. 10 våbenloven; § 8 våbencirkulæret · Checked 10/2026 · våbenloven and your authority have the final say.

Sweden only with a permit or exemption

Swedish firearms law does not list night-vision or thermal devices among the items it treats as firearms (1 kap. 4 § vapenlagen (2026:408)). In hunting, weapons and other means of hunting may be used only to the extent and in the manner provided for in the hunting ordinance or in regulations issued under it (10 § jaktförordningen (1987:905)). In hunting, the hunting ordinance expressly allows electronic image intensifiers, image converters and thermal cameras in close connection with the hunting weapon only when hunting wild boar, and thermal sights only in open terrain or at bait sites (14 a § jaktförordningen (1987:905)). For birds and the protected mammals listed in the ordinance, night sights with an electronic image intensifier or converter are prohibited (10 a § jaktförordningen (1987:905), Bilaga 5 jaktförordningen (1987:905)). The app has not checked whether the regulations of the Naturvårdsverket allow further means of hunting (15 § jaktförordningen (1987:905)).

Legal reference: 1 kap. 4 § vapenlagen (2026:408); 14 a § jaktförordningen (1987:905) · Checked 11/2026 · jaktförordningen and your authority have the final say.

Slovakia only with a permit or exemption

As a prohibited accessory, Slovak firearms law names only a suppressor that does not meet the statutory requirements (§ 4 ods. 4 zákona č. 190/2003 Z. z.); it does not name night-vision or thermal devices there. In hunting, sights and riflescopes for shooting at night – with electronic image magnification or inversion, infrared, laser or light amplification – and night-vision devices (noktovízory) are a prohibited hunting method (§ 65 ods. 2 písm. c zákona č. 274/2009 Z. z.); the wording does not limit night-vision devices to those used for aiming. Advertising, offering and selling such means for hunting are prohibited (§ 65 ods. 8 zákona č. 274/2009 Z. z.). Exemptions are granted by the Ministry of Agriculture in individual cases (§ 72 písm. p zákona č. 274/2009 Z. z.).

Legal reference: § 4 ods. 4 zákona č. 190/2003 Z. z.; § 65 ods. 2 písm. c zákona č. 274/2009 Z. z. · Checked 11/2026 · zákon č. 274/2009 Z. z. and your authority have the final say.

Netherlands only with a permit or exemption

The Wwm does not list night vision and thermal devices as a category of their own. On a hunting gun, sights with image converters or electronic image intensifiers and light sources are prohibited (Art. 11.79 Abs. 5 Bal), unless the province provides otherwise (Art. 11.29 Bal); whether a device falls under a category outside hunting (Art. 2 Wwm) is unresolved – the app does not model it.

Legal reference: Art. 11.79 Abs. 5 Bal; Art. 2 Wwm · Checked 11/2026 · Bal and your authority have the final say.

Ireland not covered by firearms law

A night-vision or thermal device for observation is not mentioned in the Firearms Act 1925; s. 1(1)(g)(i) Firearms Act 1925 covers only telescope sights designed to be fitted to a firearm. Fitted to a firearm as a sight, it counts as a component part of a firearm.

Legal reference: s. 1(1)(g)(i) Firearms Act 1925 · Checked 11/2026 · Firearms Act 1925 and your authority have the final say.

Belgium only with a permit or exemption

As parts and accessories of firearms, night vision devices are prohibited weapons in Belgium (Art. 3 Wapenwet) – also when detached or as a clip-on device, as long as it can be mounted on a firearm. Whether a handheld observation device that cannot be mounted is covered is disputed: the Minister of Justice calls night vision devices prohibited without distinction, hunting associations read the handheld device as permitted.

Legal reference: Art. 3 Wapenwet · Checked 11/2026 · Wapenwet and your authority have the final say.

Norway only with a permit or exemption

Night-vision and thermal devices are not among the licensed gun parts (våpenforskrifta § 2-4). When hunting, image-intensifying and thermal sights are prohibited (viltressursloven § 26); they are allowed for wild boar and red fox in open terrain or at a bait site, for red deer where the municipality allows it by regulation, and when tracking wounded deer, wild boar and red fox – notify the landowner, the police and the municipality first (forskrift om utøvelse av jakt, felling og fangst § 29a).

Legal reference: viltressursloven § 26; våpenforskrifta § 2-4 · Checked 11/2026 · viltressursloven and your authority have the final say.

Luxembourg not covered by firearms law

A handheld night vision or thermal device for observation is not named in the Law of 2 February 2022 on weapons and ammunition; night sighting devices are prohibited (category A.26, Art. 2 loi du 2 février 2022). Hunting takes place only during the day, from one hour before sunrise to one hour after sunset (Art. 10 loi modifiée du 25 mai 2011 relative à la chasse).

Legal reference: Art. 2 loi du 2 février 2022; Art. 10 loi modifiée du 25 mai 2011 relative à la chasse · Checked 11/2026 · loi du 2 février 2022 and your authority have the final say.

Hungary not covered by firearms law

Hungarian firearms law does not regulate a handheld night-vision device; the Ftv. concerns only mounting on the gun (Ftv. 4. § (1) e)). When hunting, the night-vision observation device is expressly permitted (Vtv. 37/A. § (2)).

Legal reference: Vtv. 37/A. § (2); Ftv. 4. § (1) e) · Checked 11/2026 · Vtv. and your authority have the final say.

Related

Every figure comes from the manufacturer source named below; dealer figures appear only in the app. Not buying advice. Waffenschrank is not affiliated with the manufacturers named.

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