DTD Jerry 31
DTD Jerry 31
A binocular for people who want both eyes working without carrying the weight that usually comes with it. At 480 grams without a battery, it is one of the lighter dual-tube devices you can buy, and it sits unusually close to the face, which keeps your head profile low and the leverage off your neck.
The eye pods articulate, so you can set them to your face properly rather than living with someone else's idea of the right spacing. An infrared illuminator is built in for close work.
Bring your helmet to Villmergen and we will fit it, by appointment.
Specifications
| Type | Binocular night vision device, dual tube |
| Tube format | White phosphor, FOM 1400 to 1600 |
| Housing | Low-profile polymer, 480 g without battery, articulating eye pods |
| Lens compatibility | Onboard infrared illuminator |
| Waterproof rating | 2 m for 30 minutes |
| Power | One AA cell |
| Tube data sheets | Two, ship with the device |
| Gating | Non-gated, with manual gain |
Price includes 8.1% Swiss VAT. Pay by card, TWINT or bank transfer, or ask us about our own instalment plans.
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Questions before you buy
Why choose this over the PVS-31 or the 1431?
The Jerry 31 is our budget binocular. It carries a fixed, non-gated tube set rather than a choice of autogated tubes, which is what keeps the price down. It is also lighter and lower in profile than most dual-tube devices, which some people prefer regardless of price.
What does non-gated mean in practice?
The tube does not automatically switch its voltage to protect itself when bright light enters the scene. In genuinely dark conditions you will not notice the difference. Near strong light sources an autogated tube holds contrast better.
Why does the low profile matter?
The device sits closer to your face, so there is less weight hanging forward off your helmet. Over several hours that is the difference between comfortable and sore.
Can I try it before I buy?
Yes. The showroom in Villmergen has a dark room for side-by-side comparison, by appointment.
Can I pay in instalments?
Yes. We run our own instalment plans in-house for customers resident in Switzerland: at least 50 per cent down, the balance split to suit you, and a modest interest rate. Ask us and we will put together an offer.
Do you ship outside Switzerland?
Yes. We deliver to Switzerland, Liechtenstein and the EU and Schengen countries. Deliveries outside Switzerland and Liechtenstein need a signed End User Certificate; we send it after payment, complete the export clearance and dispatch with tracking.
Is bright light a risk for this device?
Yes, more than for our autogated devices: the tube is non-gated with manual gain, so nothing inside it steps in when strong light hits the screen. Power it on only in darkness, cap it when in doubt, and treat street lamps, headlights and daylight with respect. Damage caused by exposing the tube to bright light in breach of the operating instructions is not covered by the warranty.
Export and delivery
Export and delivery
Night vision and thermal devices ship to Switzerland, Liechtenstein and EU/Schengen countries only. Deliveries outside Switzerland and Liechtenstein require a signed End User Certificate: after payment we send you the certificate, you sign and return it, we complete Swiss export clearance, and your device is dispatched with tracking. If clearance cannot be obtained for your country, the order is refunded in full. Spare parts and accessories are not controlled goods: they ship without a certificate. Collection at the Villmergen showroom, by appointment, is free of charge.
