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The PVS-31C infrared binoculars is a Canadian product for the most demanding of users. It is a generation 3 device, providing brighter and clearer image than generation 2+ night vision devices.
Generation 3 devices utilise microchannel plates (MCP) specially coated in order to increase the intensifier's lifespan. Electrons ejected from the photocathode become multiplied upon passing the MCS system, which directs much stronger electron stream on the screen, resulting in clear, high quality night vision image.
The PVS-31C infrared binoculars come with a built-in short range illuminator, an automatic brightness adjustment and bright light shut off functions.
The device complies with the IP67 standard, which ensures enhanced water and dust resistance. Aluminium housing and rubber coating ensure comfort of operation in any conditions.
Light and compact casing was made with composites of highest quality, which ensures enhanced durability and low weight of the infrared binoculars - just 650g. The device is compliant with IP67, which means it is water and dust-resistant.
The infrared binoculars allow to manually adjust the signal amplification, and control the image brightness in order to match the user's preferences (and lighting conditions). Besides, the device comes with a built-in short ranged IR illuminator, and allows to adjust diopter regulation manually.
The SSF (Stow Safety Feature) function allows to save energy during helmet-mounted operation. Tilting the device up on the mounting assembly switches it off, while lowering it back to the eye level switches it on again.
Certain variants of the device have been equipped with AG auto-gating technology, responsible for swift adjustment of light intensity to specific situations. It grants the user protection against being blinded by sudden exposure to a source of light, e.g. an electric torch.
FOM is the basic parameter defining the quality of image in poor lighting conditions.
Generation 3 night vision devices utilise photocathodes made from gallium arsenide for enhanced senstitivity. Additionally, their MCPs (microchannel plates) are coated with ionic barriers to increase their lifespan.
The PVS-14C night vision monocular is powered by either CR123 or AA batteries.
Due to application of efficient power sources, infrared binoculars PVS-14C can work as long as 50 hours on a single CR123 battery, or up to 30 on AA batteries!
Warranty
The manufacturer issues a 7-year warranty for the device.
Variants
PVS-31C infrared binoculars are available in four variants.
| Specification of the infrared binoculars PVS-31C | |
|---|---|
| * depending on the version | |
| Image amplifier |
|
| Visual range (FOM) | below in the table* |
| Photocathode | Multi-Alkali coated with gallium arsenide |
| Zoom of the infrared binoculars | 1× |
| Lens | 27mm, F/1.2 |
| Angle of the view | 40° |
| Depth of field | 25 m up to ∞ |
| Diopter adjustment | -6 up to +2 |
| Built-in IR illuminator | yes |
| Power supply of the infrared binoculars |
|
| Operation time |
|
| Discharge indicator |
|
| Steering | direct |
| Gain control | manual - MGC |
| Protection from blinding light | yes - SSF |
| Automatic power supply shutdown | yes- SSF |
| Operation temperature of the infrared binoculars | -40°C up to +50°C |
| Waterproof |
|
| Size | 105 × 125 × 65 mm |
| Weight of the infrared binoculars | 0,65 kg |
| MA-1 | MA-1AG | GA-1 | GA-3AG | |
|---|---|---|---|---|
| Generation | 2+ | 3 | 3 | 3 |
| FOM | 1000-1250 | 1260-1599 | 1600-1799 | 1800+ |
| Auto-gating | x | x | yes | yes |
| Inbox |
|---|
| MA1 | GA1 | GA2 | GA3 | |
|---|---|---|---|---|
| 1 Demist cover Shield - prevents the steam condensation on the lens 2 Sacrificial Windows - Lens protection from the mechanical damage and dirt | ||||
| Rubber eyecup 2 pcs | + | + | + | + |
| AA battery | + | + | + | + |
| CR123 battery | + | + | + | + |
| User manual | + | + | + | + |
| Case | + | + | + | + |
| SSF | o | o | + | + |
| Demist Shield 1 2pcs | + | + | + | + |
| Sacrificial Windows 2 2pcs - | + | + | + | + |
| Neck stripe for the infrared binoculars | + | + | + | + |
| Well-tested head installation PHG-7 | o | o | + | + |
| Durable case | o | o | + | + |
| Head installation PHG-7 | o | o | + | + |
| Head installation HG-714M with automatic shutdown | o | o | o | o |
| Head installation HG-714XM with automatic shutdown | o | o | o | o |
| Advance head installation HG-714XM-SR | o | o | o | o |
| Advanced head installation HG-714XM-C | o | o | o | o |
| + included, - unavailable, o - optional | ||||
| Specification of the infrared binoculars PVS-31C | |
|---|---|
| * depending on the version | |
| Image amplifier |
|
| Visual range (FOM) | below in the table* |
| Photocathode | Multi-Alkali coated with gallium arsenide |
| Zoom of the infrared binoculars | 1× |
| Lens | 27mm, F/1.2 |
| Angle of the view | 40° |
| Depth of field | 25 m up to ∞ |
| Diopter adjustment | -6 up to +2 |
| Built-in IR illuminator | yes |
| Power supply of the infrared binoculars |
|
| Operation time |
|
| Discharge indicator |
|
| Steering | direct |
| Gain control | manual - MGC |
| Protection from blinding light | yes - SSF |
| Automatic power supply shutdown | yes- SSF |
| Operation temperature of the infrared binoculars | -40°C up to +50°C |
| Waterproof |
|
| Size | 105 × 125 × 65 mm |
| Weight of the infrared binoculars | 0,65 kg |
| MA-1 | MA-1AG | GA-1 | GA-3AG | |
|---|---|---|---|---|
| Generation | 2+ | 3 | 3 | 3 |
| FOM | 1000-1250 | 1260-1599 | 1600-1799 | 1800+ |
| Auto-gating | x | x | yes | yes |
| MA1 | GA1 | GA2 | GA3 | |
|---|---|---|---|---|
| 1 Demist cover Shield - prevents the steam condensation on the lens 2 Sacrificial Windows - Lens protection from the mechanical damage and dirt | ||||
| Rubber eyecup 2 pcs | + | + | + | + |
| AA battery | + | + | + | + |
| CR123 battery | + | + | + | + |
| User manual | + | + | + | + |
| Case | + | + | + | + |
| SSF | o | o | + | + |
| Demist Shield 1 2pcs | + | + | + | + |
| Sacrificial Windows 2 2pcs - | + | + | + | + |
| Neck stripe for the infrared binoculars | + | + | + | + |
| Well-tested head installation PHG-7 | o | o | + | + |
| Durable case | o | o | + | + |
| Head installation PHG-7 | o | o | + | + |
| Head installation HG-714M with automatic shutdown | o | o | o | o |
| Head installation HG-714XM with automatic shutdown | o | o | o | o |
| Advance head installation HG-714XM-SR | o | o | o | o |
| Advanced head installation HG-714XM-C | o | o | o | o |
| + included, - unavailable, o - optional | ||||
Comment : The only minus is its price! The quaklity is excellent, product as described, delivered quickly, professional customer support and seven years of warranty
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Comment : powerful gear with many accessories and the set can be extended with additional products. I recommend the Sacfiricial Windows - made my binoculars practically indestructible.
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