Night vision binoculars / SightmarkDiscontinued
Sightmark Ghost Hunter 4x50 Binocular
Gen 1 · 20 h · Discontinued
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Specs
| Tube | |
|---|---|
| Generation Tube generations Labels like Gen 1, Gen 2+ and Gen 3 that group night vision tubes by design. They are a rough guide; the measured specs say more than the label. | Gen 1 |
| Figure of merit Figure of merit (FOM) A single number for night vision tube quality: resolution multiplied by signal-to-noise ratio. Higher is better, but check whether it is a guaranteed minimum. | — |
| Resolution Tube resolution (lp/mm) How fine a detail a night vision tube can show, in line pairs per millimeter. Higher is sharper, but it is measured in a lab in good light. | — |
| Signal-to-noise Signal-to-noise ratio (SNR) How clean a night vision tube's picture is in very low light. Higher means less sparkle and grain on dark nights. | — |
| How the maker states these | Not stated |
| Phosphor Green vs white phosphor The color of the night vision picture. Green is traditional; white shows black and white. Many people find white more natural, but it is a preference. | — |
| Autogating Autogating A night vision tube feature that rapidly adjusts the tube's power when light gets bright, keeping the picture usable near headlights, yard lights or muzzle flash. | — |
| Manual gain Manual gain A knob that lets you turn night vision brightness up or down yourself, so you can keep contrast under a bright moon or near lights. | — |
| Optics | |
| Lens Focal length The lens number in millimeters, like 35 mm or 50 mm. A longer lens puts more pixels on a distant animal but shows a narrower slice of ground. | 50 mm objective |
| Base magnification Base magnification How much bigger things look before any digital zoom, like 2× or 4×. Higher is not automatically better: it narrows your view. | 4× |
| Max digital zoom Digital zoom Electronic enlarging of the picture. It makes the animal look bigger but adds no detail; past about 2× to 4× the image gets blocky. | 4× |
| Field of view Field of view How wide a view you get, in degrees. A wide view makes scanning for animals faster; a narrow one usually means more magnification. | Not publishedGen 1 binocular. Tube count is not printed on the sheet; stored as 2 because Sightmark's product photo shows two objective lenses and the sheet gives a fixed 63 mm interpupillary distance. Field is published only as 26 m at 100 m, not as an angle, so none is stored (it would be about 15°). Maximum detection is published as 120 for an object 1.7 x 0.5 m in natural night conditions, with no unit, so detection is blank. Built-in 805 nm IR illuminator. Minimum focus 1 m. Resolution is printed as 36 with no unit, so it is not stored. |
| Detection range (maker’s claim) Detection range The maker's figure for how far away a warm object shows up as a dot or two. It is far longer than the distance you can tell what the animal is. | — |
| Power | |
| Battery | 2 × AAA, removable |
| Runtime Battery life (runtime) How many hours the device runs on a charge, by the maker's test. Real runtime is shorter in the cold and with Wi-Fi, recording or the rangefinder on. | 20 h |
| Features | |
| Rangefinder Laser rangefinder A built-in laser that measures how far away the animal is. The rated range is for big, reflective targets; expect much less on a coyote. | No |
| Build | |
| Weight Weight How heavy the device is. Check whether the maker weighed it with or without the battery, because brands do it differently. | 25 oz |
| Water rating IP rating (water rating) A two-part code for how well the device keeps out dust and water. IP67 means dust-tight and survives a short dunk; an X means not tested. | x |
| Operating temp Operating temperature The temperature range the maker says the device will work in. Batteries lose much of their runtime well before the low end of that range. | -4°F to 104°F |
| Buying | |
| Warranty Warranty How long the maker promises to repair or replace a faulty unit. Check whether it needs registration and whether it passes to a second owner. | Not published for US |
| US price US price The price we found for the unit in the US, with where it came from and when. Prices change often, so treat it as a snapshot. | Discontinued |
| MSRP MSRP The maker's suggested retail price in the US: the list price, before any sale. Useful for seeing how good a deal really is. | Not published for USNo Sightmark list price found. The Wayback Machine was unreachable from this session. |
Source: Sightmark spec sheet SM15073 (Sightmark's PDF hosted by OpticsPlanet).
Added October 11, 2026 · Specs last checked October 11, 2026
Current models to compare
In production now, nearest in resolution and range.
- AGM NVG-40 3AL1$7,295
Gen 3 Auto-Gated Green Phosphor "Level 1" (3AL1) · 218 ft wide at 100 yd
Compare with the Ghost Hunter 4x50 Binocular → Gen 3 filmless ("L3 Filmless") · 218 ft wide at 100 yd
Compare with the Ghost Hunter 4x50 Binocular →Gen 3 filmless ("L3 Filmless") · 218 ft wide at 100 yd
Compare with the Ghost Hunter 4x50 Binocular →- AGM NVG-40 3APW$8,595
Gen 3 Auto-Gated White Phosphor FOM 2000+ (3APW) · 218 ft wide at 100 yd
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Other Sightmark Ghost Hunter models
Other sizes and versions in the same line.
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