Omegon Argus Binoculars - Extreme magnification for serious observers
The Omegon Argus 25×100 is made for those who want to see really deep. These binoculars bring stars, star clusters and bright nebulae impressively close. Thanks to the enormous light capture, the image remains clear, even deep into the night. Ideal for fixed observations where detail makes all the difference.
Large size, stable construction
These are hefty binoculars, but cleverly constructed. The magnesium body provides sturdiness without unnecessary weight. This gives you a stable feeling while observing. For comfortable use, a tripod is highly recommended.

Clear and high-contrast image
You are looking at a clean, white image with no yellow tint. The fully multicoated lenses reduce reflections and stray light. Thus, all available light reaches your eye and details remain visible.
Sharp across the entire image
Even at this high magnification, the image remains sharp from center to edge. The eyepieces with eight lens elements provide calmness and sharpness, just what you need for long observations.
Comfortable for eyeglass wearers
Do you wear glasses? No problem. The eyepieces provide enough space so that you continue to see the full field of vision.

Individual focusing
Adjust both eyepieces properly once. After that, you don't need to adjust anything. This way you are ready as soon as you see something special in the sky.
Suitable for intensive outdoor use
Waterproof, nitrogen-filled and shockproof. The Argus 25×100 is built for nights outside and long-term use in fixed locations.
What we recommend
✓ Astronomy: Good for moon, stars and bright deep-sky objects
✓ Fixed observation site: ideal in combination with a tripod
✗ Bird watching: not suitable due to high magnification
✗ Travel & sports: too big and heavy
✗ Theater & events: impractical
Specifications
Capacity
| Feature | Description |
|---|---|
| Design | Porro |
| Enlargement | 25× |
| Front lens diameter (mm) | 100 |
| Exit pupil (mm) | 4 |
| Interpupillar distance (mm) | 56-70 |
| Glass material | BAK-4 |
| Lens coating | complete, multiple |
Focus system
| Feature | Description |
|---|---|
| Type | Single focusing |
| Eyepiece caps | foldable |
| Diopter-adjustment | separate focusing per eyepiece |
Details
| Feature | Description |
|---|---|
| Zoom function | - |
| Image stabilizer | - |
| Compass | - |
| Distance Meter | - |
| Tripod thread | yes |
| Splash-proof | yes |
| Waterproof | yes |
Field of view & brightness
| Feature | Description |
|---|---|
| Brightness | 16 |
| True field of view (°) | 2,6 |
| Apparent field of view (°) | 65 |
| Field of view at 1,000 m (m) | 47 |
| Twilight factor | 50 |
General
| Feature | Description |
|---|---|
| Color | black |
| Length (mm) | 390 |
| Width (mm) | 270 |
| Height (mm) | 110 |
| Weight (g) | 3850 |
| Series | Argus |
Observation goals
| Feature | Description |
|---|---|
| Astronomy | good |
| Bird watching | not recommended |
| Yacht | middle |
| Travel & sports | not recommended |
| Sailing | not recommended |
| Theater | not recommended |




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