The SIG Sauer BUCKMASTERS 10x42 Binoculars in black, part number SOBM10421, are the entry point to SIG's binocular range, giving 10x magnification on 42mm objectives over a wide 6-degree field of view (approximately 105 m at 1,000 m) at just 662 g — a practical first binocular for general deer watching, rough shooting and birding.
Fully multi-coated lenses work through Schmidt-Pechan roof prisms, and the thermoplastic body with rubber armour is IPX7 rated for British weather. Eye relief is 16mm behind 3-position adjustable eyecups, the anodised aluminium dioptre ring gives +/- 3 of adjustment, interpupillary distance spans 58mm to 73mm and close focus is 2.43 m (8 ft). It measures approximately 141 x 50 x 126 mm (5.57 x 1.95 x 4.97 in), weighs 662 g (23.36 oz), is tripod mount capable, and ships with a foam carrying case, lens covers and a shoulder harness strap with tripod adaptability.
How It Compares
The BUCKMASTERS 10x42 is SIG SAUER's entry-level binocular and the only one in this range finished in black rather than Flat Dark Earth. It is fully multi-coated rather than carrying SIG's named HD or HDX coating packages, and the body is thermoplastic with rubber armour. What it does have that the more expensive models do not is a complete accessory set in the box: a shoulder harness strap with tripod adaptability and lens covers as well as the foam case. Its 16mm eye relief and 6-degree field match the CANYON HD 10x42, which is the natural next step up, and both sit below the magnesium-chassis ZULU4 HD 10x42.
Ideal For
- A first binocular, or a knockabout spare for the truck and the gun cabinet
- General deer watching and rough shooting where the binocular takes hard use
- Anyone who wants a harness strap, lens covers and a case included rather than sold separately
- Birding and general observation on a wide 6-degree field
Key Features
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Glass: Fully multi-coated lenses
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Magnification: 10x with 42mm objectives on a 6-degree field
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Eyecups: 3-position adjustable eyecups with 16mm of eye relief
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Focus: Anodised aluminium dioptre ring with +/- 3 adjustment; interpupillary distance 58mm to 73mm
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Housing: Thermoplastic body with rubber armour in black, IPX7 rated
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Mount: Tripod mount capable — the supplied shoulder harness strap has tripod adaptability, adapter not included
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Close Focus: 2.43 m (8 ft)
Technical Specifications
| Magnification / Objective |
10x42mm |
| Field of View |
6 degrees (approx. 105 m at 1,000 m) |
| Eye Relief |
16mm |
| Close Focus |
2.43 m (8 ft) |
| Prism |
Schmidt-Pechan roof prism |
| Glass |
Fully multi-coated lenses |
| Eyecups |
3-position adjustable |
| Dioptre |
Anodised aluminium ring, +/- 3 |
| Interpupillary Distance |
58mm to 73mm |
| Dimensions |
5.57" L x 1.95" H x 4.97" W (approx. 141 x 50 x 126 mm) |
| Weight |
23.36 oz (approx. 662 g) |
| Housing / Finish |
Thermoplastic body with rubber armour, black |
| Water Resistance |
IPX7 rated |
| Mount |
Tripod mount capable, adapter not included |
| What's Included |
Foam carrying case, shoulder harness strap with tripod adaptability, lens covers |
| SKU / MPN / UPC |
SOBM10421 / SOBM10421 / 798681664498 |
What's Included
- BUCKMASTERS 10x42 binocular
- Foam carrying case
- Shoulder harness strap with tripod adaptability
- Lens covers
UK Delivery & Support
Imported from the USA, duty paid by us, and dispatched tracked from the UK — nothing to pay on delivery — backed by UK-based support.
Frequently Asked Questions
What colour is it?Black — it is the only binocular in this SIG range not finished in Flat Dark Earth.
What is in the box?A foam carrying case, a shoulder harness strap with tripod adaptability, and lens covers. That is a more complete set than most of the more expensive models in the range include.
How does it compare with the CANYON HD 10x42?They share a 6-degree field and 16mm of eye relief. The CANYON HD 10x42 adds SIG's LensArmor and SpectraCoat coating package at the same 662 g weight; the BUCKMASTERS is fully multi-coated and costs less.
Is it waterproof?It is IPX7 rated, with rubber armour over a thermoplastic body.
Can I put it on a tripod?Yes — it is tripod mount capable and the supplied harness strap has tripod adaptability, though the adapter itself is not included.
Where can I see the rest of the range?The full SIG Sauer line-up sits in our binoculars collection.
