KOWA · Binoculars · 42 mm full size
KOWA SV III 10x42 Binoculars
Twilight factor 20.5 · 122 m field of view
Is the animal on the far slope still just a grey shape? The KOWA SV III 10x42 brings in the detail that settles the identification – 10x magnification and a twilight factor of 20.5.
Buy the KOWA SV III 10x42 binoculars – maximum detail for stand hunting and long-range observation
The KOWA SV III 10x42 binoculars are the detail specialist of the SV III range – designed for situations where recognition, not image width, decides the outcome: judging game on the opposite slope, identifying a raptor above the ridge, counting a flock out on the water. Ten-times magnification combined with 42 mm objectives yields a twilight factor of 20.5, the highest figure in the entire series. Phase-corrected roof prisms, fully multi-coated optics and the KR lens coating secure contrast and colour fidelity.
Twilight factor 20.5 · the highest in the SV III series
Why 10x42 shows more at distance than any other format in the range
The twilight factor describes how much detail a binocular can still resolve as light fades – it derives from magnification and objective diameter. At 20.5 the SV III 10x42 sits clearly ahead of the 8x42 (18.3) and the 10x32 (17.9). In practice that means at 200 or 300 m you can still make out antler tips, plumage markings or the age of an animal where lower magnification leaves you with a silhouette. That is exactly why 10x42 is the standard format on the stand.
122 m field of view – remarkably wide for a 10x binocular
The classic drawback of a 10x binocular is the narrower field. On the SV III 10x42 that compromise is unusually mild: 7.0° corresponds to 122 m at 1'000 m – only 4 m less than the 8x42 in the same series. You gain magnification without losing overview. Moving subjects such as migrating birds or fleeing game stay in frame for longer, and orientation in the terrain is noticeably easier than with binoculars offering a narrower angle of view.
Phase-corrected prisms – contrast where high magnification usually goes soft
The higher the magnification, the more visible any optical weakness becomes. Kowa therefore fits phase-corrected roof prisms in the SV III 10x42, compensating for the phase shift inherent to the design and preserving contrast and resolution. Full multi-coating on every glass-to-air surface adds high light transmission and an image free of colour cast – decisive when coat, plumage or antlers have to be assessed correctly.
KR coating, waterproof and nitrogen-filled – for permanent duty in the field
A stand binocular has to cope with rain, fog and temperature swings. The outer lenses of the SV III 10x42 carry Kowa’s KR coating: water beads off, dust and fingerprints adhere less and wipe away in one pass. The housing is waterproof and nitrogen-filled, so there is no internal fogging when you move from a cold high seat into a warm vehicle. The rubber armour absorbs knocks and gives a secure hold even with gloves on.
555 g and a tripod thread – built for long observation sessions
At 555 g and 147 × 127 × 54 mm the SV III 10x42 stays below the 600-gram mark and sits well balanced in the hand. At 10x, though, extended sessions benefit from support: the tripod thread under the centre hinge accepts any standard tripod via the optional Kowa KB2-MT adapter. Interpupillary distance adjusts from 56 to 72 mm, eye relief is 15.5 mm and the soft silicone eyecups twist down for spectacle wearers.
Key features – KOWA SV III 10x42
- 🔍 10x magnification with 42 mm objectives
- 🌒 Twilight factor 20.5 – the highest in the SV III series
- 🌄 122 m field of view at 1'000 m (7.0°)
- ⚪ 4.2 mm exit pupil · relative brightness 17.6
- 🔭 Phase-corrected roof prisms
- ✨ Fully multi-coated optics
- 🛡️ KR protective coating on the outer lenses
- 💧 Waterproof and nitrogen-filled
- 👓 15.5 mm eye relief · soft silicone eyecups
- ⚖️ 555 g at 147 × 127 × 54 mm · interpupillary distance 56–72 mm
- 🔩 Tripod thread – compatible with the Kowa KB2-MT (optional)
- 🏅 10-year Kowa manufacturer warranty + 2 years Swiss statutory warranty
10x42 or 8x42? When the extra magnification pays off
Shopping for hunting binoculars or wildlife binoculars in Switzerland usually comes down to 8x42 versus 10x42. The SV III 10x42 is the choice for open ground, mountain hunting and anything that has to be judged confidently across distance. The SV III 8x42 counters with a larger exit pupil, 20 mm of eye relief and a steadier handheld image – the better call in dense woodland and for spectacle wearers. Both models share the same body, coatings, waterproofing and 10-year manufacturer warranty. Buy the KOWA SV III 10x42 binoculars at Swiss-Sale.ch – your Swiss specialist shop for optics with fast shipping.
Who are the KOWA SV III 10x42 binoculars for?
The SV III 10x42 is aimed at hunters, gamekeepers, mountain observers and birders working open country – wherever detail recognition at distance is what counts.
Technical Specifications – KOWA SV III 10x42
| Model | KOWA SV III 10x42 |
|---|---|
| Type | Binoculars (phase-corrected roof prism) |
| Magnification | 10x |
| Objective lens diameter | 42 mm |
| Field of view at 1'000 m | 122 m (7.0°) |
| Exit pupil | 4.2 mm |
| Eye relief | 15.5 mm |
| Interpupillary distance | 56–72 mm |
| Close focus | 3.0 m |
| Twilight factor | 20.5 |
| Relative brightness | 17.6 |
| Coating | Fully multi-coated · KR protective lens coating |
| Weatherproofing | Waterproof · nitrogen-filled |
| Body material | Polycarbonate with rubber armour |
| Eyecups | Twist-up · soft silicone |
| Dioptre adjustment | Yes, on the right eyepiece |
| Tripod thread | Yes · KOWA KB2-MT adapter (optional) |
| Dimensions (L×W×H) | 147 × 127 × 54 mm |
| Weight | 555 g |
| Colour | Green |
| Manufacturer part no. | 12797 |
| EAN | 4580614171885 |
| Warranty | 10-year KOWA manufacturer warranty + 2 years Swiss statutory warranty |
Package Contents – KOWA SV III 10x42
- 🔭 KOWA SV III 10x42 binoculars
- 👜 Carry case
- 🪢 Neck strap
- 🛡️ Objective lens caps
- 🛡️ Eyepiece caps
- 📄 Instruction manual
Frequently Asked Questions – KOWA SV III 10x42
Everything you need to know about the KOWA SV III 10x42 binoculars – from coatings and field of view to eyeglass compatibility, care and shipping within Switzerland.