Sightron Side Focus Wheel

• Made for SIII 10-50x60 scopes: This side focus wheel is built specifically for Sightron SIII 10-50x60 models, giving a correct fit and dependable operation on compatible target and long-range riflescopes.
• Large 5-inch wheel: The larger diameter gives finer control over parallax adjustment, making it easier to separate small focus changes when setting up for precise target distances.
• Anodized 6061-T6 aluminum construction: The aluminum body keeps the wheel light while adding the rigidity needed for repeated adjustment in regular range use.
• Quick installation hardware included: With three set screws and an Allen wrench supplied in the box, the wheel mounts securely and can be fitted without needing extra tools.
• Useful for distance marking: A larger side wheel gives more room to mark focus positions, which helps shooters return to known parallax settings more quickly during field target or benchrest use.

About the Sightron Accessories Series

Sightron Accessories is the brand’s collection of support items built around its core optics lines. Rather than treating accessories as generic add-ons, Sightron groups together model-specific parts that help shooters and observers adapt their equipment to a particular discipline, whether that means transport, maintenance, mounting or faster handling on the firing line. The range includes items such as sunshades for different riflescope series, switchview lever variants, scope coats, lens wipes and focus-wheel options, showing that the series is aimed at practical compatibility rather than one-size-fits-all use.

Within this family, the emphasis is on accessories that match the way Sightron optics are actually used in the field. The collection includes both magnetic and nonmagnetic side-focus wheel designs, along with parts for binoculars and reflex sights, so the series serves target shooters, hunters and general optics users alike. The overall design approach is straightforward: keep installation simple, maintain compatibility with specific Sightron models, and add useful handling benefits without changing the optic’s core function.

About the Sightron Side Focus Wheel

The Sightron Side Focus Wheel is a dedicated riflescope accessory for SIII 10-50x60 models, intended for shooters who want more precise control over parallax adjustment than a standard side knob can offer. By increasing the diameter of the control surface to 5 inches, the wheel spreads small focus changes over a longer movement arc. In practice, that makes it easier to fine-tune focus at known distances and to distinguish between closely spaced yardage settings, which is especially useful in field target and precision target shooting.

The wheel is made from anodized 6061-T6 aluminum, so it adds durability without unnecessary bulk. Its rigid construction helps the wheel stay consistent in feel during repeated adjustments, while the black finish keeps the look in line with the riflescope. Because this accessory fits over compatible SIII side-focus assemblies, it supports a cleaner and more controlled adjustment motion than working directly from the smaller factory knob.

Installation is kept simple with three set screws and an Allen wrench included. That makes the wheel practical for shooters who want a secure fit without a complicated mounting process. For competition use, where repeatable parallax settings matter, the larger wheel also provides more usable space for custom distance marks, helping the shooter return to established focus points with less guesswork.

About Sightron

Sightron was originally based in Miami, Florida, and later moved its headquarters to North Carolina. The company began with red-dot sights and then expanded into hunting riflescopes and target scopes, which remains central to its reputation today. Its optics lineup also includes binoculars and spotting scopes, giving the brand a broad presence across sporting optics rather than a single-product focus.

A key part of Sightron’s identity is its concentration on riflescopes for hunting and target shooting, with series such as SII, SIIB Big Sky, SIII, S-TAC and SV. Sightron riflescopes are manufactured in Japan, and the brand is also known for proprietary features such as the ExacTrack windage and elevation system and Zact-7 Revcoat lens multicoating technology. Those technologies are particularly relevant in the riflescope category, where repeatable adjustment and dependable optical performance matter as much as magnification range.

Main Features

• Manufacturer: Sightron
• Series: Sightron Accessories
• Compatible models: SIII 10-50x60 models
• Type: Side focus wheel
• Weight: 100.00 g
• Color: Black
• Material: Anodized 6061-T6 aluminum
• Wheel diameter: 5 inches

In the Box

• Side focus wheel
• 3 set screws
• Allen wrench