iOptron Vixen and Losmandy Dual Dovetail Saddle
Manufacturer Part # 8426VD
The iOptron 8426VD Dual Dovetail Saddle gives you the flexibility to use either Vixen-style or Losmandy D-style dovetail bars with your mount—no adapters, no tools, no hassles. It’s a direct replacement or upgrade saddle plate for select iOptron mounts, machined from high-strength aluminum and designed for rock-solid performance with a wide range of telescopes.
Whether you’re switching between multiple OTAs or just want a single saddle that can handle both popular dovetail standards, the 8426VD makes it seamless.
Dual Compatibility, Single Solution
The saddle’s precision-machined profile securely grips both narrow Vixen-style bars and wider Losmandy D-style plates using a dual-channel design. There’s no need to swap out hardware or worry about mounting mismatches—just clamp and go.
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Compatible with standard Vixen dovetails (narrow profile)
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Compatible with standard Losmandy D dovetails (wide profile)
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CNC-machined for a precise, vibration-free fit
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Two large, knurled locking knobs for strong, even clamping pressure
Rugged, Reliable, and Ready for Heavier Loads
The 8426VD is machined from anodized aluminum for strength, corrosion resistance, and lightweight durability. The wide contact surfaces and deep engagement channels provide excellent stability—even for longer or heavier optical tubes.
Whether you’re imaging with a loaded refractor or observing with a big SCT, this saddle has the strength and grip to match.
Compatible Mounts
This dual saddle is designed for use with a variety of iOptron mounts, including but not limited to:
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CEM26
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GEM28
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HAE29 (with appropriate base adapter)
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Other mounts using a vixen saddle attachment interface
If upgrading or replacing your factory saddle, be sure to check compatibility with your mount's bolt pattern and attachment method.
Included
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iOptron 8426VD Dual Dovetail Saddle (Vixen & Losmandy compatible)
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Mounting hardware
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Allen key or hex wrench (if provided by manufacturer)
Observing Tip:
If you routinely swap between different optical tubes—like a fast refractor for wide-field imaging and a longer SCT for planetary work—a dual-format saddle like the 8426VD is a simple upgrade that saves time and effort in the field.