160mm/6.3" Telescope Rail Bar Review – Versatile Vixen-Style Mounting Plate for Astrophotography

Transparency note: I may earn a modest commission if you shop through my links, without adding a single penny to your total. Your support means the world!

The 160mm/6.3-inch Telescope Rail Bar is a Vixen-style dovetail mounting plate designed to connect compatible optical tube assemblies (OTAs) to telescope saddles, equatorial mounts, and other astronomy support systems. Featuring multiple screw-thread options, including M6, 1/4-inch, and 3/8-inch, it offers flexible mounting possibilities for telescope equipment and compatible camera accessories. Its compact design makes it a useful addition for amateur astronomers and astrophotography enthusiasts who need a reliable mounting interface.

Key Specifications

• Brand: Not specified

• Product Type: Vixen-Style Telescope Dovetail Rail

• Length: 160 mm / 6.3 inches

• Mounting Style: Vixen-compatible dovetail profile

• Thread Options: M6, 1/4-inch, and 3/8-inch

• Primary Compatibility: Compatible telescope saddles, OTAs, equatorial mounts, and suitable tripod adapters

• Intended Use: Telescope mounting, equipment attachment, and astrophotography setups

Main Features

1. Vixen-Style Dovetail Compatibility

The Vixen-style dovetail profile is designed for use with compatible telescope saddles and mounting systems. It provides a convenient way to attach or reposition an optical tube assembly without requiring a completely different mounting interface. Always verify the rail profile and saddle dimensions before installation.

2. Multiple Thread Options

With M6, 1/4-inch, and 3/8-inch screw-thread options, the rail offers flexibility for different mounting arrangements. These threads can accommodate compatible telescope hardware and camera accessories, depending on the hole layout and the equipment being attached.

3. Compact 160mm Length

The 160mm length provides a practical mounting surface for compatible smaller telescopes and accessories. Its compact size can be helpful when building portable astronomy setups or adapting equipment without adding an unnecessarily long rail.

4. Useful for Astrophotography Setups

The rail can help integrate compatible telescope components and camera mounting accessories into an astronomy rig. A properly matched mounting plate supports secure equipment positioning, which is particularly important when preparing a telescope for tracking or astrophotography.

Performance

Performs exceptionally well for:

• Mounting compatible optical tube assemblies to Vixen-style saddles.

• Adapting suitable telescope equipment to compatible equatorial mounts.

• Integrating supported camera accessories into astronomy setups.

• Building compact and portable telescope configurations.

• Organizing mounting hardware for amateur astronomy and astrophotography.

Pros

• Standard Vixen-style profile for compatible telescope saddles.

• Compact 160mm length suits smaller mounting arrangements.

• Multiple advertised thread options offer mounting flexibility.

• Useful for telescope equipment adaptation and astrophotography rigs.

• Can simplify equipment setup when the rail matches the existing mount.

Cons

• Compatibility depends on the exact dovetail dimensions and saddle design.

• The maximum load capacity and rail material should be confirmed before use.

• Screw placement and thread compatibility may limit certain mounting configurations.

• A mounting plate alone does not guarantee accurate tracking or stable astrophotography performance.

Who Should Buy This?

Ideal for:

• Amateur astronomers who need a compatible dovetail rail for telescope mounting.

• Astrophotography enthusiasts assembling or modifying telescope equipment.

• Telescope owners looking for a mounting adapter with multiple thread options.

• DIY astronomy hobbyists who build custom equipment arrangements.

Final Verdict

The 160mm/6.3-inch Vixen-Style Telescope Rail Bar is a practical accessory for astronomers who need a compact mounting plate with several advertised thread options. Its main advantages are its standard-style dovetail design, manageable length, and potential versatility across compatible telescope and camera setups. Before purchasing, confirm the dovetail dimensions, hole spacing, thread specifications, material, and load rating to ensure a secure fit with your equipment. Overall, it is worth considering for telescope mounting and astrophotography projects where compatibility is the priority.