Lunt 1.25" Mini Helical Focuser

• Non-rotating helical design keeps your camera framing and solar features perfectly aligned while you fine-tune focus

• T2 (M42×0.75) male → T2 female inline connection for a rigid, tilt-free imaging train and easy integration with spacers, filter wheels, and cameras

• 10 mm precision travel delivers the micro-adjustments you need to nail critical focus on H-alpha detail, lunar/planetary structure, and tight double stars

• 1.25" eyepiece receiver with brass compression ring protects barrels, centers accessories, and improves repeatability over single set-screws

• Locking collar secures your focus point for long captures and filter changes without drift

• Compact, lightweight upgrade that streamlines your rig for fine camera/eyepiece focusing on portable or permanent setups

• Ideal as a focus finisher ahead of your primary focuser when you need extra-fine, non-rotating control

Specifications

• Format: 1.25" eyepiece interface with brass compression ring

• Threading: T2 (M42×0.75) male to T2 female pass-through

• Travel Range: 10 mm precision helical motion

• Mechanics: Non-rotating helical; maintains image orientation

• Focus Hold: Locking collar to prevent shift during imaging or visual use

• Use Case: Fine focus for cameras and eyepieces; ideal for solar, lunar/planetary, and high-mag visual work

What’s in the Box?

• Lunt 1.25" Mini Helical Focuser

• Integrated locking collar and pre-installed brass compression ring