Focusing Lens Tube, 2 inch diameter lenses

The LT20-F Focusing Tube allows axial translation of one group of lenses relative to another. The focusing tube is simply a lens tube with a longer external thread and a locking nut. Provided in 2 inch diameter, the focusing tube screws into the internal threads of a standard lens tube and is locked in place with the lock nut. The maximum focusing range is 0.89 inch. A lens retaining ring is also included with each focusing tube.

Specifications

Technical Specs

Type
Lens Positioner
Optic Diameter
50.8 mm
Use
2.0 in. Lens Tubes

Travel, Z
0.89 in.
Thread Type
2.035-40
Length
39.4 mm

Type
Lens Positioner
Optic Diameter
50.8 mm
Use
2.0 in. Lens Tubes

Travel, Z
0.89 in.
Thread Type
2.035-40
Length
39.4 mm

Resources & Downloads

3D Product Models

2D Product Drawings

LT-XX-F DWG.pdf(187.2 kB, PDF)

Other

LT20-F RoHS Certificate(278.8 kB, PDF)
LT20-F_RoHS2021.pdf(682.9 kB, PDF)

Related Products

Similar

Description	Compatibility
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Lens Tube Coupler, 2.0 in. Lens Tubes, 2.035-40 External Thread	UNIVERSAL	Learn More
Retaining Ring, 47.5 mm ID, 2.035-40 Thread	UNIVERSAL	Learn More

Compatible

Description	Compatibility
Step Adaptor, 1.0 to 2.0 in. Lens Tubes,1.035-40 to 2.035-40 Thread	UNIVERSAL	Learn More
Lens Tube, 2 inch LT Series, 1/2 inch length	UNIVERSAL	Learn More
Lens Tube, 2 inch LT Series, 1 inch length	UNIVERSAL	Learn More
Lens Tube, 2 inch LT Series, 2 inch length	UNIVERSAL	Learn More
Lens Tube, 2 inch dia. LT Series, 3 inch length	UNIVERSAL	Learn More

Frequently Purchased Together

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		Lens Tube, 2 inch dia. LT Series, 3 inch length	UNIVERSAL				Learn More

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