8mm SM1 Lens Tube | Internal + External | Aluminum | Fulteng – Fulteng

8mm Length | 30.5mm Outer | 23.0mm Clear | Aluminum | SM1 Lens Tube

$14.00

sm1-l8a-in30.5-ext23

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What payment methods do you accept?

We accept common online payment methods, including credit card, Apple Pay, Google Pay, and other available checkout options.

Can I cancel my order and get a refund after payment?

Yes. If you contact us within 1 day after placing the order, the payment can usually be refunded before the order is processed.

Please contact us at admin@fulteng.com as soon as possible with your order details.

How long does shipment take?

Order preparation usually takes 3–5 working days before shipment.

After the order is shipped, international delivery usually takes around 3–10 days, depending on the destination country and local delivery process.

How will my order be delivered?

We use e-commerce logistics to deliver the order to you.

The general process is:

Order processing — payment is checked and stock is confirmed.
Packing — the product is picked, packed, and prepared for shipment.
Carrier hand-off — the package is passed to the logistics provider.
Last-mile delivery — the local courier delivers the package to your address or collection point.

When will I receive the tracking number?

The tracking number is usually available only after the package reaches the last-mile courier stage.

This means tracking may not appear immediately after the order is packed or shipped.

Can I return a standard product?

Yes. Standard products can be returned for any reason within 7 days after you receive the goods.

Please note:

The item should be returned in its original condition.
The return shipping cost is paid by the customer.
The standard return shipping cost is USD $35.

Can I return a custom product?

Custom products are made or prepared according to your specific requirements, so they usually cannot be returned.

Custom products can only be returned or handled if there is a confirmed quality problem with the product.

8mm SM1 lens tube with internal and external SM1 (1.035"-40) threads in black-anodized aluminum for Ø1" (Ø25.4 mm) optics and 30 mm cage systems.

Specifications

Part Number	sm1-l8-in30.5-out23
Length	8mm
Thread Combination	Internal + External
Internal Thread	SM1 (1.035"-40)
External Thread	SM1 (1.035"-40)
External Thread Depth	3mm
Clear Aperture	23mm
Outer Diameter	30.5mm
Optic Diameter	Ø1" (Ø25.4 mm)
Retaining Ring	1 included
Retaining Ring Thickness	2mm
Material	Aluminum
Processing	Black Anodized