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Focal Length Extension Tube for Astronomical Telescope T2 Extending Ring M42*0.75

Product Description:
Fully metal construction and anodizing aluminum process, durable for long time use.
Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
The extension tube has a T2 interior thread and a T2 exterior thread for solving spacing problems in astrophotography and eliminates a range of focusing problems.
The required spacing can be achieved by combining several extenders of differing lengths.
Type: Astronomical Telescope T2 thread Extension Tube
Extension Tube Height: 3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm
Male thread: M42*0.75mm
Female thread: M42*0.75mm
Color: Black

Package Include:
1 x Extension Tube Kits (3/5/7/10/12/15/20/30mm)

Due to different production batches, the two paint color on the surface(Matte black; shiny black) are shipped randomly.

Please Note:
Please allow 0-2mm error due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.
If you care about these details, pls DO NOT order.Thank you!

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PAYMENT

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Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to buying.

SHIPPING

Worldwide Shipping.
Items will be shipped within 3-5 business day on payment received.
Item are shipped using Airmail, reach most of the countries within 20 to 30.
Delivery time depends on destination and other factors, it may takes up to 30 business days
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RETURN

If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please contact me before you return it.
Returning the item as the same condition as received.
Return shipping charge is buyer responsibility.

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