Alstar Astronomical T2-Extension Tube Kit for Cameras and eyepieces - Length 8mm 10mm 20mm 40mm - M42x0.75 on Both Sides

The required spacing can be achieved by combining several extenders of differing lengths,you can use 1 piece, 2 pieces , 3 pieces or 4 pieces of the extension rings as you like.

The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography.

All metal construction and anodizing aluminium 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.

Male thread - M42*0.75. Female thread - M42*0.75,eliminates a range of focusing problems.

Retail Price: $ 28.99

Wholesale Price: Inquire Now

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece.

This extension tube kit solves this problem.

You can use this extender with any camera or eyepiece or with various adapters.
The M42*0.75 threads on both ends make it extremely versatile. Use this extender for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener.
You can reach the extension length required by combining several extenders of different lengths.

Advantages in a nutshell

The required spacing can be achieved by combining several extenders of differing lengths,you can use 1 piece, 2 pieces , 3 pieces or 4 pieces of the extension rings as you like.
The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography.
All metal construction and anodizing aluminium 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.
Male thread - M42*0.75. Female thread - M42*0.75,eliminates a range of focusing problems.

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Alstar Astronomical T2-Extension Tube Kit for Cameras and eyepieces - Length 8mm 10mm 20mm 40mm - M42x0.75 on Both Sides

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Product introduction

Shipping Notices

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece. This extension tube kit solves this problem. You can use this extender with any camera or eyepiece or with various adapters. The M42*0.75 threads on both ends make it extremely versatile. Use this extender for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener. You can reach the extension length required by combining several extenders of different lengths.

Product Description

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece.

This extension tube kit solves this problem.

You can use this extender with any camera or eyepiece or with various adapters.
The M42*0.75 threads on both ends make it extremely versatile. Use this extender for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener.
You can reach the extension length required by combining several extenders of different lengths.

Advantages in a nutshell

The required spacing can be achieved by combining several extenders of differing lengths,you can use 1 piece, 2 pieces , 3 pieces or 4 pieces of the extension rings as you like.
The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography.
All metal construction and anodizing aluminium 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.
Male thread - M42*0.75. Female thread - M42*0.75,eliminates a range of focusing problems.

Shipping Notices:

1 Contraband and limited items:

Clgarette,Alcohol,Contraband ?Do not accept

Liquid,cream or cosmetics items are quantity limited in shopping agent service

Chinese medicine is limited to ship by Chinese exporting goods.

2 Limitation for different shipping methods:

3 Yoybuy Product's Label:

Sensitive Product(SEN)

Product With battery

Cream

Powder

Dangerous Products

4 Volume weight Requested:

volume weight=length*height*Width/5000

one side must be less than 120cm，otherwise there is additional fee；250cm products can not be accept；

Any side must be less than 60cm，otherwise you will be charged the greater one between real weight and volume weight，more than 120cm will be not accepted.