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Product Dimensions | 10 x 5.3 x 1.2 inches |
---|---|
Item Weight | 2.08 ounces |
Item model number | SKU_AM_M48EXT8123A |
Is Discontinued By Manufacturer | No |
Date First Available | July 31, 2017 |
Manufacturer | Alstar |
Brand | A ALSTAR |
Objective Lens Diameter | 30 Millimeters |
Finderscope | Reflex |
Focal Length Description | 20 millimeters |
About this item
- The extension tube has a M48*0.75 interior thread and a M48*0.75 exterior thread for elegantly solving spacing problems in astrophotography.
- 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.
- Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
- Male thread - M48*0.75. Female thread - M48*0.75, eliminates a range of focusing problems.
- All metal construction and anodizing aluminium process, durable for long time use.
Product Description
Alstar Astronomical 2"/M48-Extension Tube Kit
Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece. This extension tube kit solves this problem. Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
Lightweight and DurableAll metal construction and anodizing aluminium process, durable for long time use. High-quality aluminum material makes the product and easier to carry. | Variable FormThe 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 and you can also make random combinations out of order. | Inner Threaded DesignEffectively reduce stray light interference, not only improve the brightness of the image, but also effectively reduce the dark edges formed, the edge details of the image are clearer. | Stable ConnectionThe precise manufacturing process makes the telescopic tubes perfectly connected with each other, reinforcing the stability of the and camera. |
The extension tube has M48*0.75 internal thread and M48*0.75 external thread, making it extremely widely used to elegantly solve the spacing problems in astrophotography. You can use this extender with any camera or eyepiece or with various adapters.
Product Specifications
Condition | 100 |
Material | Aluminum Alloy |
Length | 8mm 10mm 20mm 30mm |
Male Thread | M48*0.75 |
Female Thread | M48*0.75 |
Package Includes | 1 X 2"/M48-Extension Tube Kit |
Specifications
Key Features
- Product Dimensions : 10 x 5.3 x 1.2 inches
- Item Weight : 2.08 ounces
- Item model number : SKU_AM_M48EXT8123A
- Is Discontinued By Manufacturer : No
- Date First Available : July 31, 2017
- Manufacturer : Alstar
What’s in the box
- 80x100 Monocular
- Smartphone Holder
- Tripod
- Waterproof Bag
- Cleaning Cloth
Specifications
- SKU: GE779SE3JD33ZNAFAMZ
- Size (L x W x H cm): 25.4x13.5x3.05
- Weight (kg): 0.059
- Color: Black
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