- Male thread and female thread both are M48*0.75mm;Solving spacing problems in astrophotography and eliminates a range of focusing problems;
- Sturdy material;Fully metal construction and anodizing aluminium process; durable for long time use;
- Meet different needs;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;
- SV119 extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners;
- Made of fully aluminum alloy and durable;
SVBONY SV119 M48 Extension Tube kit of 5mm 10mm 15mm 30mm
Use this extender tube adapter for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener; Get to the right focal plane for focusing with a camera or eyepiece.
4 Pcs Extension Tube Kit
The required spacing can be achieved by combining several extension tubes of differing lengths, you can combine them to get whatever extension you need when using a corrector or barlow.
M48-Extension Tube Kit
Male thread M48x0.75;Female thread M48x0.75. Eliminates a range of focusing problems. You can use this extender with any camera or eyepiece or with various adapters. The M48*0.75 threads on both ends make it extremely versatile.
Inner Threaded Design
Internal threaded design eliminates stray lights and reflection light for clearer and sharp image during solving spacing problems in astrophotography.
Metal material
The extension tube adapter is fully metal construction and anodizing aluminium process is durable for long time use; 72.9g / 2.57oz net weight is light and will not be extra burden for your devices.
| Model | F9190A |
| Type | Astronomical M48*0.75 thread Extension Tube |
| Male thread | M48*0.75 |
| Female thread | M48*0.75 |
| Length | 5mm 10mm 15mm 30mm |
1. Made of fully anodizing aluminum material, durable for a long time use
2. When you cannot get to the right focal with a camera or eyepiece, this extension tube can solve the problem for you. This kit including three extension tubes of different length, they can be used separately or together, so you can adjust the appropriate distance to get a clear image
3. The extension tube has a M48 male thread and a M48 female thread for solving distance problems in astrophotography and eliminating a range of focusing problems
4. You can reach the extension length required by combining several extenders of different lengths