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EYSDON 2 Inch M48 Focal Length Extension Tube 3/5/7/10/12/15/20/30mm Astronomical Telescope Photography T Extending Ring -#90791
Description
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 M48 interior thread and a M48 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 M48*0.75 thread Extension Tube
Extension Tube Height: 3mm/ 5mm/ 7mm/ 10mm/ 12mm/ 15mm/ 20mm/ 30mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
Color: Black
Package Include:
1 x M48 Extension Tube Ring
Please Note:
This is M48 (48mm) thread caliber, not M42 threadcaliber
Note:
Please allow 0-2mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
If you really care about these details, pls DO NOT order.
M48-3MM
Extension Tube Height: 3mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-5MM
Extension Tube Height: 5mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-7MM
Extension Tube Height: 7mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-10MM
Extension Tube Height: 10mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-12MM
Extension Tube Height: 12mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-15MM
Extension Tube Height: 15mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-20MM
Extension Tube Height: 20mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
M48-30MM
Extension Tube Height: 30mm
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Outer Diameter: 2in/ 50.8mm
Additional information
| Weight | 0.045 kg |
|---|---|
| Dimensions | 23 × 19 × 5 cm |
3 reviews for EYSDON 2 Inch M48 Focal Length Extension Tube 3/5/7/10/12/15/20/30mm Astronomical Telescope Photography T Extending Ring -#90791
Recently viewed
Great price.
But be aware due to this very small length (3mm extension tube length), there isn't mush room for the internal threads, hence when making up to other components, its not able to buck down all the way to the edge, therefore extension length when made up will be in excess of 3mm (about 0. 4-0. 5mm extra).
Great price.