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Metal Eyepiece Tube Adapter M48x0.75 Adapter Wide for Astronomical Telescope
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 M48 interior thread and 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.
Please Note: This is M48 (48mm) thread diameter, not M42 thread diameter. Please make sure this is the correct size and thread before purchasing.
Specification:
Type: Astronomical Telescope M48 thread Extension Tube
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Length: 3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm(Optional)
Color: Black
Size Chart:
3mm/0.12inch
5mm/0.20inch
7mm/0.0.28inch
10mm/0.39inch
12mm/0.47inch
15mm /0.59inch
20mm/0.79inch
30mm/1.18inch
Package Includes:
1 Extension Tube
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