ZGYDNM M48x0.75 Focal Length Extension Ring Kit 3/5/7/10/12/15/20/30mm Telescope Photography T Extension Ring

Description

• All-metal construction and anodized aluminum process, durable.
• Use this extension ring to obtain the correct image scale or the precise spacing required for a reducer or field flattener.
• The extension ring has M48 internal and M48 external threads and is used to solve spacing problems in astrophotography and eliminate a range of focusing problems.
• The required spacing can be achieved by combining multiple extenders of different lengths.
• Type: Astronomical telescope M48 thread extension tube

Extension pipe height: 3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm
External thread: M48*0.75mm
Internal thread: M48*0.75mm

Outer diameter: 2 inches (about 50.8mm)
Color: Black

The package includes:

1 x M48 Extension Kit (3/5/7/10/12/15/20/30mm)

Please note: This combination is M48 (48 mm) thread caliber, not M42 thread caliber

Due to different production batches, the surface of the two paint colors (matte black; Bright black) is shipped randomly.

Attention:

Please allow 0-2 mm error due to manual measurement. Make sure you don't mind before you bid.
Due to differences between different monitors, the picture may not reflect the actual color of the item. Thank you!
If you really care about these details, don't order.

Shipping and Returns

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