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Specification
AgeRangeDescription : Adult
Brand : Greensen
BulletPoint1 : Precise Design: Crafted with fine workmanship using cnc technology, this extension tube offers high accuracy and durability for optimal performance.
BulletPoint2 : Easy to Install: This lens adapter ring extension tube is a perfect replacement for the old or damaged one, ensuring reliable and easy use.
BulletPoint3 : Material: Made from premium aluminum alloy, this extension tube is wear-resistant and , guaranteeing long-lasting performance.
BulletPoint4 : Various Sizes: With 3mm to 30mm options available, this extension tube is suitable for different , providing flexibility and convenience for users.
BulletPoint5 : Versatile Thread Specification: The female and male thread specifications of m42x0.75mm ensure compatibility with a wide range of devices.
Color : default
Department : Unisex Adult
ExternallyAssignedProductIdentifier : 7619470309334
Finderscope : Reflex
FocusType : Manual Focus
ItemName : Lens Adapter Ring Extension Tube Set 8PCS 3/5/7/10/12/15/20/30mm, Ring Extension Tube Astronomical Telescope Accessory for Astronomical Telescope Length Extension
ItemPackageDimensions_Height : 5 centimeters
ItemPackageDimensions_Length : 19 centimeters
ItemPackageDimensions_Width : 14 centimeters
ItemPackageQuantity : 1
ItemShape : Square
ItemTypeKeyword : camera-lens-extension-tubes
ItemTypeName : Adapters & Converters
Manufacturer : Greensen
ModelName : Greenseniqgt38sebz
ModelNumber : Greenseniqgt38sebz
PartNumber : Greenseniqgt38sebz
PolarizationType : Non-Polarized
ProductDescription : Specification:
Item Type: Lens Extension Tubes
Material: Aluminum Alloy
Color: Black
Product Size: Approx.3mm / 0.12in, 5mm / 0.20in, 7mm / 0.28in, 10mm / 0.39in, 15mm / 0.59in, 20mm / 0.79in, 30mm / 1.18in, 12mm / 0.47in
Application: Extend the length of the primary mirror of the astronomical telescope
Extinction Treatment: Internal with extinction thread
Interface Female Thread Specification: M42x0.75mm
Interface Male Thread Specification: M42x0.75mm

How to Use:
1. Remove the objective lens.
2. Connect the telephoto tube to the eyepiece and the objective lens.
3. Then connect the objective lens.

Packing list:
1 x 3mm Extension Tube
1 x 5mm Extension Tube
1 x 7mm Extension Tube
1 x 10mm Extension Tube
1 x 12mm Extension Tube
1 x 15mm Extension Tube
1 x 20mm Extension Tube
1 x 30mm Extension Tube

Note:
1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

ProductSiteLaunchDate : 2024-04-01T17:32:43.515Z
Size : #411
Style : Minimalist