Hero image 0 of 8PCS/Set 3/5/7/10/12/15/20/30mm Lens Adapter Ring Extension Tube Astronomical Telescope Accessory, 0 of 8

Cacagoo

8PCS/Set 3/5/7/10/12/15/20/30mm Lens Adapter Ring Extension Tube Astronomical Telescope Accessory

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Key item features

Easy to install, perfect replacement for the old or damaged one, reliable to use.
Made from high quality aluminum alloy, which is wear‑resistant and not easy to damage.
Using fine workmanship CNC technology, the accuracy is higher, durable.
The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm.
Various sizes of 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm are suitable for different models.

Specs

Telescope adapter type
Extension Tube
Thread size
0.75 mm
Brand
Cacagoo
Has written warranty
No

Current price is $24.02

Price when purchased online

Free shipping
Free 30-day returns

How do you want your item?

Columbus, 43215

Arrives between Apr 14 - Apr 19

Sold and shipped by Personal Care Specific

3.933673469387755 stars out of 5, based on 196 seller reviews(3.9)

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About this item

Product details

Feature:
1. Easy to install, perfect replacement for the old or damaged one, reliable to use.
2. Made from high quality aluminum alloy, which is wear‑resistant and not easy to damage.
3. Using fine workmanship CNC technology, the accuracy is higher, durable.
4. The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm.
5. Various sizes of 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm are suitable for different models.

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 focal 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.

Package 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.

Easy to install, perfect replacement for the old or damaged one, reliable to use.
Made from high quality aluminum alloy, which is wear‑resistant and not easy to damage.
Using fine workmanship CNC technology, the accuracy is higher, durable.
The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm.
Various sizes of 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm are suitable for different models.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Telescope adapter type

Extension Tube

Thread size

0.75 mm

Brand

Cacagoo

Has written warranty

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.