T2 Extension Tube Length 3 5 7 10 12 15 20 30mm M42x0.75 Thread TA3149-TA3156

T2 Extension Tube Length 3 5 7 10 12 15 20 30mm M42x0.75 Thread TA3149-TA3156

Name: T2 Extension Tube Length 3 5 7 10 12 15 20 30mm M42x0.75 Thread TA3149-TA3156
Brand: LINGO GROUP CO.,LIMITED
SKU: TA3149 TA3150 TA3151 TA3152
Price: 1.10 $
Availability: InStock
Rating: 5 (1 reviews)

Item No.: TA3149 TA3150 TA3151 TA3152

Size Option: 3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm

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Description

Product Name: Telescope Photography M42*0.75 Extension Tube
Product Code：TA3149-TA3156
Option:3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm
Description:
1.The function of the extension cylinder is to increase the distance between the lens and the imaging screen. At this point, the 1:1 ratio has been broken, and the relationship can reach 2:1
If you have an object that's 1CM long, you can get an image of 2CM on the imaging screen
2.Fully metal construction and anodizing aluminum process, durable for long time use.
3.Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
4.The extension tube has a T2 interior thread and a T2 exterior thread for solving spacing problems in astrophotography and eliminates a range of focusing problems.

Extended focus: 20mm
Material: aluminum,
Matting: inside with matting threads
Internal thread specification: M42*0.75mm
Specification of external thread: M42*0.75mm
Appearance color: black
Total length: 24mm
Net weight: 16 g
Package include 1pc X Telescope Photography M42*0.75 Extension Tube

T2 Extension Tube Length 3 5 7 10 12 15 20 30mm M42x0.75 Thread TA3149-TA3156

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