Binoculars & Telescopes › Extension Tube

Free Express Shipping! Tele Vue 3.5" Extension Tube for 2" Focusers Made in th... Free Express Shipping! Tele Vue 3.5" Extension Tube for 2" Focusers Made in the USA more

Alpine Astronomical Baader T-2 15mm Extension Tube Part of the Astro T-2 Modul... Alpine Astronomical Baader T-2 15mm Extension Tube Part of the Astro T-2 Modular System, Adds Spacing for System Components, Internal T-2 Threads at One End, External T-2 Threads at Other End, Stackable with Other T-2 Extension Tubes... more

Tiny Extender Higher Vision--- Updated Longer （6 inch ）Tomlov ET02 Extensi... Tiny Extender Higher Vision--- Updated Longer （6 inch ）Tomlov ET02 Extension Tube for Digital Microscope helps getting wider and higher view. Benefits from Tomlov ET02 Microscope Tube : 1 Helps getting wider and higher view in microscope... more

Explore Scientific Extension Tube for Select Rack & Pinion Focusers (0.5") Ext... Explore Scientific Extension Tube for Select Rack & Pinion Focusers (0.5") Extends Focal Plane TELESCOPES-Focusers more

Product Description: Fully metal construction and anodizing aluminum process d... Product Description: Fully metal construction and anodizing aluminum process durable for long for time use. Use this extension tube for getting the correct for image scale or the exact spacing required for reducers or field flatteners. The extension... more

EYSDON 2 Inch Eyepiece Extension Tube Adapter for Telescope Focal Length Exten... EYSDON 2 Inch Eyepiece Extension Tube Adapter for Telescope Focal Length Extension- 40/ 50/ 60mm more

EYSDON M42 Focal Length Extension Tube 3/5/7/10/12/15/20/30mm For Astronomical... EYSDON M42 Focal Length Extension Tube 3/5/7/10/12/15/20/30mm For Astronomical Telescope Photography T2 Extending Ring -#90790 more

Water Resistance Level: IPX6 Eyepiece diameter: 1.25 Inch T Interface: 1.25 In... Water Resistance Level: IPX6 Eyepiece diameter: 1.25 Inch T Interface: 1.25 Inches Tail Thread: M42x0.75 thread Variable Length: 38mm Usage: for Professional Astronomy Telescopes Camera Photography Tips: For eyepiece projection photography the... more

Name: Telescope Extension Ring Extended length: 3mm-30mm choose the correspond... Name: Telescope Extension Ring Extended length: 3mm-30mm choose the corresponding length according to your own needs. Extinction treatment: with extinction thread inside. Interface internal thread specification: M48 x 0.75mm External thread... more

Become an astute photographer with the precision-engineered Explore Scientific... Become an astute photographer with the precision-engineered Explore Scientific 1 Extension Tube specifically crafted for Rack and Pinion Focusers. This high-quality extension tube is a must-have accessory for any serious photographer looking to... more

This Leylor M48*0.75 Extension Tube is a durable black alloy accessory designe... This Leylor M48*0.75 Extension Tube is a durable black alloy accessory designed specifically for astronomical telescopes available in versatile lengths of 5mm 10mm 15mm and 30mm. Crafted from high-quality aluminum through an anodic oxidation process... more

Description: Fully metal construction and anodizing aluminum process durable f... 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 a T2... more

Feature: 1. Focusing Problem Elimination: The extension tube has M48 female th... Feature: 1. Focusing Problem Elimination: The extension tube has M48 female thread and M48 male thread which is used to solve the spacing problem in astrophotography and eliminate a series of focusing problems. Specification: Item Type: Focal Length... more

Today's larger imaging sensors require more light and with the Alpine Astronom... Today's larger imaging sensors require more light and with the Alpine Astronomical Baader M48 Extension Tube you get it. Unlike the smaller more common T-2 size the larger M48 provides significantly more light throughput and its 5mm optical length... more

M42/M48 Extension Tube Kit 3/5/7/10/12/15/20/30mm M48x0.75 on Both Sides for A... M42/M48 Extension Tube Kit 3/5/7/10/12/15/20/30mm M48x0.75 on Both Sides for Astronomy Profession Telescope Astrophotography more

T2 Thread Extension Tube Spacer Ring M42x0.75 for Telescope Eyepiece Extend 3/... T2 Thread Extension Tube Spacer Ring M42x0.75 for Telescope Eyepiece Extend 3/5/7/10/12/15/20/30mm more

Features: Elevates your stargazes experience with this comprehensive set of 8 ... Features: Elevates your stargazes experience with this comprehensive set of 8 telescope extenders engineered to fit standard 2inch M48 0.75 thread mounts for seamlessly compatibilities. Crafts from quality alloy using advanced technology these... more

EYSDON 1.25 Inch Telescope Eyepiece Extension Tube Add 38mm Focal Length with ... EYSDON 1.25 Inch Telescope Eyepiece Extension Tube Add 38mm Focal Length with 2pcs Thumbscrews -#91710 more

Features: Elevates your stargazes experience with this comprehensive set of 8 ... Features: Elevates your stargazes experience with this comprehensive set of 8 telescope extenders engineered to fit standard 2inch M48 0.75 thread mounts for seamlessly compatibilities. Crafts from quality alloy using advanced technology these... more

Extension tube for eye telescope or 1.25 inch filter Made of aluminum black an... Extension tube for eye telescope or 1.25 inch filter Made of aluminum black anodized This 1.25 inch extension tube adds some length to the light path of your telescope and provides an extra rear trip for short-range ground vision The brass... more