Products

Rich Field Astronomical Views This Startravel 102mm (4") f/5 telescope is a two-element, air-spaced, fully multi-coated objective, achromatic refr...

Author: Stephen James O'Meara Hardcover: 380 pages The Herschel 400 is a list of 400 galaxies, nebulae, and star clusters, picked from over 2,500 d...

Sun Catcher Solar Eclipse Glasses (4-Pack Assortment) Watch the Total Eclipse Event on April 8th, 2024 in safety, comfort, and style. Made with an...

NOTE: Explore Scientific Eclipse Glasses are rated ISO12312–2, tested and approved by ICS Labs for Direct Observation of the Sun. In addition, Expl...

100% Safe for Eclipse Viewing Lightweight and generally does not require rebalancing tube assembly. Stronger than any other solar filter film on t...

What sets Super Mount CYG  tripods apart? The answer is users have the flexibility to spread each leg wider than other carbon tripods, up to 32° fo...

Sky-Watcher’s SynScan USB brings older Sky-Watcher mounts into the 21st century, by eliminating the need for outdated serial connections. For thos...

Use this adapter to connect a T-ring or T-mount camera to a 2" focuser. Low profile design keeps backfocus short. Threaded for 48mm filters.

T-Adapter for 8” EdgeHD optical tube threads onto the rear cell.This T-Adapter allows you to attach your 35mm DSLR camera to the prime focus of you...

  T-Adapter for 9.25, 11 & 14” EdgeHD optical tubes. It threads onto the rear cell This T-Adapter allows you to attach your 35 mm DSLR camera...

Adapts T-thread accessories such as camera T-rings to Celestron C90 and C130.

T-Adapter attaches an SLR or DSLR camera to a Schmidt-Cassegrain telescope for prime focus photography Threads on to the rear cell of Schmidt-Cass...

The T-adapter supports two length configurations: one designed for the standard 133.35mm backfocus of f/10 systems, and a shorter version suited fo...

T-thread adapter for autofocus Canon EOS EF cameras.

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This adapter converts T-threads (M42) to C-threads (1.0"). It has female T-threads on the bottom and male C-threads on the top. The adapter adds 5....

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Availabl...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Availabl...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Availabl...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Availabl...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Availabl...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters by 16.5mm.

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. 21mm in ...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Many acc...