TeleVue EBX-2120 – 2″ Eyepiece Holder Extension

TeleVue EBX-2120 – 2″ Eyepiece Holder Extension

The TeleVue EBX-2120 is a solid 2" extension for your focuser. This extension tube increases the available back focus and allows for 2" eyepiece filters to use in combination with your eyepieces.

The extension adds 1.2 inches (30.48 mm) Add extra length to the optical train. This may be necessary when you don't have enough focusing range or when combining accessories that require extra build length.

More flexibility in your optical train

With this 2" eyepiece holder extension Can you make complete eyepiece sets parafocal? This means that when switching eyepieces, you barely have to adjust the focuser - ideal during dark observing sessions.

In addition, the extension bus offers the possibility to 2" filters to assemble in a practical and safe way.

Sturdy construction and perfect fit

As you would expect from TeleVue, the finish is precise and mechanically reliable. The fit in a 2″ focuser is exact, so your accessories remain mounted stably and without play.

What we recommend

• For homofocal clamping, you need an extra fine adjustment ring per eyepiece.
• A suitable option is the Baader Finetuning Stop Ring
• Check in advance if you actually need extra back focus

What you can do with it

• Additional backfocus create in your optical setup
• 2" eyepiece filters use in conjunction with your eyepieces
• Make eyepiece sets parfocal for faster switching

Specifications

General

• Type: Adapter
• Design: Extension
• Connection: 2″
• Extension 1.2 inches (30.48 mm)