BBLabs PiFinder with Push-To Guidance - Flat Model - USB-C without Battery Photo Adapters It is a 2" barrel

It is a 2" barrel type eyepiece with a 6-element optical lens design

Storage: 128GB EMMC included

When compared with a “Hyperstar SCT” system

Mirror inverted OPTICAL TUBE LENGTH 112 CLAMPING SYSTEM ClickLock DEFLECTION ANGLE 90° INNER DIAMETER / CLEAR APERTURE (MM) 46

Celestron PowerTank 17 - 12v Power Supply Features

BBLabs PiFinder with Push-To Guidance - Flat Model - USB-C without Battery Photo Adapters It is a 2" barrelPiFinders plate solving technology means theres no need for encoders or complex star alignment. Just power it up, select an object, and get immediate push to guidance from dark sites or light polluted city balconies. Mounts like a finder, works like sophisticated DSCs, and includes powerful observing tools. Get more out of your observing time, with PiFinder! The PiFinder listed here is the Flat Model and power is provided by a USB C cable plugged into