Tele Vue Canon 2.4" Wide T-Adapter (CWT-2070) T-Adapter The input port is used

The input port is used to recharge the internal lithium-ion battery

Highly reflective coatings on both the primary and secondary mirror enhance the views even more

For visual use

the glass has 58 layers of dielectric coatings

To insert your phone

Tele Vue Canon 2.4" Wide T-Adapter (CWT-2070) T-Adapter The input port is usedCanon EOS cameras are popular with astro imaging enthusiasts. But, the typical T ring telescope setup does not take advantage of the wide aperture of the Canon bayonet mount: significant vignetting is caused by the constriction of the T ring opening. Canon Wide T Adapter with Bayonet for 2. 4" connects to your EOS in place of the T ring and provides 25% greater aperture to minimize vignetting.