Eyepiece Tubes

Model	Beam Split Ratio	Field Number	Sleeve Diameter (mm)	ISO Photo Tube
Erect-image Trinocular tube TI	Observation: 100% Photo: 100%	22/25	30	Attachable
Trinocular tube "F" UW	Observation: 100% Photo: 100%	22/25	30	Attachable
Trinocular tube "T" UW	Observation: 100% Photo: 100%	22/25	30	Attachable
Ergonomic binocular tube	Observation: 100% Photo: 100%	22	30
Binocular tube B	Observation: 100% Photo: 100%	22	30