trial frame - SJ-400

trial frame, trial lens frame # SJ-400 as good as UB4

It is suitable for visual acuity test in spectacles shops, departments of ophthalmology in hospitals, schools and enterprises.

1.Excellent performance and high measuring accuracy.

2.Actuating cam can fix the direction of astigmatism alxe.

3.The monocular pupilary distance, the height and fore-and-aft angle of the hanger loop are adjustable.

4. The unique global knob makes the operation more comfortable and easy.

5. Five pieces of trial glasses can simulataneously be put in the left and right optical frames respectively.

* Features :

1. It can hold 5 pairs of lenses of standard 38mm diameter trial lenses
2. Separate right and left PD adjustments from 46mm-80 mm
3. Easily adjust nose piece, side length, and angle ensure patient comfort
4. Closed side design keeps hair from being trapped
5. With adult and pediatric nose rests

* Technique Parameters :

1. Range of PD adjustments : PD of both eye : 48~80mm; Left or Right PD : 24~40mm;

Minimum Calibration Value : 1mm

2. Axial calibration on each disc :

Left disc : 135°~0°~140°, Right disc : 40°~180°~45°,

Axial calibration increases counter clockwise along the lens frame axis, and the calibration

distance is 5°.

3. Inner diameter of lens frame : 32.5mm

4. The number of lens inserted into left or right lens frame simultaneously: 5 pieces

5. Degree of lens rotating around optical axis in the lens frame : 360°

6. Non-parallelism degree between lens' optical axis and lens frame's geometric axis : ≤2.5°

7. Non--concentricity between lens' optical center and lens frame geometric center : ≤0.5mm

8. Displacement of lens in relation to position of lens frame geometric center : ≤0.3mm

9. Range of nose pad adjustment : vertical adjustment range : 0~18mm,

Lateral angle range : 0°~360°

9. Range of frame leg's length adjustment :110~135mm

10.Maximum interval between left and right frame legs : 200mm

11.Weight : 72g

12.Comes in packaged case.

CE,RoHS,FDA,ISO

Very High Quality Guarantee & competitive price !