JIADUOFU Pd 48-80mm adjustable trial lens frame optometric universal optical trial frame, 50g ultralight optometry test lens titanium optical test eyepiece

Description

• Ultralight trial frame50g ophthalmic titanium insert, sturdy and durable, will not rust; nosepiece is made of silicone, ergonomic and comfortable to wear. 5 lenses at the same time, 3 lenses in the front and 2 lenses in the back; improve the convenience of optometry, not much weight when using.
• Adjustable interpupillary distanceEye optometry trial lens frame the adjustable range of interpupillary distance of both eyes is 48 ~ 80 mm, the left and right interpupillary distance is 24 ~ 40 mm, the maximum scale is 1 mm and the adjustable range of single eye is 24 ~ 40 mm
• Adjustable pupil heightThrough the pupil height adjustment knob on the test frame, it can be adjusted according to the pupil needs of different subjects.
• Eye distance measurementIt has the function of inter-eye distance measurement ruler, and the distance from the innermost lens to the corneal vertex can be accurately calculated by testing the ruler on the frame.
• Adjustable optic trial lens frameThe anterograde angle of the test frame can be adjusted according to the different face shapes of customers, and the length of the temples can be adjusted, the scale is accurate and the calculation is convenient.

Optometric universal lens trial frame is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises.

Feature:
1. Professional optometry test frame, ultralight glasses trail accessory.
2. Mainly used for optical lens trail, for glasses trail, comfortable to wear.
3. With high accuracy, universal and apply to various glasses, practical tool.
4. Precise workmanship, humanized designs, no harm for your eyes or skin.

Product name: Optical trial lens frame
Adjustment range of interpupillary distance: The interpupillary distance range of both eyes is 48~80mm; the left and right interpupillary distances are each 24~40mm; the minimum scale value is 1mm
The axis scale of the indexing plate: The left indexing plate is 130*~0*~ 120, the right indexing is 50*~180*~60*, the axis scale increases counterclockwise along the axis of the mirror frame, and the scribing interval is 5
Frame effective inner aperture: 33.5mm
The number of lenses that can be inserted into the left and right frames: 5 (front 3 and rear 2)
Rotation degrees of the optical axis of the lens in the inner circle of the frame: 360
The non-parallelism between the optical axis of the lens and the geometric axis of the frame: 2.5
The misalignment between the optical center and the geometric center of the lens: 0.5mm
The displacement of the lens relative to the geometric center of the frame: 0.3mm
Adjustment range of nose pads: Adjustable length: 0~-26mm angle: Any angle
The adjustable length range of the left and right temple feet: 0~30mm
Packing weight: About 0.8kg
Packing size: About 20x10x5cm

Packing list:
1 * optical trial lens frame

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