TW-1101A Deluxe Trial Frame

Model:	TW-1101A
Brand:	Towoo
Origin:	Made In China
Category:	Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument
Label:	trial frames , ophthalmic instrumen , optical equipment
Price:	-
Min. Order:	-

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Product Description

specifications:	Range of PD adjustments: PD of both eyes: 48 ~ 80mm left or right PD: 24 ~ 40mm Minimum graduated value: 1mm Dividing disc axial graduation: Left dividing disc: 120degree~0degree~135 degree Right dividing disc: 45degree~180degree~60degree Axial graduation increases along the lens frame axis counter clockwise,and the graduated distance is 50. Inner diameter of lens frame: 32.5mm. Number of lens which can be inserted into left or right lensframe simultaneously: 4 pieces Degree of lens rotating around optical axis in the lens frame: 360 degree. Nonparallelism between lens´optical axis and lens frame´s geometric axis: ≤2.5 degree. Non-concentricity between lens´optical center and lens frame geometric center: ≤0.5mm. Displacement of lens in relation to position of lens frame geometric center: ≤0.3mm. Range of nose rest adjustment: Length:0 ~ 14mm; angle:0 degree ~ 30 degree Range of left or right lens frame leg´s length adjustment: 98 ~ 135mm. Maximum interval between left and right lens frame legs:200mm. Weight:70g

specifications:

Range of PD adjustments:
PD of both eyes: 48 ~ 80mm
left or right PD: 24 ~ 40mm
Minimum graduated value: 1mm

Dividing disc axial graduation:
Left dividing disc:
120degree~0degree~135 degree
Right dividing disc:
45degree~180degree~60degree
Axial graduation increases along the lens frame axis counter clockwise,and the graduated distance is 50.

Inner diameter of lens frame:
32.5mm.

Number of lens which can be inserted into left or right lensframe simultaneously:
4 pieces

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

Nonparallelism between lens´optical axis and lens frame´s geometric axis:
≤2.5 degree.

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

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

Range of nose rest adjustment: Length:0 ~ 14mm;
angle:0 degree ~ 30 degree

Range of left or right lens frame leg´s length adjustment:
98 ~ 135mm.

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

Weight:70g