Colposcope_Microscopesmall.com

YZH Series Colposcopes adopts infinite microscopic principle, which provides the possibility of extending the function of the instrument. The stereo microscope incorporates converging binocular tubes to allow the natural stereoscopic vision. A 8?10?convergent optical system gives the most comfortable vision to achieve binocular images.

YZH-5FTB Colposcope:

Observation angle: 45°tilted
Magnification of eyepiece: 18.5X
Focal length of objective: F=300mm
Magnification changer: 5-step: 0.4X, 0.6X, 1X, 1.6X, 2.5X
Total Magnification: 3X-17.7X
Fine focusing distance: 20mm
Illumination: Coaxial illumination with cold light source fiber-optic cable, brightness adjustable
Lamp: 21V150W halogen lamp
Filter: Build-in green filter
With beamsplitter and TV adapter. Demonstrator is optional.

Table of specification for YZH Series Colposcope:

Item	YZH-5FT	YZH-5FTB	YZH-5FRB
Observation angle	45°Tilted		From -40°to 80?/SPAN>
Magnification of eyepiece	18.5X		12.5X
Focal length of objective	300mm
Working distance	285mm
Magnification changer	5-step magnification change: 0.4x, 0.6x, 1x, 1.6x, 2.5x
Total magnification	3X-17.7X		3.3X-20.8X
Beamsplitter	No	50:50 Beamsplitter
TV adapter	No	C-mount 1/3?CCD camera attachable
Demonstrator	No	Optional	Yes
Photo adapter	No	Optional
Fine focusing distance	20mm
Filter	Built in green filter
Balanced arm	Counterweight adjustable
Illumination system	21V150W halogen lamp, brightness adjustable
Fiber-optic cable	1300mm
Stand	Short column fitted on the round base with 5 jaws

Table of optical characteristics for YZH series colposcope:

Item	YZH-5FT & YZH-5FTB					YZH-5FRB
Focal length of objective	F=300mm					F=300mm
Division value on handwheel	0.4x	0.6x	1x	1.6x	2.5x	0.4x	0.6x	1x	1.6x	2.5x
Total magnification	3x	4.3x	7x	11.3x	17.7x	3.3x	5x	8.3x	13.3x	20.8x
Linear field (mm)	65	50	32	21	13	65	50	32	21	13
Resolution (lp/mm)	23.6	35.4	39.7	42	47.2	23.6	35.4	39.7	42	47.2


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