NexiusZoom (EVO) for gemology

You are here: › › › › NexiusZoom (EVO) for gemology

The specialized backwards tilting stand of the NexiusZoom and NexiusZoom EVO stereo microscopes for gemology applications offers 30W halogen transmitted illumination towards the specimen at oblique angles. This enables the examination of your gems in perfect darkfield conditions. The stand is available with 1 W LED or a 7 W fluorescent incident illumination for brightfield contrast

icons are used to indicate the several functions of a microscope
Click and find more details about the meaning of each icon

Highlights

Designed for gemstone research
Binocular and trinocular heads
Standard HWF 10x eyepieces with 22 mm or 23 mm field of view
Zoom objectives with 0.7 to 4.5x or 0.65 to 5.5x magnification
Ergonomic designed backwards tilting stand
30 Watt halogen transmitted illumination
1W LED or 7W fluorescent incident illumination
Configurations up to 220x magnification

Models

Specifications

Accessories

Downloads

MODELS

MODELS	Binocular	Trinocular	Objective 0.67-4.5	Objective 0.65-5.5	1 W LED incident illumination	7 W fluorescent incident illumination	30 W halogen transmitted illumination	Working distance (mm)
ENZ‑1902‑GEML	•		•		•		•	110
ENZ‑1902‑GEMF	•		•			•	•	110
ENZ‑1702‑GEML	•			•	•		•	110
ENZ‑1702‑GEMF	•			•		•	•	110
ENZ‑1903‑GEML		•	•		•		•	110
ENZ‑1903‑GEMF		•	•			•	•	110
ENZ‑1703‑GEML		•		•	•		•	110
ENZ‑1703‑GEMF		•		•		•	•	110

EYEPIECES
The standard NexiusZoom is supplied with a pair of HWF 10x/22 mm eyepieces
The NexiusZoom Evo is supplied with a pair of HWF 10x/23 mm eyepieces

HEAD
Binocular or trinocular heads with 45° inclined tubes. Both eyepieces with ± 5 diopter adjustments. Interpupillary distance adjustable between 54 mm and 75 mm

OBJECTIVES
The standard NexiusZoom is supplied with a 1:6.7 zoom objective with 0.67x to 4.5x magnifications, a field of view from 33 mm to 4.9 mm. Working distance 110 mm. Standard magnification is 6.7 to 45x

The NexiusZoom Evo is supplied with a 1:8.4 zoom objective with 0.65x to 5.5x magnifications, a field of view from 35.4 mm to 4.2 mm. Working distance approx. 110 mm. Standard magnification is 6.5 to 55x

Auxiliary lenses 0.75x, 1.5x and 2.0x available.
All optics are anti-fungus treated and anti-reflection coated for maximum light throughput

STAND
Ergonomical designed stand with backwards 0 to 45° tilting arm with 76 mm head holder, suitable for darkfield and brightfield. Built-in 100‐240 V power supply

STAGE
Flat darkfield stage with clamp object holder, iris diaphragm and incident illumination. Clamp object holder can be placed on left or right side

ILLUMINATION
30 Watt halogen transmitted illumination, adjustable intensity
1 Watt LED, adjustable intensity, or 7 Watt fluorescent incident illumination, intensity not adjustable
Both illuminators can be used simultaneously

PACKAGE CONTENT
Supplied with power cord, clamp object holder, dust cover, a spare fuse and user manual. All packed in a polystyrene box

MAGNIFICATIONS

NexiusZoom Working distance and field of view with standard HWF 10x / 22 High Wide Field eyepieces

Zoom indication	Objective 1x (standard) Working distance 110 mm		Auxiliary lens 0.75x Working distance 120 mm		Auxiliary lens 1.5x Working distance 53 mm		Auxiliary lens 2x Working distance 30 mm
	Total Magnifications	Field of view in mm	Total Magnifications	Field of view in mm	Total Magnifications	Field of view in mm	Total Magnifications	Field of view in mm
0.67	6.7	32.8	5.0	43.8	10.1	21.9	13.4	16.4
0.7	7.0	31.4	5.3	41.9	10.5	21.0	14.0	15.7
0.8	8.0	27.5	6.0	36.7	12.0	18.3	16.0	13.8
1.0	10.0	22.0	7.5	29.3	15.0	14.7	20.0	11.0
1.5	15.0	14.7	11.3	19.6	22.5	9.8	30.0	7.3
2.0	20.0	11.0	15.0	14.7	30.0	7.3	40.0	5.5
3.0	30.0	7.3	22.5	9.8	45.0	4.9	60.0	3.7
4.0	40.0	5.5	30.0	7.3	60.0	3.7	80.0	2.8
4.5	45.0	4.9	33.8	6.5	67.5	3.3	90.0	2.4

NexiusZoom Evo Working distance and field of view with standard HWF 10x / 23 High Wide Field eyepieces

Zoom indication	Objective 1x (standard) Working distance 110 mm		Auxiliary lens 0.75x Working distance 120 mm		Auxiliary lens 1.5x Working distance 53 mm		Auxiliary lens 2x Working distance 30 mm
	Total Magnifications	Field of view in mm	Total Magnifications	Field of view in mm	Total Magnifications	Field of view in mm	Total Magnifications	Field of view in mm
0.65	6.5	35.4	4.9	47.2	9.8	23.6	13.0	17.7
0.7	7.0	32.9	5.3	43.4	10.5	21.9	14.0	16.4
0.8	8.0	28.8	6.0	38.3	12.0	19.2	16.0	14.4
1.0	10.0	23.0	7.5	30.7	15.0	15.3	20.0	11.5
1.5	15.0	15.3	11.3	20.4	22.5	10.2	30.0	7.7
2.0	20.0	11.5	15.0	15.3	30.0	7.7	40.0	5.8
3.0	30.0	7.7	22.5	10.2	45.0	5.1	60.0	3.8
4.0	40.0	5.8	30.0	7.7	60.0	3.8	80.0	2..9
4.5	45.0	5.1	33.8	6.8	67.5	3.4	90.0	2.6
5.5	55.0	4.2	41.3	5.6	82.5	2.8	110	2.1