NexiusZoom EVO (Gemology) Series

Overview

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.

Key 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

Specifications

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.

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.

MAGNIFICATIONS — NexiusZoom

Total magnification and field of view (zoom 0.67–4.5×):

• standard 1× objective (WD 110 mm): total magnification 6.7×–45×, field of view 32.8–4.9 mm
• 0.75× auxiliary lens (WD 120 mm): total magnification 5×–33.8×, field of view 43.8–6.5 mm
• 1.5× auxiliary lens (WD 53 mm): total magnification 10.1×–67.5×, field of view 21.9–3.3 mm
• 2× auxiliary lens (WD 30 mm): total magnification 13.4×–90×, field of view 16.4–2.4 mm

MAGNIFICATIONS — NexiusZoom Evo

Total magnification and field of view (zoom 0.65–5.5×):

• standard 1× objective (WD 110 mm): total magnification 6.5×–55×, field of view 35.4–4.2 mm
• 0.75× auxiliary lens (WD 120 mm): total magnification 4.9×–41.3×, field of view 47.2–5.6 mm
• 1.5× auxiliary lens (WD 53 mm): total magnification 9.8×–82.5×, field of view 23.6–2.8 mm
• 2× auxiliary lens (WD 30 mm): total magnification 13×–110×, field of view 17.7–2.1 mm

PACKAGE CONTENT

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

NexiusZoom (EVO) for gemology