SPZ-50 Stereo Zoom Microscope

Product #: SPZ-50

Price: $1,000.99

Provides crisp clear 3D images, long working distance and a wide field of view. 6.7x to 50x continuous zoom with 10x eyepieces.

Create your customized system from the options below. Follow the step-by-step process to choose your stand, mount, illumination, auxiliary lenses and eyepieces for a complete custom solution tailored to your needs. After you have made your selections, add the item to the cart.

If you need help customizing a system contact us at 734-973-0099 or sales@aveninc.com


SPZ binocular stereo zoom microscopes offers the best in class zoom ratio with super sharp 3D images, wide field of view and long working distance which makes it an ideal choice for high throughput inspection stations and engineering and science labs. High precision optics ensures excellent contrast and high definition 3D images from edge to edge. Magnification range from 2.25x to 200x with optional auxiliary lenses and eyepieces. A wide variety of stands and illumination is available to provide you with a microscope system to meet your individual requirements.

NOTE: 0.5x Auxiliary Lens cannot be used on this SPZ series body with stand P, PF, T and TL

Wide Magnification Range

Aven’s SPZ-50 Stereo Zoom Microscope has a magnification range of 6.7x to 50x, which can be enhanced to up to 200x with optional auxiliary lenses and eyepieces.

Zoom Adjustment

Graduations on the zoom knob tell operators the exact magnifications at which they are working. For applications requiring very specific adjustments, this is a particularly convenient feature.

SPZ-50 Stereo Zoom Microscope on Articulating Arm Stand

SPZ-50 Stereo Zoom Microscope on Articulating Arm Stand

High Eye Point

10x Eyepieces ensure comfortable viewing for all operators, including those who require eyeglasses. Diopter Adjustment on both Eyepiece Tubes and a highly Adjustable Interpupillary Distance of 52mm to 75mm provides operators with even more flexibility in their individual applications.

The Aven Advantage


Choose your stand

Focus Mounts

Tiltable Arbor

If you selected a Boomstand or Articulating Arm Stand and Focus Mount 26800B-517 select the Tiltable Arbor. (Required to complete the system)

Ring Lights & Adapter

Choose your Illumination (Suitable for most applications). * NOTE - Not compatible with Pole, Track or Gem stands and requires Tiltable Arbor for all stands except 26800B-570

Fiber Optic Illumination

Choose your Illumination (Where high-intensity light is needed)


Choose Eyepieces to increase the magnification of the unit. (Microscope head includes 10X Eyepieces.)

Reticle Eyepieces

Do you need a scale overlay over the magnified object? All eyepieces are 10X. (Sold individually)

Auxiliary Lenses

Choose Auxiliary Lenses to increase or decrease the magnification.

Lens Cover

Do you need a Lens Cover to protect the microscope?

Eye Guards

Do you need another set of Eye Guards? (Microscope head includes one set.)


  • Large zoom ratio 7.46:1- best zoom ratio in class
  • Field of View 34.3mm to 3.6mm (1.35″ to 0.14″)
  • Working distance 108mm (4.25″) – the best in class
  • 17mm (0.67″) high eye point wide field 10x eyepieces (field number 23) for comfortable viewing even for operators with eyeglasses
  • Diopter adjustment on both eyepiece tubes


SPZ-50 Stereo Zoom Microscope
Body Type Binocular, 360° rotatable, 45° inclined eyepiece tube
Eyepieces Two 10x(FN23)eyepieces supplied with microscope body. Optional 15x(FN15) and 20x(FN11.4) available to extend magnification range
Auxiliary lens 0.5x, 0.75x, 1.6x and 2x auxiliary lenses available to extended magnification range of microscope
Working Distance 108mm without auxiliary lens
240mm with 0.5x auxiliary lens
132mm with 0.75x auxiliary lens
50mm with 1.6x auxiliary lens
41mm with 2x auxiliary lens
Zoom Ratio 7.46:1
Diopter Adjustment On both eye tubes: +5.6D-.72D
Interpupillary Distance Adjustable from 52 to 75mm
Optical System Greenough
Package Contents 1 ea. SPZ Binocular Stereo Zoom Microscope Body
2 ea. 10x Eyepieces
2 ea. Rubber Eyeguards
1 ea. Dust Cover
1 ea. Instruction Manual
Weight 5lb

Optical Data

Eyepiece | DHW10X (F.N. 23)
Auxiliary Lens Nil w/0.5x w/0.75x w/1.6x w/2x
Magnifications 6.7x-50x 3.35x-25x 5x-37.5x 10.72x-80x 13.4x-100x
Working Dist. 108mm 240mm 132mm 50mm 41mm
Field of View 34.3-4.6mm 68.9-9.2mm 45.7-6.1mm 21.4-2.8mm 17.1-2.3mm
Eyepiece | DHW15X (F.N.15)
Auxiliary Lens Nil w/0.5x w/0.75x w/1.6x w/2x
Magnifications 10.05x-75x 5.02x-37.5x 7.53x-56.25x 16.08x-120x 20.1x-150x
Working Dist. 108mm 240mm 132mm 50mm 41mm
Field of View 22.3-3mm 44.7-6mm 29.8-4mm 16-1.8mm 11.1-1.5mm
Eyepiece | DHW20X (F.N. 11.4)
Auxiliary Lens Nil w/0.5x w/0.75x w/1.6x w/2x
Magnifications 13.4x-100x 6.7x-50x 10.05x-75x 21.44x-160x 26.8x-200x
Working Dist. 108mm 240mm 132mm 50mm 41mm
Field of View 17-2.2mm 34-4.5mm 22.6-3mm 10.6-1.4mm 8.5-1.1mm


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