China Bestscope BS-3500 Zoom Stereo Microscope

Introduction
Stereo microscopes are also known as low magnification and dissecting microscopes. BS-3500 Stereo Zoom Microscopes offer high quality 3D images throughout the zoom range. Optional eyepieces and auxiliary objectives expand magnification range and working distances.
BS-3500 is a very popular zoom stereo microscope. Optional cold light and ring light can be chosen for this microscope. You can also choose trinocular head to add digital camera with the appropriate camera adapter. In summary BS-3500 gives many range of magnifications, working distances, photo options, accessories and is very convenient to use no wonder it is popular!
Features
1. Updating Optional design, large depth of field, stereoscopic effect.
2. Ergonomic design, sharp image display, wide viewing field and easy to operate.
3. Providing a wide viewing field of Φ 23mm with the zoom ratio of 1: 7.6.
4. Transmitting & Reflecting LED Illumination.
5. Ideal instrument in academic, medical and industrial field.
Application area
BS-3500 series stereo microscopes are of great value in a variety of applications such as school education, circuit board repair, circuit board inspection, surface mount technology work, electronics inspection, coin collecting, gemology and gemstone setting, engraving, repair and inspection of small parts.

SpecificationsModel
BS-3500B BS-3500TOptional systemGreenoughYesYesViewing HeadBinocular head, inclined at 45°, rotatable360°,
Interpupilary Distance 54-76mmYes
Trinocular head, inclined at 45°, rotatable360°,
Interpupilary Distance, 54-76mm
YesEyepiece10x/Φ23mm high point, diopter adjustableYesYes20x/Φ13 mmOptionalOptional25x/Φ11 mmOptionalOptional10x Eyepiece with cross lineOptionalOptionalObjectiveZoom objective0.66x~5xYesYesAuxiliary objective0.5x, W.D. 189mmOptionalOptional0.75x, W.D. 122mmOptionalOptional2x, W.D. 36mmOptionalOptionalZoom Ratio1:7.6OptionalOptionalMagnification6.6x~50xYesYesWorking Distance110mmYesYesIlluminationLED Reflected illumination 3WYesYesHalogen Reflected illumination 12V/15WOptionalOptionalLED Transmission illumination 3WYesYesHalogen Reflected illumination 12V/15WOptionalOptionalAttachmentPhoto Attachment(For Nikon, Canon, Olympus, Sony DSLR)OptionalOptional0.35x(adjustable), 0.5x, 0.75x Video AttachmentOptionalOptionalPackage & Dimension32cm*30cm*42cm, 1pc/carton, 6kgYesYesNote: Yes Standard Outfit, Optional Standard Optional

Objective, Eyepiece Parameter ListObjectives0.5x0.75x1x(built in)2xWorking distance (mm)189mm122mm110mm36mm10x Eyepiece
Φ23mmMagnification3.3~254.95~37.56.6~5013.2~100Field dia. (mm)62.86~9.5741.90~6.38 31.43~4.78 15.71~2.3920x Eyepiece
Φ13mmMagnification7~4610.5~6914~9228~184Field dia.(mm)37.14~5.65 24.76~3.7718.57~2.839.29~1.4125x Eyepiece
Φ11mmMagnification8.8~57.513.1~86.317.5~11535~230Field dia.(mm)31.43~4.78 20.95~3.19 15.71~2.39 7.86~1.20

SpecificationsModel
BS-3500B BS-3500TOptional systemGreenoughYesYesViewing HeadBinocular head, inclined at 45°, rotatable360°,
Interpupilary Distance 54-76mmYes
Trinocular head, inclined at 45°, rotatable360°,
Interpupilary Distance, 54-76mm
YesEyepiece10x/Φ23mm high point, diopter adjustableYesYes20x/Φ13 mmOptionalOptional25x/Φ11 mmOptionalOptional10x Eyepiece with cross lineOptionalOptionalObjectiveZoom objective0.66x~5xYesYesAuxiliary objective0.5x, W.D. 189mmOptionalOptional0.75x, W.D. 122mmOptionalOptional2x, W.D. 36mmOptionalOptionalZoom Ratio1:7.6OptionalOptionalMagnification6.6x~50xYesYesWorking Distance110mmYesYesIlluminationLED Reflected illumination 3WYesYesHalogen Reflected illumination 12V/15WOptionalOptionalLED Transmission illumination 3WYesYesHalogen Reflected illumination 12V/15WOptionalOptionalAttachmentPhoto Attachment(For Nikon, Canon, Olympus,
Sony DSLR)OptionalOptional0.35x(adjustable), 0.5x, 0.75x Video AttachmentOptionalOptionalPackage & Dimension32cm*30cm*42cm, 1pc/carton, 6kgYesYesNote: Yes Standard Outfit, Optional Standard Optional

Objective, Eyepiece Parameter ListObjectives0.5x0.75x1x(built in)2xWorking distance (mm)189mm122mm110mm36mm10x Eyepiece
Φ23mmMagnification3.3~254.95~37.56.6~5013.2~100Field dia. (mm)62.86~9.5741.90~6.38 31.43~4.78 15.71~2.3920x Eyepiece
Φ13mmMagnification7~4610.5~6914~9228~184Field dia.(mm)37.14~5.65 24.76~3.7718.57~2.839.29~1.4125x Eyepiece
Φ11mmMagnification8.8~57.513.1~86.317.5~11535~230Field dia.(mm)31.43~4.78 20.95~3.19 15.71~2.39 7.86~1.20