Free Shipping for Contiguous US (Orders $99+)
5/1 Years Warranty
Return Policy

We Offer World Wide Shipping (We are Based in California, USA)

Free Shipping within the Contiguous U.S.
We offer Free Economy Ground Shipping on all orders to U.S. contiguous locations placed on our website. When you select Free Shipping at checkout, we’ll ship your order with the most cost-effective shipping method. If you prefer a specific carrier, please select a paid shipping option instead of Free Shipping.

Note on Purchase Orders: Free shipping is only offered for orders placed online, and paid by Credit Card/Debit Card, or PayPal on our website. You may place your Purchase Order online, and enter your PO # in the Order Comments, and this PO# will show on your Packing Slip. Free shipping does not apply to Purchase Orders sent by email. If you are a company or university and emailing us a Purchase Order, the shipping fee will be added onto your invoice. Alternatively, you may provide a shipping account for us to ship the order under.

Free shipping does not apply to orders of any international and non-contiguous U.S. locations, such as Alaska, Hawaii, all off-shore U.S. territories and possessions, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands.

Expedited Shipping
We offer expedited shipping via FedEx and UPS.

For all expedited shipping services, such as Overnight, Next Day, etc - While we will do our part to ensure the packages are received by the shipping carriers to meet the shipping cut off times, please note that once the package leaves our warehouse, we are no longer responsible for the delivery of the package. The shipping carrier is responsible for delivering your package.

Shipping On Your Shipping AccountWe can ship your order on your own shipping account, if you are ordering for a business or organization and have a shipping account with FedEx or UPS.

  • At Checkout, under Shipping Methods, select Ship on my account.
  • Under "Order Comments" section, enter your: Carrier, Shipping Service, Account #, Zipcode, Add Insurance or No Insurance.
  • For example: "Ship on our account using UPS 2nd Day Air AM, Acct #: 12345, Zipcode: 90024, Add Insurance."
  • *Shipping Carrier Insurance insures the package through your shipping carrier on your account. If insurance instructions are not specified, we will automatically fully insure the package through the carrier.

Shipping Costs
If you select services other than "Free Shipping" during checkout, your order will be shipped per your selected shipping method, and the shipping fee will be added to your order/invoice. Shipping costs are provided by the shipping carriers and calculated based on shipping location, product dimensions and weight.

BoliOptics products are warranted against manufacturer’s defects in material and workmanship from the original date of purchase, for the following years:

Lifetime Warranty
Designated products marked lifetime warranty.

5 Year Warranty
Microscopes (except video and digital microscopes) come with a five (5) year factory warranty against manufacturing defects.

5/1 Year Warranty
Products with 5/1 Year Warranty means that the hardware of the microscope is under 5 year warranty, and the electrical and lighting components are under 1 year warranty.

1 Year Warranty
Includes video microscopes, digital microscopes, electrical and electronic products such as light sources, cameras, software, monitors, and electronic components.
Microscope accessories (such as microscope cameras and illuminators) come with a one (1) year warranty, except when specified in the description.

Warranty does not apply for consumable accessories and parts such as bulbs, batteries, fuses, cords, optical components or any add-on accessories such as mechanical specimen holders that are not built into the microscope stage as an integral part of the original manufacture, etc.

Warranty does not cover ordinary wear and tear or damage caused by improper use or accidents (drops).
Warranty does not cover products that have become inoperable due to lack of maintenance.
Warranty is void when products are disassembled, structural parts were opened up, removed, unscrewed, tampered with, or broken during use or in the user's possession.
Warranty is void when product QR Codes or Barcode Stickers containing the Product's Serial Number are removed from the product.

Customers are responsible for round-way shipping for warranty services.

BoliOptics Return Policy

BoliOptics offers a thirty (30) day return window beginning on the date of your purchase on most items.

To receive a 100% refund, items must be returned in New and Original Condition, with all parts, accessories, and original product packaging included.

  • Products missing the original packaging or instruction manuals are subject to a 20% restocking fee.
  • Products missing parts or accessories are subject to a higher restocking fee.
  • Products damaged during use (scratched, chipped, parts broken), disassembled from the original manufacturing or tampered with, are not accepted for returns or refunds. Our return policy does not cover ordinary wear and tear or damage caused by improper use or accidents.
  • Microscope slides, coverslips, and eye guards are non-returnable.
  • Items marked "Final Sale" are not eligible for return or refund due to change of mind. We are committed to ensuring the quality of all our products. If you receive a final sale item that has an issue, please contact us as soon as possible, and we will resolve any issue on a case by case basis.

When packaging the return, protect the item and original packaging.

  • We recommend using the original packaging materials to ensure the product is safe during return shipping.
  • If you do not have the original packaging materials, and there is extra room in the box, fill the extra space with padding (paper or shipping peanuts) so the product won't move around during transportation.

Customers are responsible for the return shipping label cost, if the product was not defective.

It can take up to 7 business days for an item to reach us once you ship it. Once we receive the item, it takes 5-7 business days to process the return and refund.

If you have any questions, please an email us at sales@bolioptics.com

Product Description
Condition: New
Technical Specifications
SZ02090138 Trinocular Zoom Stereo Microscope
Optical System Specifications
Optical SystemFinite
System Optical Magnification7-50X
Trinocular Optical Magnification0.35-2.5X
Total Magnification7-50X
Standard Eyepiece10X High Eyepoint Eyepiece
Standard Objective1X Built-in Objective
Standard Coupler0.5X
System Field of View Dia. 4-28.57mm
System Working Distance103mm
ESD Trinocular Zoom Body
Body Optical SystemFinite
Body Magnification7-50X
Zoom Range0.7-5X
Zoom Ratio1:7.1
Zoom Operating ModeWith Two Horizontal Knobs
Observation MethodTrinocular
Body Mounting Size for Stand Dia. 76mm
Body Mount Type for CouplerThread Screw
Body Mount Size for Coupler Dia. 28mm
Nosepiece Adapter Size for Ring Light Dia. 54mm
Eye Tube Adjustment ModeSiedentopf
Eye Tube Angle45°
Erect/Inverted ImageErect image
Eye Tube Rotatable360° Degree Rotatable
Interpupillary Adjustment45-65mm
Eye Tube Inner Diameter Dia. 30mm
Eye Tube Diopter Adjustable±5°
Eyepiece TypeStandard Eyepiece
Eyepiece Optical Magnification10X
Plan EyepiecePlan Eyepiece
Eyepiece Size for Eye Tube Dia. 30mm
Eyepiece Field of View Dia. 20mm
Eyepoint TypeHigh Eyepoint Eyepiece
Eyepiece Size for Reticle Dia. 24mm
Eye Guard InstallationIndependent Eye Guard
Eye Guard Mount Size Dia. 36mm
Built-in Objective Magnification1X
Objective Working Distance103mm
Objective Screw ThreadM48x0.75mm
Surface TreatmentSpray Paint
ESD SafeESD Safe
MaterialMetal
ColorBlack
Net Weight1.27kg (2.80lbs)
76mm Post Stand
Stand TypePost Stand
Holder Adapter Type Dia. 76mm Scope Holder
Vertical Post Height250mm
Vertical Post Diameter Dia. 32mm
Base TypeTable Base
Base ShapeFan-Shape
Base Dimensions206x273x22mm
Focus ModeManual
Focus Distance50mm
Coarse Focus Distance per Rotation25mm
Focusing Knob Tightness AdjustableTightness Adjustable
Center Distance from Hole to Scope Holder155mm
Surface TreatmentSpray Paint
MaterialMetal
ColorWhite
Net Weight2.48kg (5.47lbs)
Dimensions273x206x272mm (10.748x8.110x10.709 in. )
100x6mm Black White Plate
Plate TypeBlack White Plate
Plate Size Dia. 100x6mm
MaterialPlastic (ABS)
ColorBlack, White
Net Weight0.05kg (0.11lbs)
Applied FieldFor ST0501, ST1901 Series Post Stand. ST0503, ST2703 Series Track Stand
LED Ring Light (5W ID64mm 56Bulbs)
Light Source TypeLED Light
Ring I.D. Size Dia. 64mm
LED Quantity56
Power Supply AdjustableLight Adjustable
Light Source Illuminance78000Lux
Output Power5W
Input VoltageAC 100-240V 50/60Hz
Output VoltageDC 24V
Power Cord Connector TypeUSA 2 Pins
Power Cable Length1.3m
MaterialPlastic
ColorWhite
Net Weight0.17kg (0.37lbs)
Screw ModelM4x20mm
1X Coupler
Coupler Mount Type for TrinocularThread Screw
Coupler Mount Size for Trinocular Dia. 28mm
Adjustable CouplerAdjustable
Coupler for Microscope TypeStereo Compatible
Coupler Magnification1X
For Camera Sensor SizeUnder 1 in.
C/CS-Mount CouplerC-Mount
Surface TreatmentSpray Paint
MaterialMetal
ColorWhite
Net Weight0.08kg (0.18lbs)
Applied FieldFor SZ1904 Series Microscope
11.6 in. LCD Display Digital Camera
Image SensorCMOS
Image Sensor Size1/2.8 in.
Camera Maximum Pixels5.0 Megapixels
Camera Resolution2592x1944
Camera Signal Output PortHDMI
Camera Lens MountCS-Mount
Transmission Frame Rate60fps@1920x1080
White BalanceManual/Auto
Gain ControlAdjustable
Exposure ControlManual/Auto
Image ComparisonYes
Image Freeze FunctionImage Freeze
Digital Zoom Function10X
Camera CrosshairsGrid/Cross Line
Number of Crosshairs8 Movable Crosshairs
Line ColorUser Defined
Capture FunctionYes
Image Capture Output FormatJPG
Measurement FunctionYes
Video Output FormatMP4
LanguageChinese (Simplified)/Chinese (Traditional)/English/French/German/Japanese/Italian/Russian
Camera Housing MaterialPlastic
Camera Housing ColorBlack
Memory TypeU Disk
Screen Size11.6in
Screen Aspect Ratio16:9
Monitor Signal FormatNTSC/PAL Auto-Switch
Monitor Max. Resolution1920x1080
Monitor Housing MaterialPlastic
Monitor Housing Size270x165x130mm
Monitor Housing ColorBlack
Input VoltageDC 12V
Power Cord Connector TypeUSA 2 Pins
Power Cable Length1.5m
Surface TreatmentPlastic Spray Coating
MaterialPlastic
ColorBlack
Net Weight0.95kg (2.04lbs)
Dimensions270x165x83mm (10.630x6.496x3.268 in. )
Camera Accessories
11.6 in. LCD Display Digital Camera
Mouse OperationYes
Other Parameters
Surface TreatmentSpray Paint
MaterialMetal
ColorBlack, White
Net Weight4.95kg (10.91lbs)
Dimensions273x206x272mm (10.748x8.110x10.709 in. )
Series
SZ1904SZ02090138
Warranty

5/1 Years

Certification
Contains  
Parts Including
PictureP/NProduct Name
ML46241222LED Ring Light (5W ID64mm 56Bulbs)
SZ19041153ESD Trinocular Zoom Body
SZ190461311X Coupler
ST1901120176mm Post Stand
DC4351151111.6″ LCD Display Digital Camera
Product Instructions/Operation Manual1pc
Packing  
Packaging TypeCarton Packaging
Packaging MaterialCorrugated Carton
Packaging Dimensions(1)39x24x36cm (15.354x9.449x14.173″)
Packaging Dimensions(2)44.5x32.5x23cm (17.520x12.795x9.055″)
Packaging Dimensions(3)18.5x10.8x5.2cm (7.283x4.251x2.047″)
Packaging Dimensions(4)33x24.5x9cm (12.992x9.646x3.543″)
Inner Packing MaterialPlastic Bag
Ancillary Packaging MaterialsExpanded Polystyrene
Gross Weight6.85kg (15.10lbs)
Minimum Packaging Quantity1pc
Transportation CartonCarton Packaging
Transportation Carton MaterialCardboard Box
Transportation Carton Dimensions(1)39x24x36cm (15.354x9.449x14.173″)
Transportation Carton Dimensions(2)44.5x32.5x23cm (17.520x12.795x9.055″)
Transportation Carton Dimensions(3)18.5x10.8x5.2cm (7.283x4.251x2.047″)
Transportation Carton Dimensions(4)33x24.5x9cm (12.992x9.646x3.543″)
Total Gross Weight of Transportation(kilogram)6.85
Total Gross Weight of Transportation(pound)15.10
Quantity of One Transportation Carton4pc

Microscope Optical Data Sheet
P/N Objective Objective Working Distance Eyepiece
SZ05033211   (10X  Dia. 20mm) SZ19013211   (10X  Dia. 20mm) SZ19041153   (10X  Dia. 20mm)
Magnification Field of View(mm) Magnification Field of View(mm) Magnification Field of View(mm)
SZ19044211 0.5X 165mm 3.5-25X 8-57.14mm 3.5-25X 8-57.14mm 3.5-25X 8-57.14mm
SZ19044311 0.75X 117mm 5.25-37.5X 5.33-38.1mm 5.25-37.5X 5.33-38.1mm 5.25-37.5X 5.33-38.1mm
SZ19041153 1X 103mm 7-50X 4-28.57mm 7-50X 4-28.57mm 7-50X 4-28.57mm
SZ19044611 2X 30mm 14-100X 2-14.29mm 14-100X 2-14.29mm 14-100X 2-14.29mm
1. Magnification=Objective Optical Magnification * Body Magnification * Eyepiece Optical Magnification
2. Field of View=Eyepiece Field of View /(Objective Optical Magnification*Body Magnification)
3. The Darker background items are Standard items, the white background items are optional items.
Video Microscope Optical Data Sheet
P/N Objective Coupler
SZ19046131  (1X)
Magnification
SZ19044211 0.5X 0.35-2.5X
SZ19044311 0.75X 0.52-3.75X
SZ19041153 1X 0.7-5X
SZ19044611 2X 1.4-10X
1. Magnification=Objective Optical Magnification * Body Magnification * Coupler Magnification
Camera Image Sensor Specifications
No. Camera Image Sensor Size Camera image Sensor Diagonal
(mm) (inch)
1 1/4 in. 4mm 0.157"
2 1/3 in. 6mm 0.236"
3 1/2.8 in. 6.592mm 0.260"
4 1/2.86 in. 6.592mm 0.260"
5 1/2.7 in. 6.718mm 0.264"
6 1/2.5 in. 7.182mm 0.283"
7 1/2.3 in. 7.7mm 0.303"
8 1/2.33 in. 7.7mm 0.303"
9 1/2 in. 8mm 0.315"
10 1/1.9 in. 8.933mm 0.352"
11 1/1.8 in. 8.933mm 0.352"
12 1/1.7 in. 9.5mm 0.374"
13 2/3 in. 11mm 0.433"
14 1/1.2 in. 12.778mm 0.503"
15 1 in. 16mm 0.629"
16 1/1.1 in. 17.475mm 0.688"
Digital Magnification Data Sheet
Image Sensor Size Image Sensor Diagonal size Monitor
Screen Size (11.6in)
Digital Zoom Function
1/2.8 in. 6.592mm 44.7
1. Digital Zoom Function= (Screen Size * 25.4) / Image Sensor Diagonal size
Microscope Optical and Digital Magnifications Data Sheet
Objective Coupler Camera Monitor Video Microscope Optical Magnifications Digital Zoom Function Total Magnification Field of View (mm)
PN Magnification PN Magnification Image Sensor Size Image Sensor Diagonal size Screen Size
SZ19044211 0.5X SZ19046131 1X 1/2.8 in. 6.592mm 11.6in 0.35-2.5X 44.7 15.64-111.75X 2.64-18.83mm
SZ19044311 0.75X SZ19046131 1X 1/2.8 in. 6.592mm 11.6in 0.52-3.75X 44.7 23.24-167.62X 1.76-12.68mm
SZ19041153 1X SZ19046131 1X 1/2.8 in. 6.592mm 11.6in 0.7-5X 44.7 31.29-223.5X 1.32-9.42mm
SZ19044611 2X SZ19046131 1X 1/2.8 in. 6.592mm 11.6in 1.4-10X 44.7 62.58-447X 0.66-4.71mm
1. Video Microscope Optical Magnifications=Objective Optical Magnification * Body Magnification * Coupler Magnification
2. Digital Zoom Function= (Screen Size * 25.4) / Image Sensor Diagonal size
3. Total Magnification= Video Microscope Optical Magnifications * (Screen Size * 25.4) / Image Sensor Diagonal size
4. Field of View (mm)= Image Sensor Diagonal size / Video Microscope Optical Magnifications
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