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
BM05030221 Binocular Biological Microscope
Optical System Specifications
Optical SystemFinite
Mechanical Tube Length160mm
System Optical Magnification40-1000X
Total Magnification40-1000X
Standard Eyepiece10X Pointer Eyepiece
Standard Objective4X 10X 40X 100X Achromatic Objective
System Field of View Dia. 0.15-3.75mm
System Working Distance0.35-21.03mm
Compound Binocular Head
Eye Tube Optical SystemFinite
Eye Tube TypeFor Compound Microscope
Eye Tube Adjustment ModeCompensating
Eye Tube Angle45°
Erect/Inverted ImageInverted Image
Eye Tube Rotatable360° Degree Rotatable
Interpupillary Adjustment55-75mm
Eye Tube Inner Diameter Dia. 23.2mm
Eye Tube Diopter Adjustable±5°
Eye Tube Fixing ModeElastic Tube locking
Eye Tube Size for Scope Body/Carrier Dia. 39mm
Eyepiece
10X Eyepiece (Pair Dia. 23.2/FN18)
Eyepiece TypeStandard Eyepiece
Eyepiece Optical Magnification10X
Plan EyepiecePlan Eyepiece
Eyepiece Size for Eye Tube Dia. 23.2mm
Eyepiece Field of View Dia. 18mm
Eyepoint TypeHigh Eyepoint Eyepiece
Surface TreatmentElectroplating Black
MaterialMetal
ColorBlack
Net Weight0.17kg (0.37lbs)
Biological Objective
4X Achromatic Objective
Objective Optical SystemFinite
Objective Optical Magnification4X
Objective TypeAchromatic Objective
Objective for Mechanical Tube Length160mm
Objective Working Distance21.026mm
Numerical Aperture (N.A.)N.A. 0.10
Objective Cover Glass Thickness0.17
Objective Immersion MediaDry Objective
Objective Screw ThreadRMS Standard (4/5 in. x1/36 in. )
Objective Outer Diameter Dia. 24mm
Surface TreatmentPolished Chrome
MaterialMetal
ColorSilver
Applied FieldBM0503 Series Microscope
10X Achromatic Objective
Objective Optical SystemFinite
Objective Optical Magnification10X
Objective TypeAchromatic Objective
Objective for Mechanical Tube Length160mm
Objective Working Distance7.1mm
Numerical Aperture (N.A.)N.A. 0.25
Objective Cover Glass Thickness0.17
Objective Immersion MediaDry Objective
Objective Screw ThreadRMS Standard (4/5 in. x1/36 in. )
Objective Outer Diameter Dia. 24mm
Surface TreatmentPolished Chrome
MaterialMetal
ColorSilver
Net Weight0.05kg (0.11lbs)
Applied FieldBM0503 Series Microscope
40X Achromatic Objective
Objective Optical SystemFinite
Objective Optical Magnification40X
Objective TypeAchromatic Objective
Objective for Mechanical Tube Length160mm
Objective Working Distance0.85mm
Numerical Aperture (N.A.)N.A. 0.65
Objective Cover Glass Thickness0.17
Objective Immersion MediaDry Objective
Spring Mounted ObjectiveSpring Mounted objective
Objective Screw ThreadRMS Standard (4/5 in. x1/36 in. )
Objective Outer Diameter Dia. 24mm
Surface TreatmentPolished Chrome
MaterialMetal
ColorSilver
Net Weight0.06kg (0.13lbs)
Applied FieldBM0503 Series Microscope
100X Achromatic Objective
Objective Optical SystemFinite
Objective Optical Magnification100X
Objective TypeAchromatic Objective
Objective Parfocal Distance45mm
Objective for Mechanical Tube Length160mm
Objective Working Distance0.35mm
Numerical Aperture (N.A.)N.A. 1.25
Objective Cover Glass Thickness0.17
Objective Immersion MediaOil Immersion Objective
Spring Mounted ObjectiveSpring Mounted objective
Objective Screw ThreadRMS Standard (4/5 in. x1/36 in. )
Objective Outer Diameter Dia. 24mm
Surface TreatmentPolished Chrome
MaterialMetal
ColorSilver
Net Weight0.06kg (0.13lbs)
Applied FieldBM0503 Series Microscope
Nosepiece
Inward/Outward NosepieceNosepiece Outward
Number of Holes on NosepieceQuadruple (4) Holes
Nosepiece Switch ModeManual
Nosepiece Screw Thread for ObjectiveRMS Standard (4/5 in. x1/36 in. )
Microscope Stand
Stand Height260mm
Base TypeIllumination Base
Base ShapeRectangle
Base Dimensions175x130x25mm
Focus ModeManual
Coarse/Fine Focus TypeNone Coaxial Coarse/Fine Focus
Focus Distance15mm
Fine Focus Travel DistanceSame as Focus Distance
Coarse Focus Distance per Rotation19mm
Fine Focus Distance per Rotation0.1mm
Focusing Knob Tightness AdjustableTightness Adjustable
Microscope Stage
Stage Platform Dimensions110x120mm
Stage Backlight Window Size Dia. 20mm
Microscope Illuminator
Illumination TypeLED Coaxial Transmitted Light
Transmission LightBright Field
Transmission Light Source TypeLED
Condenser TypeAbbe Condenser
Dry/Oil TypeDry
Applicable Range of Objective4-100X
Condenser Max. Numerical ApertureN.A. 1.25
Condenser Mounting Flange SizeFastening Screw
Aperture Diaphragm Mounting PositionVertical Illuminator
Field Diaphragm Mounting PositionVertical Illuminator
Number of Filter Slots1
Filter Switch TypeEmbedded Type
Power Supply
Input VoltageAC 100-240V 50/60Hz
Power Cord Connector TypeUSA 3 Pins
Power Cable Length1.8m
BatteryAA (Included Three Batteries)
Parts CertificationPower Cable with UL Certification
Other Parameters
Surface TreatmentSpray Paint
MaterialMetal
ColorWhite
Net Weight3.10kg (6.83lbs)
Dimensions130x175x365mm (5.118x6.889x14.370 in. )
Series
BM0503BM05030221
Warranty

5/1 Years

Certification

ISO9001, ISO13485, ISO14001, RoHS, CE

Contains  
Parts Including
PictureP/NProduct Name
BM0504221110X Eyepiece (Pair Φ23.2/FN18)
BM050332114X Achromatic Objective
BM0503331110X Achromatic Objective
BM0503351140X Achromatic Objective
BM05033811100X Achromatic Objective
Desiccant Bag1 Bag
Dust Cover1pc
Cedar Oil1 Bottle
Product Instructions/Operation Manual1pc
Packing  
Packaging TypeCarton Packaging
Packaging MaterialCorrugated Carton
Packaging Dimensions(1)29.5x20.5x45.5cm (11.614x8.071x17.913″)
Inner Packing MaterialPlastic Bag
Ancillary Packaging MaterialsExpanded Polystyrene
Gross Weight3.75kg (8.27lbs)
Minimum Packaging Quantity1pc
Transportation CartonCarton Packaging
Transportation Carton MaterialCorrugated Carton
Transportation Carton Dimensions(1)29.5x20.5x45.5cm (11.614x8.071x17.913″)
Total Gross Weight of Transportation(kilogram)3.75
Total Gross Weight of Transportation(pound)8.27

Microscope Optical Data Sheet
P/N Objective Objective Working Distance Eyepiece
BM05042211   (10X  Dia. 18mm)
Magnification Field of View(mm)
BM05033211 4X 21.026mm 40X 4.5mm
BM05033311 10X 7.1mm 100X 1.8mm
BM05033511 40X 0.85mm 400X 0.45mm
BM05033811 100X 0.35mm 1000X 0.18mm
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.
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