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Microscopes
BI-21 Binocular Biological Microscope
MICROCREModel BI-21

BI-21 Binocular Biological Microscope

Updated 2026-11-12Category Microscopes
Magnification40X~1000X
ModelBI-21
CategoryMicroscopes
CustomizationCustom builds supported
400-8127-833 Generate proposal
Genuine Product
Nationwide Shipping
1-Year Warranty
VAT Invoice Available

Overview

No translation available yet — Chinese original below Full description (Chinese original) ↓

Page summary:BI-21 Binocular Biological Microscope is a Microscopes product (model BI-21), manufactured by Shanghai Microcre Optics-Mech Tech Co., Ltd. Key specifications: Magnification = 40X~1000X; Eyepiece = 大视野WF10X(Φ20mm); BI-21A消色差物镜:4X/0.10,10X/0.25,40X/0.65(弹簧),100X/1.25(弹簧,油); BI-21B半平场消色差物镜:4X/0.10,10X/0.25,20X/0.40,40X/0.65(弹簧),100X/1.25(弹簧,油); Eyepiece tube = Binocular (tilted 30°); Focusing mechanism = 粗微动同轴调焦, 粗动松紧可调,带锁紧和限位装置,微动格值:2μm; BI-21A转换器:四孔(内向式滚珠内定位); BI-21B转换器:五孔(内向式滚珠内定位); Stage = 双层机械移动式,尺寸160mmX140mm,移动范围:75mmX50mm; Abbe condenser = N.A.1.25 adjustable height. Contact: 400-8127-833 / shanghai@yr17.net.
For detailed datasheets in English, please contact our sales engineers.

BI-21 Specifications

Optics & imaging7

Objectives, eyepieces, illumination and field of view

Magnification
40X~1000X
Eyepiece
大视野WF10X(Φ20mm); BI-21A消色差物镜:4X/0.10,10X/0.25,40X/0.65(弹簧),100X/1.25(弹簧,油); BI-21B半平场消色差物镜:4X/0.10,10X/0.25,20X/0.40,40X/0.65(弹簧),100X/1.25(弹簧,油)
Eyepiece tube
Binocular (tilted 30°)
Abbe condenser
N.A.1.25 adjustable height
Filter
Blue filter, frosted glass
Collector lens
Halogen lamp suitable for
Light source
6V/20W halogen lamp, adjustable brightness

Structure & travel1

Stage, travel, dimensions and weight — siting and fixturing

Stage
双层机械移动式,尺寸160mmX140mm,移动范围:75mmX50mm

Other1

Additional notes

Focusing mechanism
粗微动同轴调焦, 粗动松紧可调,带锁紧和限位装置,微动格值:2μm; BI-21A转换器:四孔(内向式滚珠内定位); BI-21B转换器:五孔(内向式滚珠内定位)

Specifications vary with configuration — confirm the final technical agreement with our engineer. Optional items are priced separately.

Magnification40X~1000X
Eyepiece大视野WF10X(Φ20mm); BI-21A消色差物镜:4X/0.10,10X/0.25,40X/0.65(弹簧),100X/1.25(弹簧,油); BI-21B半平场消色差物镜:4X/0.10,10X/0.25,20X/0.40,40X/0.65(弹簧),100X/1.25(弹簧,油)
Eyepiece tubeBinocular (tilted 30°)
Focusing mechanism粗微动同轴调焦, 粗动松紧可调,带锁紧和限位装置,微动格值:2μm; BI-21A转换器:四孔(内向式滚珠内定位); BI-21B转换器:五孔(内向式滚珠内定位)
Stage双层机械移动式,尺寸160mmX140mm,移动范围:75mmX50mm
Abbe condenserN.A.1.25 adjustable height
FilterBlue filter, frosted glass
Collector lensHalogen lamp suitable for
Light source6V/20W halogen lamp, adjustable brightness

Some specification values are given in the original Chinese wording; ask our engineers for an English datasheet.

Full description (Chinese original)

The English text on this page summarises the model and specifications. The full technical description is the Chinese original below; an English datasheet is available from our engineers on request.

BI-21生物显微镜配置消色差物镜和大视野目镜,光学系统成像清晰,视野广阔,可广泛应用于生物学、医学、农业等领域,是医疗、教学等单位的理想仪器。
一、性能特点
1、配置大视野目镜和消色差物镜,视场大而清晰;
2、粗微动同轴调焦机构,带限位锁紧装置和粗动松紧可调,微动格值:2μm;
3、柯勒照明;
4、铰链式观察镜筒,单视度可调,可选配无限远头座;
5、WF10X大视野平场目镜,视场范围直径20mm;
6、内置透射照明系统,配备带视场光栏集光器;
二、技术参数:
放大倍数:40X~1000X;
目镜:大视野WF10X(Φ20mm);
BI-21A消色差物镜:4X/0.10,10X/0.25,40X/0.65(弹簧),100X/1.25(弹簧,油);
BI-21B半平场消色差物镜:4X/0.10,10X/0.25,20X/0.40,40X/0.65(弹簧),100X/1.25(弹簧,油);
目镜筒:双目镜(倾斜30度);
调焦机构:粗微动同轴调焦, 粗动松紧可调,带锁紧和限位装置,微动格值:2μm;
BI-21A转换器:四孔(内向式滚珠内定位);
BI-21B转换器:五孔(内向式滚珠内定位);
载物台:双层机械移动式,尺寸160mmX140mm,移动范围:75mmX50mm;
阿贝聚光镜:N.A.1.25可上下升降;
滤色片:蓝滤色片、磨砂玻璃;
集光器:卤素灯适用;
光源:6V/20W 卤素灯,亮度可调;
三、选配配件:
1、平场消色差物镜4X/0.10、5X/0.12、10X/0.25、20X/0.40、40X/0.65(弹簧)、60X/0.85(弹簧)、100X/1.25(弹簧、油);
2、分划:10X(Φ20mm、0.1mm/格)、大视野 WF16X(Φ11mm);
5、聚光镜:干式暗场、湿式暗场;
6、滤色片:绿滤色片、黄滤色片;
7、LED集光器:高亮白光;
8、相衬装置(目镜):对中望远镜;
9、相衬装置(消色差物镜):10X/0.25 PHP、20X/0.40 PHP(弹簧)、40X/0.65 PHP(弹簧)、100X/1.25 PHP(弹簧,油);
10、转盘式相衬聚光镜:PH-I、PH-II;
11、插板式相衬聚光镜、拉板式相衬聚光镜;
12、LED电源适配器:输入:230V~50/60HZ,输出:9V/500mA;
13、LED电源适配器:输入:110V~50/60HZ,输出:9V/500mA;
14、简易偏光系统:360度旋转起偏器、推拉式检偏器;
15、无限远光学系统(目镜筒):双目,倾斜30度;
16、无限远光学系统(目镜):对中望远镜;
17、无限远光学系统(消色差物镜):4X/0.10、10X/0.25、40X/0.65(弹簧)、100X/1.25(弹簧,油);
18、无限远光学系统(相衬消色差物镜):10X/0.25 PHP、20X/0.40 PHP(弹簧)、40X/0.65 PHP(弹簧)、100X/1.25 PHP(弹簧,油);
19、摄影目镜:USB、VIDEO输出;

Applicable standards

本机型的设计与验收依据下列标准;采购文件引用时请注明版本年份。

查看完整标准库 →

Selection FAQ

Can the configuration of BI-21 be adapted to my application?

Yes. Beyond the standard configuration, measuring range, fixtures, optics and software functions can be adapted. Send your sample and test requirements and our engineers will return a configuration list and quotation.

Can I test my samples before ordering?

Yes. Samples can be mailed to our Shanghai Fengxian laboratory for free testing with a written report, or you can book an on-site demonstration to confirm the workflow and data format.

How are lead time, installation and after-sales service handled?

Standard configurations usually ship within 15-30 working days, including first installation, commissioning and operator training. The instrument carries a one-year warranty and software upgrades are free for life.

General information only — final configuration and applicable conditions are subject to the mutually confirmed technical document.

After-Sale & Selection Support

Sample Testing

  • Free testing of mailed samples
  • Factory demo by appointment
  • Written test proposal provided

Delivery & Training

  • Free first installation & commissioning
  • On-site operation training
  • One-year full warranty

Custom Builds

  • Fixtures, ranges and software customizable
  • Automation line integration
  • Lifetime free software upgrades
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