{"id":10930,"date":"2025-11-18T12:46:04","date_gmt":"2025-11-18T12:46:04","guid":{"rendered":"https:\/\/astroshop.ma\/?post_type=product&p=10930"},"modified":"2025-11-18T12:46:04","modified_gmt":"2025-11-18T12:46:04","slug":"bestscope-blm4-221-lcd-digital-biological-microscope","status":"publish","type":"product","link":"https:\/\/astroshop.ma\/?product=bestscope-blm4-221-lcd-digital-biological-microscope","title":{"rendered":"BestScope BLM4-221 LCD Digital Biological Microscope"},"content":{"rendered":"

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 <\/p>\n

\n

Introduction<\/h3>\n

BLM4-220 LCD Digital Biological Microscope is economic, practical and easy to operate. It adopts LED illumination, which saves energy, has long working life and also comfortable for observation.<\/p>\n<\/div>\n

\n

Details<\/h3>\n
\n
Model\uff1aBLM4-221<\/div>\n
Eyepiece:WF10\u00d7\/18mm<\/div>\n
Sensor Size:1\/2.8\u201d<\/div>\n
Objective:4\u00d7, 10\u00d7, 40\u00d7, 100\u00d7<\/div>\n
Resolution:1920*1080 2MP<\/div>\n
Illumination:\u00a06V\/ 20W<\/div>\n<\/div>\n<\/div>\n
<\/div>\n
\n
\n

Introduction<\/h4>\n
\n

BLM4-221 LCD Digital Biological Microscope is\u00a0economic, practical and easy to operate.\u00a0It\u00a0adopts\u00a0LED illumination, which saves energy, has long working life and also comfortable for observation. BLM4-221 is\u00a0widely used in educational, academic, agricultural and study field. Built-in rechargeable battery is optional for outdoors operation or places that power supply is not stable.<\/p>\n

BLM4-221 adopts all-in-one touch camera\u00a0that integrates a 10.1inch LCD touch screen with HDMI\u00a0output of 1920*1080@60fps,\u00a0and\u00a0dual USB ports for USB disk and mouse. It has\u00a0Android 12 operation system\u00a0and measurement function.<\/p>\n

BLM4-221\u00a0is a combination of BS-2021T and BLC-240A\u00a0all-in-one\u00a0camera.<\/p>\n<\/div>\n<\/div>\n

\n

Features<\/h4>\n
\n

1.Infinite Optical System.<\/p>\n

 <\/p>\n

2.Comfortable operation with updated and ergonomic design.<\/p>\n

 <\/p>\n

3.LED light illumination, save energy and long working life.<\/p>\n

 <\/p>\n

4.Compact and flexible, ideally suited for desktop, laboratory worktable.<\/p>\n

 <\/p>\n

5.BLM4-221 adopts all-in-one touch camerathat integrates a 1inch LCD touch screen with HDMI output of 1920*1080@60fps, and dual USB ports for USB disk and mouse. It has Android 12 operation system and measurement function.<\/p>\n

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\n

Application<\/h4>\n
\n

 <\/p>\n

BLM4-221 LCD Digital Biological Microscope is\u00a0ideally suited for school biological education, veterinary\u00a0and medical analyses area to observe all kinds of slides. They can be widely used in clinics, hospitals, schools, academic labs and scientific research department.<\/p>\n<\/div>\n

Sample Images<\/h4>\n
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 <\/p>\n

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\n

Specification<\/h4>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/td>\nSpecification<\/td>\nBLM4-221<\/td>\n<\/tr>\n
Optical System<\/td>\nInfinite Optical System<\/td>\n\u25cf<\/td>\n<\/tr>\n
LCD Digital Camera<\/td>\nBLC-240A All-in-One Touch Camera with HDMI\u00a0output, 1920*1080@60fps, 10.1inch LCD touch screen\u00a0with\u00a0Android 12 operation system\u00a0and measurement function. Dual USB ports for USB disk and mouse.<\/td>\n\u25cf<\/td>\n<\/tr>\n
Viewing Head<\/td>\nSeidentopf trinocular head, inclined at 30\u00b0, 360\u00b0 rotatable, interpupillary distance 48-75mm<\/td>\n\u25cf<\/td>\n<\/tr>\n
Eyepiece<\/td>\nWF10\u00d7\/18mm<\/td>\n\u25cf<\/td>\n<\/tr>\n
P16\u00d7\/11mm<\/td>\n\u25cb<\/td>\n<\/tr>\n
WF20\u00d7\/9.5mm<\/td>\n\u25cb<\/td>\n<\/tr>\n
WF25\u00d7\/6.5mm<\/td>\n\u25cb<\/td>\n<\/tr>\n
Objective<\/td>\nInfinite Semi-Plan Achromatic Objectives 4\u00d7, 10\u00d7, 40\u00d7, 100\u00d7<\/td>\n\u25cf<\/td>\n<\/tr>\n
Infinite Plan Achromatic Objectives 2\u00d7, 4\u00d7, 10\u00d7, 20\u00d7, 40\u00d7, 60\u00d7, 100\u00d7<\/td>\n\u25cb<\/td>\n<\/tr>\n
Nosepiece<\/td>\nBackward quadruple nosepiece<\/td>\n\u25cf<\/td>\n<\/tr>\n
Stage<\/td>\nDouble layer mechanical stage 132mm*142mm\/ 75mm*40mm<\/td>\n\u25cf<\/td>\n<\/tr>\n
Focusing<\/td>\nCoaxial coarse & fine adjustment, fine division 0.004mm, coarse stroke 37.7mm per rotation, fine stroke 0.4mm per rotation, moving range 24mm<\/td>\n\u25cf<\/td>\n<\/tr>\n
Condenser<\/td>\nNA1.25 Abbe condenser with iris diaphragm and filter holder<\/td>\n\u25cf<\/td>\n<\/tr>\n
Illumination<\/td>\nLED illumination, brightness adjustable<\/td>\n\u25cf<\/td>\n<\/tr>\n
Halogen lamp 6V\/ 20W, brightness adjustable<\/td>\n\u25cb<\/td>\n<\/tr>\n
Immersion oil<\/td>\n5ml Immersion oil<\/td>\n\u25cf<\/td>\n<\/tr>\n
Optional Accessories<\/td>\nPhase contrast kit<\/td>\n\u25cb<\/td>\n<\/tr>\n
Dark field attachment (Dry\/Oil)<\/td>\n\u25cb<\/td>\n<\/tr>\n
Polarization attachment<\/td>\n\u25cb<\/td>\n<\/tr>\n
Rechargeable battery<\/td>\n\u25cb<\/td>\n<\/tr>\n
0.5\u00d7\u00a0C-mount adapter<\/td>\n\u25cf<\/td>\n<\/tr>\n
1\u00d7 C-mount adapter<\/td>\n\u25cb<\/td>\n<\/tr>\n
0.37\u00d7, 0.5\u00d7, 0.75\u00d7, 1\u00d7 reduction lens<\/td>\n\u25cb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Note: \u25cf Standard Outfit, \u25cb Optional<\/p>\n

\u00a0<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/b><\/strong><\/td>\nDescription<\/b><\/strong><\/td>\n<\/tr>\n
Screen<\/b><\/strong><\/td>\n10.1\u00a0inch IPS TFT-LCD<\/td>\n<\/tr>\n
Screen Resolution<\/b><\/strong><\/td>\n1920*1200<\/td>\n<\/tr>\n
Screen Color<\/b><\/strong><\/td>\n16.7M, 72% NTSC<\/td>\n<\/tr>\n
Luminanc<\/b><\/strong>e<\/b><\/strong><\/td>\n300cd\/m2<\/sup><\/td>\n<\/tr>\n
Contrast Ratio<\/b><\/strong><\/td>\n800:1<\/td>\n<\/tr>\n
Viewing Angle<\/b><\/strong><\/td>\n89\/89\/89\/89<\/td>\n<\/tr>\n
Processor<\/b><\/strong><\/td>\nARM-A55 64-bit Quad Core 1.5GHz<\/td>\n<\/tr>\n
Running Memory<\/b><\/strong><\/td>\n16 GB<\/td>\n<\/tr>\n
Built-in Storage<\/b><\/strong><\/td>\n256 GB<\/td>\n<\/tr>\n
Network<\/b><\/strong><\/td>\nSupport 5G and 2.4G Wifi, independent single antenna<\/td>\n<\/tr>\n
Sensor<\/b><\/strong><\/td>\nSONY IMX307 (C)<\/td>\n<\/tr>\n
Sensor Size<\/b><\/strong><\/td>\n1\/2.8\u201d<\/td>\n<\/tr>\n
Resolution<\/b><\/strong><\/td>\n1920*1080 2MP<\/td>\n<\/tr>\n
Pixel<\/b><\/strong><\/td>\n2.9\u03bcm*2.9\u03bcm<\/td>\n<\/tr>\n
HDMI Interface<\/b><\/strong><\/td>\nHDMI 1.4 1920*1080@60fps (Mini)<\/td>\n<\/tr>\n
Dual USB-C Interface<\/b><\/strong><\/td>\nConnect to USB mouse, USB disk<\/td>\n<\/tr>\n
SD Card Slot<\/b><\/strong><\/td>\nSupporting<\/td>\n<\/tr>\n
Power Button<\/b><\/strong><\/td>\nShort press to turn on, long press to turn off<\/td>\n<\/tr>\n
Photo Button<\/b><\/strong><\/td>\nSupporting<\/td>\n<\/tr>\n
Power Supply<\/b><\/strong><\/td>\nDC 12V\/ 2A<\/td>\n<\/tr>\n
Operating System<\/b><\/strong><\/td>\nAndroid 12<\/td>\n<\/tr>\n
Optional Software<\/b><\/strong><\/td>\nTScopePadView<\/td>\n<\/tr>\n
Auxiliary functions<\/b><\/strong><\/td>\nExposure and gain adjustment, white balance, color adjustment, automatic sharpening, automatic denoising, light source frequency, flipping, etc.<\/td>\n<\/tr>\n
Measurement Function<\/b><\/strong><\/td>\nStraight line length, broken line length, distance between parallel line, point to line distance, radius circle, three-point circle, concentric circle, center distance, polygon, rectangle, three-point angle, measurement data export, etc.<\/td>\n<\/tr>\n
Image<\/b><\/strong><\/td>\n2M (1920*1080) JPEG<\/td>\n<\/tr>\n
V<\/b><\/strong>ideo Storage<\/b><\/strong><\/td>\n2M (1920*1080) MP4 30fps<\/td>\n<\/tr>\n
Language<\/b><\/strong><\/td>\nChinese\/ Tradional Chinese\/ Russian\/ English\/ German\/ French\/ Japanese\/ Itlian<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

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Dual USB ports for USB disk and mouse. \u25cf Viewing Head Seidentopf trinocular head, inclined at 30\u00b0, 360\u00b0 rotatable, interpupillary distance 48-75mm \u25cf Eyepiece WF10\u00d7\/18mm \u25cf P16\u00d7\/11mm \u25cb WF20\u00d7\/9.5mm \u25cb WF25\u00d7\/6.5mm \u25cb Objective Infinite Semi-Plan Achromatic Objectives 4\u00d7, 10\u00d7, 40\u00d7, 100\u00d7 \u25cf Infinite Plan Achromatic Objectives 2\u00d7, 4\u00d7, 10\u00d7, 20\u00d7, 40\u00d7, 60\u00d7, 100\u00d7 \u25cb Nosepiece Backward quadruple nosepiece \u25cf Stage Double layer mechanical stage 132mm*142mm\/ 75mm*40mm \u25cf Focusing Coaxial coarse & fine adjustment, fine division 0.004mm, coarse stroke 37.7mm per rotation, fine stroke 0.4mm per rotation, moving range 24mm \u25cf Condenser NA1.25 Abbe condenser with iris diaphragm and filter holder \u25cf Illumination LED illumination, brightness adjustable \u25cf Halogen lamp 6V\/ 20W, brightness adjustable \u25cb Immersion oil 5ml Immersion oil \u25cf Optional Accessories Phase contrast kit \u25cb Dark field attachment (Dry\/Oil) \u25cb Polarization attachment \u25cb Rechargeable battery \u25cb 0.5\u00d7\u00a0C-mount adapter \u25cf 1\u00d7 C-mount adapter \u25cb 0.37\u00d7, 0.5\u00d7, 0.75\u00d7, 1\u00d7 reduction lens \u25cb Note: \u25cf Standard Outfit, \u25cb Optional \u00a0 Item Description Screen 10.1\u00a0inch IPS TFT-LCD Screen Resolution 1920*1200 Screen Color 16.7M, 72% NTSC Luminance 300cd\/m2 Contrast Ratio 800:1 Viewing Angle 89\/89\/89\/89 Processor ARM-A55 64-bit Quad Core 1.5GHz Running Memory 16 GB Built-in Storage 256 GB Network Support 5G and 2.4G Wifi, independent single antenna Sensor SONY IMX307 (C) Sensor Size 1\/2.8\u201d Resolution 1920*1080 2MP Pixel 2.9\u03bcm*2.9\u03bcm HDMI Interface HDMI 1.4 1920*1080@60fps (Mini) Dual USB-C Interface Connect to USB mouse, USB disk SD Card Slot Supporting Power Button Short press to turn on, long press to turn off Photo Button Supporting Power Supply DC 12V\/ 2A Operating System Android 12 Optional Software TScopePadView Auxiliary functions Exposure and gain adjustment, white balance, color adjustment, automatic sharpening, automatic denoising, light source frequency, flipping, etc. Measurement Function Straight line length, broken line length, distance between parallel line, point to line distance, radius circle, three-point circle, concentric circle, center distance, polygon, rectangle, three-point angle, measurement data export, etc. Image 2M (1920*1080) JPEG Video Storage 2M (1920*1080) MP4 30fps Language Chinese\/ Tradional Chinese\/ Russian\/ English\/ German\/ French\/ Japanese\/ Itlian\" \/>\n<meta property=\"og:url\" content=\"https:\/\/astroshop.ma\/?product=bestscope-blm4-221-lcd-digital-biological-microscope\" \/>\n<meta property=\"og:site_name\" content=\"Astroshop Maroc\" \/>\n<meta property=\"og:image\" content=\"https:\/\/astroshop.ma\/wp-content\/uploads\/2025\/11\/\u4e3b\u56fe2-5.png\" \/>\n\t<meta property=\"og:image:width\" content=\"547\" \/>\n\t<meta property=\"og:image:height\" content=\"550\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/astroshop.ma\\\/?product=bestscope-blm4-221-lcd-digital-biological-microscope\",\"url\":\"https:\\\/\\\/astroshop.ma\\\/?product=bestscope-blm4-221-lcd-digital-biological-microscope\",\"name\":\"BestScope BLM4-221 LCD Digital Biological Microscope - 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Dual USB ports for USB disk and mouse. \u25cf Viewing Head Seidentopf trinocular head, inclined at 30\u00b0, 360\u00b0 rotatable, interpupillary distance 48-75mm \u25cf Eyepiece WF10\u00d7\/18mm \u25cf P16\u00d7\/11mm \u25cb WF20\u00d7\/9.5mm \u25cb WF25\u00d7\/6.5mm \u25cb Objective Infinite Semi-Plan Achromatic Objectives 4\u00d7, 10\u00d7, 40\u00d7, 100\u00d7 \u25cf Infinite Plan Achromatic Objectives 2\u00d7, 4\u00d7, 10\u00d7, 20\u00d7, 40\u00d7, 60\u00d7, 100\u00d7 \u25cb Nosepiece Backward quadruple nosepiece \u25cf Stage Double layer mechanical stage 132mm*142mm\/ 75mm*40mm \u25cf Focusing Coaxial coarse & fine adjustment, fine division 0.004mm, coarse stroke 37.7mm per rotation, fine stroke 0.4mm per rotation, moving range 24mm \u25cf Condenser NA1.25 Abbe condenser with iris diaphragm and filter holder \u25cf Illumination LED illumination, brightness adjustable \u25cf Halogen lamp 6V\/ 20W, brightness adjustable \u25cb Immersion oil 5ml Immersion oil \u25cf Optional Accessories Phase contrast kit \u25cb Dark field attachment (Dry\/Oil) \u25cb Polarization attachment \u25cb Rechargeable battery \u25cb 0.5\u00d7\u00a0C-mount adapter \u25cf 1\u00d7 C-mount adapter \u25cb 0.37\u00d7, 0.5\u00d7, 0.75\u00d7, 1\u00d7 reduction lens \u25cb Note: \u25cf Standard Outfit, \u25cb Optional \u00a0 Item Description Screen 10.1\u00a0inch IPS TFT-LCD Screen Resolution 1920*1200 Screen Color 16.7M, 72% NTSC Luminance 300cd\/m2 Contrast Ratio 800:1 Viewing Angle 89\/89\/89\/89 Processor ARM-A55 64-bit Quad Core 1.5GHz Running Memory 16 GB Built-in Storage 256 GB Network Support 5G and 2.4G Wifi, independent single antenna Sensor SONY IMX307 (C) Sensor Size 1\/2.8\u201d Resolution 1920*1080 2MP Pixel 2.9\u03bcm*2.9\u03bcm HDMI Interface HDMI 1.4 1920*1080@60fps (Mini) Dual USB-C Interface Connect to USB mouse, USB disk SD Card Slot Supporting Power Button Short press to turn on, long press to turn off Photo Button Supporting Power Supply DC 12V\/ 2A Operating System Android 12 Optional Software TScopePadView Auxiliary functions Exposure and gain adjustment, white balance, color adjustment, automatic sharpening, automatic denoising, light source frequency, flipping, etc. Measurement Function Straight line length, broken line length, distance between parallel line, point to line distance, radius circle, three-point circle, concentric circle, center distance, polygon, rectangle, three-point angle, measurement data export, etc. Image 2M (1920*1080) JPEG Video Storage 2M (1920*1080) MP4 30fps Language Chinese\/ Tradional Chinese\/ Russian\/ English\/ German\/ French\/ Japanese\/ Itlian","og_url":"https:\/\/astroshop.ma\/?product=bestscope-blm4-221-lcd-digital-biological-microscope","og_site_name":"Astroshop Maroc","og_image":[{"width":547,"height":550,"url":"https:\/\/astroshop.ma\/wp-content\/uploads\/2025\/11\/\u4e3b\u56fe2-5.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/astroshop.ma\/?product=bestscope-blm4-221-lcd-digital-biological-microscope","url":"https:\/\/astroshop.ma\/?product=bestscope-blm4-221-lcd-digital-biological-microscope","name":"BestScope BLM4-221 LCD Digital Biological Microscope - 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