HOME ¦^¥»¤½¥q­º­¶ ¹Å¨½¹F(²z¸£«ä)¤¤¤p¾Ç±Ð¨ã¤Î³Ð·N¬ì¾Ç¹êÅç»ö¾¹³]³Æ www.kelabhk.com Tel : (852)24300221

PINHOLE Camera Demo unit (¤j«¬) °w¤Õ¬Û¾÷ºt¥Ü¼Ò«¬
(Assemble unit) Big size 205 x 205 x 225mm L x W x depth overall
size Inner box is moveable in & out inside the outer box to obtain a clear image, translucent screen at the outer size is 150 x 150mm, convenience for a group of student to observe formed image. Supplied with aperture (pin-hole) slit to get a shape but less brightness image, Black beautiful plastic , durable and useful ! ¬üÆ[ºë½o, µ¹§A¤@¥÷Åå³ß!
Item no : PINC 001

PINHOLE Camera student set (³S¬Ã) °w¤Õ¬Û¾÷¾Ç¥Í¥Î¼Ò«¬
(Assemble unit) Small size 75 x 75 x 150mm L x W x depth overall size specification similar to PINC 001 but the size is small & cute for student handle their selves. Black dull plastic supplied with smaller aperture (pin-hole) ¬üÆ[ºë½o, µ¹§A¤@¥÷Åå³ß!
Item no : PINC 002

MICRO-engrave ¤¤°ê°êÄ_¤uÃÀ (·LÀJ)

¤¤°ê°êÄ_¤uÃÀ«~ ·LÀJ¬O¸ê²`¤¤°êÀJ¨è¤uÃÀ®v³Åºë¤uÀJ¦¨, ¿ï¥Î¬Ã¶Q§¹¬ü¥Õ¬Ã¯], ª½®|¥u¦³4.5mm, ¦A¥Ñ·LÀJ®v³Å¦bªí­±¨è¤F¤@­º¤H©Ò¦@ª¾ªº­ð¸Ö:[ §É«e©ú¤ë¥ú, ¦Ó¬O¦a¤WÁ÷, Á|ÀY±æ©ú¤ë, §CÀY«ä¬G¶m ] ±q¦×²´¬Ý¬Ã¯]¬O¤£¯à¨£¨ì­ð¸Öªº¦r, ¥u¬O¶Â¦â¤@ÂI¦Ó¤w, ¦ý§â¬Ã¯]©ñ¦b¦p¹Ï©Ò¥Üªº¦W¶Q¬õªá±ù¤ì¤p¤¸¹©¤¤, ¹©³»¨Ã¦w¦³¤@¶ô¯S»s°ª­¿©ñ¤jÃè, §Q¥Î¦¹©ñ¤jÃèÆ[¹î«K¯à²M·¡¬Ý¨£¾ã­º¸Ö, ´X¥G³s¨C­Ó¦rªºµ§µe¥ç¯à¤À¿ë, ¥O¤H¹Ä¬°Æ[¤î!! ¦¹¤uÃÀ«~¯à¥[²`¦P¾Ç­Ì»{ÃÑ©ñ¤jÃ褧À³¥Î, ¨Ã¥Ñ³o¥ó¤£¥­¤ZªºÃÀ³N«~±Òµo¾Ç¥Í­Ì¹ï¬ì¾Ç¤§¿³½ì¤ÎÀ³¥Î, ©Ò¥H³o¬O¤@¥ó«Ü­È±o±À¤¶µ¹¦U¬ì¾Ç¦Ñ®vªº±Ð¨ã. ¦¹¦W¶Q¤uÃÀ«~°t¤Wºë¬üµ³¹Ô¤â¹¢²°, ¬ü½ü¬ü«·, ªø´Á·¥¨Î«O¦s. ·LÀJ³W®æ: °ª95mm, ª½®| 33mm, ¬Ã¯]ª½®| 4.5mm
Item No: MICRO9885
Magic Mirror «C»É³z¥úÃè(Å]Ãè)

¬O¤¤°ê¥j¥N¤@¤j¬ì§Þµo©úªº½Æ»s«~. «C»É»s³y, ª½®|70mm, «p5mm, Ãè­±¥ú«G¦Ó·L¥Y, ¥i·Ó¨£¤H, Ãè­I­±¦³¹Ï®×¯BÀJ. ¥O¤H¦YÅ媺¬O, ·í¤@§ô¥­¿Å¥ú®g¦VÃè­±¦Ó³Q¤Ï®g¨ì¥ú«Ì¤W®É, ¥ú«Ì¤W§Î¦¨ªº¶ê§Î¥ú´³¤¤³º¦³¶Â¥Õ¬Û¶¡ªºÃè­I¯BÀJ¹Ï®×. ¨ä­ì²z¬O¥ú¦b¤£¦P¦±²vªí­±¤Wªº¤Ï®g, ¤Ï®g¸ô½u§e¤£¦P¨¤«×¨«, ¸Ô¨£»¡©ú®Ñ
°Ñ¦Ò¸ê®Æ: I.D.B.Swinson.Chinese "Magic" Mirror, The Physics Teacher Vol 30 May1992 The Physics Teacher P295-299
Item No : JHL 618

 

3D Optical glass plate¤Tºû¥ßÅé¥þ®§µøıµP

³o¬O¤@¶ô¦³«Ü±jµøı®ÄªGªº¥ßÅé¦WµP¡AµP¤WªºÆ[­µ¹³©Î¦ò¹³Åã²{¥X«Ü©úÅ㪺¥ßÅé·P¡A¦b¤£¦Pªº¨¤«×¤U§ó¥i¥H±o¥X¤£¦Pªº¥ßÅéµ{«×¡F¤£¦Pªº¦â±m¡C³oªTµøıµPÅý¦Ñ®v¸ÑÄÀ¦³Ãö¤Tºû¥ßÅ骺­ì²z©Mµøı²£¥Íªº¼v¹³·PıIt is a very charming and beautiful glass,
approx 5cm diameter.
The glass plate inside is embedded with an 3D optical color photo, it can give you a strong feeling of 3D image by observation under white light.
Item no : JHL 617

3D Optical spectacle ¤Tºû¥ßÅé¥þ®§²´Ãè

³o°Æ¥ßÅé²´Ã誺­ì²z©M¤W­±ªºµøıµP¤@¼Ë¡A¦P¾Ç­Ì¥i¥ô·N°t±a¦¹²´Ãè§@¤Ó¶§²´Ã褧¥Î¡A¨ä®ÄªG¤Q¤À¦³½ì©M©_¬ð¡C³o­Ó½ÒÃDªº²£«~·|¨Ï¾Ç¥Í¹ï¥ú¾Ç²£¥Í¿@«p¿³½ì©M±Òµo¥L­Ì¶i¤@¨B¾Ç²ß¥ú¾Ç¹ï¤HÃþªº°^Äm¡CThe mechanism of 3D is similar to the above item JHL617, you can wear this spectacle as usual sunlight glasses but other can see your eye appear two 3D image e.g. two eye 3D image or words of 3D love on your glasses.
Very funny and incredible.
Item no : JHL 664

WONDERFUL rotating grating ¤Ï®g¥ú¬]¤Û±mÂàºÐ

¨C®M¤Û±mÂà½L¦@¦³¨â¶ô¿E¥ú®ÄªG¦üªº¤Ï®g¥ú¬]"Grating" ¡A¦¹Âà½Lªº©³³¡¦³¤@ÂI¬ð¥X¦ì¸m¡A¬G¦¹Âà½L¥i¦bÂi­±ÀH·N¦aÂà°Ê«Ü¤[¡C¦b¿O¥ú¤U­±Æ[¬ÝÂà°ÊªºÂà½L¡A·|¬Ý¥X«Ü¦h¤£¦Pªº¥ßÅé±m¦â·¥¤§¬üÄRªº¹Ï®×¡C·íÆ[¹îªÌ²¾°ÊÆ[¹îªº¨¤«×§ó·|¥X²{¥t¤@²Õ¬üÄRªº¹Ï®×¡A¨ä§l¤Þ¤O¥O¤H¥Ø¤£Âà·ú¡C³oºØ¤Û±mÂà½L«Ü¾A¦X¸ÑÄÀ¥ú¾Ç¤Wªº¤Ï®g©w«ß¡A§é®g©w«ß¡A­l®g©w«ßµ¥µ¥¡C
Each pack contains 2 permanent metal disc, it can rotate freely on smooth table. The disc's surface is covered a diffraction grating sheet with special beautiful figures and shapes. When it is rotating , you can see an wonderful 3D shinny , colorful & flashing image, the color will change if you change your observation angle. It is an useful teacher aid to teacher what is light diffraction, reflection and grating properties etc..
Item no : JHL 656 each pair
2-DIMENSIONAL Gratings ¤Gºûªá¼Ë¥ú¬]

¥Ñ¹q¸£Ã¸µeªº´X¦óµ{¦¡²£¥Íªº¤Gºûªá¼Ë¥ú¬]¡A¥i¥HÆ[¹î¥X§ó½ÆÂøªº­l®g«áªG¡A§é®g®ÄªG¡C ¥i¥H§Q¥Î³æ¥ú·½©Î¹q¦Àªº¿E¥ú´Î®g¦V³o¨Ç¤Gºûªá¼Ë¥ú¬]Æ[¹î¡CIt is different from the common 1-dimensional grating (i.e black & white line engraved on an glass slide), 2-dimensional grating slides mounted constructed from fancy computer geometrical patterns using lithographic film; ideal for the study of the interference and diffraction of light from a point light source through direct observation or as a model of Ladue's crystal diffraction. It can be observable by simple white light or laser pointer. A set of 8 different slides
Item no : JHL 620
PERISCOPE Mini °g§A¼ç±æÃè

Made of plastic , cute & funny but workable. The image are clear , shape and the objective and eyepiece can be turn to your desire angle.
Dimension : extension from 10 to 15 cm , dia. 3cm
Item No: KE 380 pack of 5 nos

3D Optical Book of Angels USA ¥ßÅé¤Ñ¨Ïµøı¹Ï¶°

³o¬O¤@´Ú´¿¸g¬y¦æ¤@®Éªº¥ßÅé±¾¹Ï¡A¥¦¬O²V¦X¤F¥ßÅéµøı¾Ç©M¥ú¾Çª«²zªº­ì²z¤§²£«~¡A±¾¹Ïªí­±¬Ý¨Ó¬O¤@®æ®æ¦ü¦³³W«ß©M¼h¦¸ªº¹Ï®×¡A³æÆJ²´¬Ý¨Ó¬Ý¤£¥X¬O¤°»òªº¹Ï¹³¡F¦ý¬OÆ[¹îªÌ±Nµø¤O©ñÃP¦a¾®±æµÛ±¾¹Ï¤ù¨è¡A§A·|Åå©_¦a¬Ý¨£Âø¶ÃµL³¹ªº¹Ï®×­ì¨Ó¬O¤@´T·¥¤§¬üÄRªº¥ßÅé¹Ï¹³¡C
³o¥»¥ßÅéµøı¹Ï¶°¬O¤@´T´T¬üÄRªº¤Ñ¨Ï¯«¸Ü¹Ïµe¡A¦@¦³¤Q¤­´T¡C¨C¤@´T¹Ïµe§¡¦³­^¤å±Ô­z¹Ïµeªº¬G¨Æ¡A¦b®Ñªº­I«á¨Ã¦³¹Ïµeªºµª®×¡A¨ÏÆ[¹îªÌ¥i¥ýª¾¹Dµª®×À°§U¬Ý¬ï¥ßÅéµøı¹Ïµeªº¼v¹³¡C §Ö¨ÓªY½à³o¥»¬üÄRªº¹Ï¶°¡A¬Ý¬Ý½Ö¯à³Ì§Ö¬Ý¨£©Ò¦³¹Ïµe¡A¦³¨Ç¤H·|«Ü§Ö¬Ý±o¨£¡A¦ý¬O¦³¨Ç¤HÁ`¬O¬Ý¤£¥X¡F©Ò¥H³o´N¬O¦¹¥»®Ñ¿W¯S¤§³B
Hard Cover , no. of photo 15 Made in USA
Item no : KE 3DB

Light Earpick ¥ú¾ÇÅÖºû¦Õ«õ

³y¥Xªº·s¦¡¦Õ«õ¡C¥Î¨âªTAAA¹q¦À·Ó©ú¡A³z©ú¥ú¾Ç¶ì½¦¦Õ«õ®M¦bÃþ¦ü¹qµ©ªº·Ó©ú¤â¬`³»³¡¡A¥ú½u¸g¹L³z©ú¶ì½¦¦Õ«õ¸ü¦Õ«õ¦yºÝ®g¥X¡A¦]¦¹§â¦Õ«õ©ñ¤J¦Õ¦·¤º²M¼äªº®É­Ô¦³¨¬°÷ªº¥ú½u·Ó©ú¡A¤Q¤À¦w¥þ©M¦³®Ä¡C³oºØÁo©úªºµo©ú¥R¤À§Q¥Î¥ú¾ÇÅÖºû¾É¥úªº¯S©Ê¡A¦Ñ®v¥iÂǵۦ¹¤u¨ã¨Ó»¡©ú¥ú¾ÇÅÖºû¦b¤é±`¥Í¬¡ªºÀ³¥Î¡C »ö¾¹¥]¬A¡G·Ó©ú¦Õ«õ¹qµ© AAA x 2 Lens Bulb ³z©ú¥ú¾Ç¶ì½¦¦Õ«õ
Item no : KE 8500

 

Optical Fiber Flower Torch ¥úÅÖªá¹qµ©

Help pupil to know what is optical fiber .Beautiful bundle of optical flower lighting by small lamp bulb torch, it is very popular during festival and party. AA x 2 batteries
Item no KE 2500

 

Magic Saving Box ³Nªk¿ú½c

§Q¥Î¥­­±Ã覨¶Hªº­ì²z¡A§â¥b­Óª«¥ó¤Ï®g¦¨¬°¾ã­Óª«¥ó¬Ý¦ü§¹¬üµL·å¡A·í»²¹ô§ë¤Jªº®É­Ô¥u¬O¦b·t®æ¶^¤U¡A©Ò¥H«á¨Óªº»²¹ô¹y®É®ø¥¢¤F¡C­I­±ªº»\¥u»Ý¥Î¤O©Ô¤@¤U´N¥i¥H¥´¶}¡A³o®É«K¥i¥H¬Ý±o¥X¿ú½cªºÂ¬§®¡C
Size : 80 x 80 x 80cm «e­±³z©úµøµ¡
Item no : JHL 705

 

INSECT Sight ©øÂβ´·úÃè (¦h¸WÃè)

§A·Qª¾¹D©øÂβ´ùتº¥@¬É¬O¤°»ò¼Ò¼Ë, ¨e¨£¨ì§Ú­Ìªº¥~«¬¬O«ç¼Ë, ½Ð¥Î³o­Ó©øÂβ´·úÃè©ñ²´¬Ý¥@¬É§a, §A·|·P¨ì«Ü·sÂA©M¦³½ì.
Made of plastic, Dia. 33mm
Item : JHL 666 pk of 10

MINI-Projector ¤p«¬§ë¼v¾¹

To study the light beam running in a straight line . The image formed by this projector comprising six space funny optical objects. Two AA battery (not included) Size : 120mm in length
Item no : T120

PERISCOPE ²°«¬¼ç±æÃè

§Q¥Î¥­­±Ã誺§é®g­ì²z¡A¼ç±æÃè¦b¤HÃþªÀ·|¦³¦Ê¦~¾ú¥v¡C³o­Ó²°«¬¼ç±æÃ誺ÀuÂI¬O»´¥©¡AÆ[¹îªºÃè­±­±¿n¤j¡A¥ú½u§ë¤J¥R¨¬©Ò¥H¼v¹³²M´·¡C¦bº³¨ÓÄc©¹ªºµó¹D·j´M¥Ø¼Ðª«¡A©ÎÀ½­¢ªº²y³õ¤¤Æ[¬Ý²yÁÉ¡A©ÎªÌ»{¬°¦Û¤v­Ó¤l¤£°ª§Æ±æ¤ñ§O¤H¬Ý±o»·¤@ÂI¡A¦³¤F³o­Ó²°«¬¼ç±æÃè´N¤j¬£¥Î³õ¤F¡CHelpful for observation of high & distance object or in the center of a crowded area e.g. during football match, golf match. For student to study light reflection properties. Acrylic body, black in color inside is embedded with 2 x 900 high reflection mirror. Dimensions 50 x 10 x 7.5cm L x W x thickness , Observation mirror size 9 x 8 cm
Item no : TTT 007

OPAL ³J¥Õ¥Û

¥Î©óºt¥Ü¥Õ¥ú¦bªÅ®ð¤¤ªº´²®g­ì²z©M¤@¨Ç¥ú¾Ç¯S©Ê, ¸ÑÄÀ´¸ªÅ¬°¤°»ò¬O½«ÂŦ⪺, ¦Ó´ÂÁø©M±ßÁø¬°¦ó¬O¬õ¦âµ¥µ¥. ³J¥Õ¥Û«p7mm, ª½®| 9cm, ­±¦³¤H«¬¹Ï®×
Item no : JHL 616

CALCITE ¦B¬w¥Û(¤è¸Ñ¥Û)

Âù­±¿i¥ú, ¥iºt¥ÜÂù§é®g²{¶H.±N¥¦©ñ¦b®Ñ­¶¤W, ¥i¬Ý¨ì¤@¦æ¦rÅܦ¨¨â¦æ¦r. ¥ç¥i§Q¥Îlaser pointer³z®gªkºt¥Ü. Size : 11cm short edge, 7-10gm in mass
Item no : JHL 614 ¡K¡K $ 313 each

CAT Eye ¿ß²´¥Û(¤H¤u)

·í¦³¥ú½u·Ó®g¦¹¿ß²´¥Û, ¥Ûªºªí­±§Y¤Ï®g¤@±ø¥Õ¥ú, ¥Õ¥ú·|¸òÀH§A·Ó®gªº¨¤«×¦Ó¨«, ¥Ûªº¥~§Î¬O¶êÅé, ¬Ý¦ü¤@¹Ù¾®µøµÛ§Aªº¿ß²´.
Item no: KE 9552
DIAMOND glass ¤ô´¹Æp¥Û

¦¹¤D¤@²É§l¤Þ°g¤Hªº¯S¤j¤ô´¹Æp¥Û, ¥Î«D±`´¹¼ü­ç³zªº¤ô´¹¤H¤u»s³y, ¤Á³Î­±¸ò¯uÆp¥ÛµL¤À§O, ¥Î§@ºt¥ÜÆp¥Ûµ²ºc, ¥~ªí§Îª¬, ¥ú¾Ç§é®g©Î¤@¯ëÆ[½à¤§¥Î.
Size : surface 41mm , length 50mm, mass 85g , color : Pink colorless
Item no : KE 3335

Active Kaleidoscope °ÊºA¸Uªáµ©

¤@¯ëªº¸Uªáµ©¬O¦bÂà°Êµ©¨­®É·|¥X²{¹Ï®×§ï¡A¦ý³oªT·s¦¡ªº¸Uªáµ©¬O³z¹L²¾°Ê¾î©ñªº±m¯»¬Á¼þºÞ¡AºÞ¤ºªº±m¯»·|ÀHÀH¸¨¤U¦b¬ï¹L¸Uªáµ©ªº®É­ÔÆ[¹îªÌ·|¨£¨ì¤@´T´T°{Ä£ªº¬üÄR¹Ï®×¡A¦n¹³¹Ï®×¦b¬y°Ê©M¤£Â_¦a¼½¥X¡A¦³¤@ºØ°ÊºAªº·Pı¡C
Item no : JHL 707 set of 5


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