Latest concave lens Tenders | Government concave lens Tenders

Central Government/Public Sector

CTN :43907362

21 Mar, 2026 11.81 Lacs

Bardhaman - West Bengal

Tender For corrigendum : supply of physics department equipment oh35 c c -cmos camera , optical breadboard , plancks constant apparatus , lambda 4 quartz wave plate zero order , lambda 2 quartz wave plate zero order , screen holders , irish diaphragm , magnetic base , lens holders , green diode laser with power supply , red diode laser with power supply , linear polarizer polarizing film , polarization tester polarizing film , plano-convex cylindrical lensf 150mm , plano-convex cylindrical lens f 250mm , plano-convex cylindrical lens f 500mm , manual polarizer rotator , precision polarizer rotator with tilt , non-polarizing cube beam splitter , fabry - perot interferometer , post holders , posts , bases , laser power meter , rotational stage , pinhole 5um , analytical weighing balance , diode laser with power supply - more than 5milli watt. w l-405nm , cube beam splitter 25mm

CTN :44108023

17 Mar, 2026 92.00 Lacs

Ganderbal - Jammu And Kashmir

Tender For bid to ras bid to ras supply of cosmic classrooms - interior mural 3d art full room without floor , phases of moon manual , newtons colour disk , day and night manual , solar and luner eclipse manual , ray optics kit , solar energey kit , anti gravity , wieght on other planets , vernier calliper , screw gauge , tuning fork , dubsonic telescope , solar filter , star laser pointer pen with batteries , magnifying glasses , concave lens , convex lens , concave mirror , convex mirror , prism , handy planisphere , litmus paper red , litmus paper blue , ph paper 100 strips , atomic balls , test tubes , test tube stand , evaporation experiment 1 retort stand 1 spirit burner 1 china dish 1 wire guage double 1 tripod stand , filteration experiment 1 retort stand 1 retort ring 1 funnel 1 beaker 1 500 ml 1 filter paper 100 pcs , megnatic set , zodiac constellation 3x3 feet , planisphere 3x3 , we are made of stars , model of rocks , model of minerals , model of metals , telescope model kit , separate chart of substances , dissection box , chemistry kit tongs test tube holder and test tube brush , spirit lamp solution , extra items first law strips curve balls 3 bulb for reoptics , tds meter , pslv rocket model big , space shuttle model big , constillation viewer , satelite signal model , aryabhatta satellite model , solar system model , earth layer model big , structure of sun model , seasons model , photos of geographers , star globe , globes floating , anemometer normal , time indicator , rocket to moon model , water turbine model , biogas plant model , wind mill motorised , wind wane big iron , solar system diy kit , ifpd panel display with backup , display tables , dual desks , digital podium la lectern , ifpd panel with shutter , solar invertor setup

CTN :44445370

03 Apr, 2026 NA

Agra - Uttar Pradesh

Tender For supply of w10-6675-000124 board night observation mk-1 , w10- 6675-000008 compass drafting beam , z1-misc-1000073- m-0012 battery panasonic 3v , v5-6675-001488 protractor special , z1-5930-001534 switch rotary switch with long shaft , v4-bof-4135 cell electrical socket , z3-lorros mk- iv1440-0626-82 connector 3 , x2-mg19-dynaf-3-32-301-07 cable duct 30 x 15 l equal 270 qty-2 l equal , w8-iwh- acb-9232-1900-51 gas duct valve , z1-5961-006534 transistor type t-304 , z1-5950-040191 coil radio freq point 25uh 100v dc , v4-5310-003079 washer flat sliding , v4-5360-000701 spring helical compression , v4-5315- 001724 key ob-4344 , v4-5330-002378 gasket synthetic rubber ob-6848 , v4-5360-000702 spring helical compression , v4-1240-720251632 mirror manganin gb- 1412 , v4-1240-001014 lens cylinder optical instrument gr-50 , v4-5970-000646 insulator feed through ob-4137 , v4-5310-003081 nut plain hexagonal m5 brass special , v4- 5330-002372 seal rubber round section 6 point 75 dia x 1 7

Central Government/Public Sector

CTN :43724741

13 Mar, 2026 NA

Koderma - Jharkhand

Tender For corrigendum : supply of router , firewall , endpoint security antivirus solution , subscription 500 end points , layer 3 switch 48 port , layer 2 manageable 8 port switch , layer 2 manageable 12 port switch , layer 2 manageable 24 port switch , layer 2 manageable poe plus 48 port switch , layer 2 manageable 48 port switch , pri gateway , 1000 base tx transceivers for copper 1000 base tx , 1000 base lx transceivers with lc connector 1000 base lx , 10 gig lr transceivers , 100 gig sr4 transceiverfor 100 gig sr4 , centralized network management system , wlc controller support , dual band access point wifi 6 , tri radio mode access point , dual band access point wifi 6 80211ax , server with hypervisor visualization license , nu onpremises calling enhanced license , ip phone , ip phone with touch screen , utp cable cat 6 , 24 port patch panel cat 6 , information outlets cat 6 , faceplate single port cat 6 , patch cord utp cat6 1 meter , patch cord utp cat6 2 meter , patch cord utp cat6 3 meter for outdoor , fiber optic outdoor armoured cable 144 core , fiber optic outdoor armoured cable 6 core , 144 core liu , 24 core liu , 12 core liu , simplex fiber pigtail 1 meter , optical fiber patch cord length 3 m , optical fiber patch cord length 10 m sm lclc , optical fiber patch cord length 10 m mm lc lc , fibre optic joint enclosure 8 round ports , fibre optic joint enclosure 4 round ports , wire manager patch chord minder panel , supply of gang box , 19 rack 42 u height , 19 rack 24 u height , 19 rack 9 u height , 19 rack pole mount outdoor , pvc conduit of od size 25 mm , pvc conduit of od size 32 mm , pvc duct of size 25 into 25 mm , pvc duct of size 45 into 45 mm , hdpe pvc jacket 15 inch diameter , gi pipe 2 inch diameter , pvc flexible pipe 20 mm , pvc flexible pipe 32 mm , armoured flexible pipe 40 mm , tubular pole , laying of utp cat 6a cat 6 cable stp cable , installation and termination of information outlets , installation and termination of utp cables on patch panel , performance testing , installation of jack panel with cable manager , installation of gang box with faceplate , outdoor laying of fiber cable , fusion splicing of lc type pigtails , supply and installation of buffer tubing kit , performance testing otdr test report , installation of liu , installation of floor mount rack 24 42 u , installation of wall mount rack 9 u , installation of pole mount rack 9 u , installation of pvc conduit of od size 25 mm , installation of pvc conduit of od size 32 mm , installation of marked pvc duct of size 25 into 25 mm , installation of marked pvc duct of size 45 into 45 mm , installation of 15inch diameter hdpe pvc , installation of gi pipe 2 inch underground and on surface , installation of pvc flexible pipe of size 20 mm , installation of pvc flexible pipe of size 32 mm , installation of armoured flexible pipe 40 mm , excavation and resurfacing , supply and installation of fiber optics cable , cable pulling pit , erection of ms pole , desktop , laptop , led display , smart class room solution , video conference solution , biometric solutions , 1kva online ups , 1kva online rack mount , 6kva online ups , supply and installation of 3 core electrical cable , supply and installation of switch socket and mcb , 5mp fixed lens dome camera , 5mp vf bullet camera , 5mp ptz camera , 128 channel nvr , 12tb surveillance grade hdds , technical qualified manpower //bid details2 / 74

CTN :44327188

20 Mar, 2026 NA

Delhi - Delhi

Tender For supply of science specific lab d d - magnets , pin screen , newton colour disc , farady law , rheostat , solenoid , ray optic kit , compass , gravity toy , circuit board , day night , concave lens , convex lens , concave mirror , convex mirror , solar system model , dynamo model , demonstration transformer , crocodile clips ( small) , crocodile clips ( big) , banana clip ( small) , banana clip ( big) , slotted weight 5*50 gm , slotted weight 5*10 gm , thread roll nylon , plane mirror strips (2"*5") with woden /plastic stand , lens holder , measuring cylinder 250 ml , measuring cylinder 1000 ml , hand lens big with led , hand lens small without led , step down transformer (220 v to 4 v) , knitting needle , loose diodes , resistor , capacitor , led , ldr , eureka cylinder , travelling microscpe , bar magnet , ball bearing 1 box , iron stand , plumb line , laser light with cells , cappilary tube 1 dozen , prism , glass slab , key (one way) , connecting wire , sand paper , stop watch (digital) , meter bridge , matallic shaps , balance(digital) , burette stand(plastic) , test tube brush , cork borer (iron) , cork presser(iron) , crucible tongs (iron) , newton cradle , atomic , funnel stand or filter stand (steel/iron) , pestle and mortar , pinch cock(iron) , retort stand with ring and clamp , spirit lamp (barss) , test tube holder (iron) , triangular stand (iron) , tripod stand(iron) , wire gauze(iron) , beaker , burettle , china dish , conical flasks , dessicator , gas jar dises , flasks (r. b. &f. b. ) , funnel , gas jar or cylinder , glazed tile , measuring flasks , pipette , retort , thistle funnel , kipps apparatus , watch glass , ammonium carbonate 500 gm , ammonium chloride 1 kg , ammonium sulfate 500 gm , ammonium bromide 500 gm , aluminum sulfate 500 gm , iron sticks 250 gm , potassium nitrite 500 gm , ammonium oxalate 500 gm , sodium thiosulphate 1 kg , zinc sulfate 1 kg , sodium hydroxide 1 kg , copper sulfate 500 gm , potassium nitrate 500 gm , oxalic acid 1 kg , magnesium sulfate 500 gm , magnesium chloride 500 gm , ammonium phosphate diabasic 500 gm , sodium chloride 1 kg , potassium ferrocyanide (k4fe(cn)6) 500 gm , ferrous sulfate 500 gm , sodium bromide 500 gm , ammonium ferrous sulfate 1 kg , barium chloride 1 kg , strontium nitrate 500 gm , sodium sulfide (na2s) flakes 500 gm , potassium chromate 500 gm , lead acetate 500 gm , sodium sulfate anhydrous 1 kg , lead nitrate 500 gm , universal indicator 500 ml , ammonia solution 1 lt (nh4oh) , phenol 500 ml , aniline 1 lt , bromine water 1 lt , acetaldehyde 500 ml , fehling solution(a) 500 ml , fehling solution(b) 500 ml , acetone 1 lt , carbon disulfide 500 ml , phenolphthalein 250 ml , nesslers reagent 250 ml , manganese chloride 500 gm , calcium chloride fused 500 gm , chloroform 1 lt , test tube (50/125mm) 5 box , test tube holder (thick brass) , dropper glass (150mm) , funnel (2) , pipette (10ml)bulb tube , conical flask (250ml) , volume tric flask (100ml) , filter paper(12. 5cm) , glass rod(thick) , plain white labels (2/1) , sodium sulfite (na2so3) 1kg , picric acid 500 gm , borax 500 gm , cobalt glass , aluminum metal 250 gm , spatula , bunsen burner , droppers , burettes(50ml) , burette stand , laboratory thermometer (-10c to 110 c) , loop the loop , ph paper , litmus paper red , litmus paper blue , litmus solution red 125 ml , litmus solution blue 125 ml , iodine solution 125 ml

CTN :44305104

18 Mar, 2026 25.00 Lacs

Bilaspur - Chhattisgarh

Tender For supply of incubator , laboratory centrifuge , ph meter , analytic balance , hot air oven , colorimeter , bp apparatus , entomological net , hemocytometer , dissection box , blood counting , stereo microscope , bod incubator , potassium dichromate , calcium chloride , potassium iodide , sodium thiosulphate , zinc sulphate , anti abd rh , sodium hydroxide , formic acid , isopropyl alcohol , methyl orange , ninhydrine , starch potato , sucrose , lead acetate , starch maize , hand magnifying lens , test tube , measuring jar , stirring glass rod , pipette , glass coupling jar , microscope glass slide , slide temporary permanent , measuring cylinder , blood lancet needle , petridishes , funnel , chromatography jar , insect killing jar , dropping bottle , spirit burner , chromatography paper , test tube rack , test tube holder , bunsen burner , alcohol burner , glass dropper , cotton roll , dissecting tray , dimond marker pencil , test tube brush , reagent bottle , filter paper , forceps himprincy , funnel stand holdar , watch glass , paraffin wax , insect collection net , tripod for lab , grams stain kit , slide box mocroscope slide , scissors stainless steel , mortar and pestle , stop watch , glass beaker 100ml , glass beaker 250ml , glass beaker 500ml , spatula , erlenmeyer flask conical flask 100ml , erlenmeyer flask conical flask 250ml , permanent slide , reproductive system , human skeleton model with stand , body organ , brain human , nervous system in human , excretory system in human , circulatory system in human , human skin integument , anatomy of ear , anatomy of eye , anatomy of teeth , digestive system in human , respiratory system in human , dna model watson and crick , model anatomy of heart , model anatomy of lungs , model anatomy of kidney , mitosis and meiosis , evolution horse , vernier calipers , screw gauges , stop clock , digital ) /bid number: gem/2026/b/7302727 * /dated: 03-03-2026 & & / bid document1 / 110stop watch , thermometer mercury , digital multimeter , spherometer , digital balance , digital vernier calipers , copper wire , moment of inertia , moment of inertia of fly wheel , study of a compound pendulum , bending of a beam , bending of a cantilever , y k n by searls apparatus , wire static and dynamic method , viscosity of a liquid by stokes method , stewart and gees apparatus , iquid by different method , tension by capillary rise method , liquids through capillaries , measurement of inductance , carey foster bridge , impedance at different frequencies , lcr circuit and tesponse frecquency , vibration magnetometer , magnetic field b , rc circuits , lissajous figure , network theorem , bifilar suspension , modulus of rigidity by maxwell needle , irregular bodies by inertia table , energy into heat , ketile , resistance thermometry , thermoemf thermometry , conduction of heat through poor , study of newtons law of cooling , thermal conductivity by searles method , specific heat of liquid by method of cooling , laser experimental setup with diode laser , laser experimental setup with hene laser , sonometer , mercury light , sodium light , rtelescope , ultrasonic , fresnels , polarimeter , brewsters law , optical rotation for any system , monochromatic , microscope , plancks constant using led , photoelectric effect , thompsons method , millikans method , lodine vapour , transformer core , dilectric constant , transistor , diode , zener diode , bh curve apparatus , lcr resonanee apparatus , rectifier apparatus , regulated power supply , rc coupled anmplifier , lcr impedance apparatus , cassegrain , analytical , hot plate , calorimeter digital , digital conductivity metre , ostwald viscometer glass , stalagmometer glass , centrifuge machine , desiccator 8 , measuring cylinder 100ml , petri dish plastic and glass , crucible , surgical scissors (v2) (q2)incubator, laboratory centrifuge, ph meter, analytic balance, hot air oven, colorimeter, bp apparatus, entomological net, hemocytometer with rbc a

Central Government / Public Sector

CTN :44242178

16 Mar, 2026 NA

Sambalpur - Odisha

Tender For supply of still compact digital camera.specifications(1) effective pixels (mega pixels) -24(2) lens mounting-detachable. (3) optical zoom-3x to 5x,(4) maximum recording resolution (pixels) -hd (1280x720)(5) video file format-mov, avi, mp4(6) flash-built-in(7) connectivity interface-bluetooth, usb(8) control-remote, app(9) supported operating system for app-ios, android, windows(10) memory card expandable up to (gb)-256(11) power source-rechargeable battery(12) battery capacity(mah)-4500. make:- sony/ canon/ panasonic/ kodak/nikon or similar .

Central Government/Public Sector

CTN :44194258

17 Mar, 2026 3.78 Lacs

Chatra - Jharkhand

Tender For supply of vernier calliper, bob/metallic sphere(small) with hooks, wooden block small size, beaker (glass), screw gange, metal/steel sheet (rectangular), spherometer, watch glass, law of parallelogram apparatus (gravestand apparatus), inclined plane with roller & pan, weight box (physical), protector (plastic) laboratory use), physical balance (digital), spring balance, tubular, vertical stand with 3 clamps, meter scale 100 cm, meter scale 50 cm, stop clock, bench pulley, semi circular meter scale, spirit lamp/burner, wall mount for searle's apparatus, scarl's apparatus, steel wire, loose weight 1/2 kg, loose weight 50 gm, loose weight 20gm, hangers with slotted weights 500 gm, hangers with slotted weights 100gm, hangers with slotted weights 50 gm, boyle's law apparatus, fortico barometer, laboratory thermometer, plumb line level, capillary tube, kesino taise (compieter w, capillary tube, clamp & side rod attachment used in, experiment, surface tension of liquid by capillary rise method, travelling microscope, round bottom flask (calibrated), calorimeter, double layered bronze pot, thermometer 1/2 degree c, stirrer, sonometer, electromagnet with transformer for sonometer, tuning fork set, rubber pad, resonance tube apparatus, slinky spring, lypsometer, rubber cork for hypsometer, wire cutter, scale for measuring angles, measuring tape, water pipe with a metallic nozzle (narrow opening)., split cork, steel ball diameter 2.5 cm, wooden block 2 cm hight, wax 500gm, boiling tube, lid (having two holes), wire gauge, bi-metalic sheet/rod of iron and brass, horizontal friction table, tripod stand, apparatus for newton's cooling law, gold leal flecectroscope, ohm's law apparatus, wheatstone bridge apparatus, meter bridge, potentiometer, 10 wire, resistance box 1-1000 olim range, resistance box, 1-5000 ohm range, rheostate 30 ohm, rheostate 50 olum, one way key, two way key, moving coil galvanometer (30-30 divisons), glass tube( open at both ends), glas rod, ebonite rod, banana plug connectors prob/leads, connecting wires, voltmeter (0-15v), ameter (0-5 a), miliameter (0-500 ma), jockey, lechlanche cell, deniel cell, dry cell( rechargable) 1.5 v, sand paper, electromagnet for demo, optical bench with 3 stands, plane mirror small size, convex mirror of different focal lengths, concave mirror of different focal lengths, convex lens of different focal lengths, concave lens of different focal lengths , 10 newton's ring model, 5 battery climinator 12 volt, 7x5", bar magnets, dipress clamp & bosshead, drawing board, glass slab (english glass) 100x60x18 mm, glass slab(english glass) 75x50x18 mm., horse shoc magnets, iron stand (will cramp of boss ried, logic gate apparatus, magnetic compass small size, magnifire, prism, quality with, sheet metal (retort stand) superior, working model of dynamo, working model of electric motor, zener diode experiment circuit board, pn junction diode, zener diode (0-10 v), carbon resistance of different values, npn transistor, pup transistor, junction diodes/ semiconductor diode, led, electric switch, ic chip , capacitor , multimeter digital, electric tester, spirit level, tool kit (plier, screw diver,drill machine and all essential tools), kaleidoscope, periscope, crocodile clip for connections, board pin packet., cotton thread roll, lycopodium powder, constantan wire/resistant wire, iron filling 500gm., amonium chloride 99%, cupric sulphate (copper sulphate)-98.5%, 500 gm, glycerine (glycerol) - 98% 500 ml , analytical balance, analytical balance (digital), asbestos sheet plain, bunsen burner, chemical bonding chart, chemical splash protection google, chemistry kit, daniel cell kit, electric water bath, fractional weight with rider, funnel, galvanometer, hand operated centrifugal machine, hybrid orbital chart, laboratry safety chart, laboratry technique chart, milli voltmeter, modern periodic table laminated, ncert molecular model kit, ph chart laminated, rubber pipe for bunsen burner, senior seco

CTN :43948978

18 Mar, 2026 NA

Multi City - Multi State

Tender For supply, installation and commissioning of ultra-precision alignment and turning equipment for optical lens assemblies

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