Latest concave lens Tenders | Government concave lens Tenders

State Government

CTN :39595036

05 Apr, 2025 1.20 Crore

Panchkula - Haryana

Tender For corrigendum : supply of science lab equipments - glass slab, glass prism, magnetic compass, bar magnet, drawing boards, spring balance, stop clock with start, stop & fly back, action, resistance box plug, type, optical bench,, constantan wire, mirror strip with, holder, meter rod, resistance coil, voltmeter, galvanometer, laclanchee cell, ammeter, battery eliminator, connecting wire, convex lens, convex lens, concave lens, concave lens, concave lens, concave mirror, concave mirror, concave mirror, convex mirror, convex mirror, convex mirror, magnifying glass, magnetic needle 3, with stand, zinc rod, zinc plate, copper plate, ohm's law, apparatus, one way key, two way key, thermo meter (c), ebonite rod, ring and ball, apparatus, rheostat, pulley plastic, horseshoe magnet, metallic bob with, hook, water proof wall, hangings charts, daniel cell (copper, vessel), digital balance, capacity 500gm, mass box in 1-2-2-, series up to 100, gms., non soldering, circuit board, clamp stand, plumb line, charts showing, human physiology, student microscope, with light source, dissecting, microscope, microscopic glass, slide, petri dishes, petri dish, cover slips, forceps, dissecting needle, spirit lamps, test tubes with test, tube stand, test tube draining, tray, test tube draining, tray, student utility set, beakers, beakers, test tube holder, blotting paper, watch glass, measuring cylinder, dropper glass, funnel, butter paper, filter paper no. 1, glass rod, tripod stand, slide box, bacteria bacillus, algae oscillatoria, algae spirogyra, fungi rhizopus, fungi yeast, l.s. funaria, amoeba, parenchyma tissue, collenchyma tissue, sclerenchyma tissue, epithelial tissue, muscular tissue, striated, muscular tissue non, striated, muscular tissue, cardiac, nerve fiber, mitosis, meiosis, t.s.dicot stem and, monocot stem, t.s.dicot root and, monocot root, fungi, human skelton, burette, blow pipe, beehive shelf, bottle brush, chart colour ph, ph paper, china dish, capillary tube, rubber cork, cork-borer, pipette serological, graduated, measuring cylinder, pestle & motor, wash bottle, reagent bottle, narrow mouth, iron stand made, sheet metal, sand paper, spirit lamps s., spatula stainless, steel, test tube brush, magnesium ribbon, zinc metal graules, iron metal turnings, magnetic kit, sphere set, digital voltmeter, digital ammeter, triangular file, trough, thermometer, chemical alcohol, thistle funnel, wire gauge, watch glass, ordinary glass, wicks for burner, elements card set, model of diamond, structure, model of graphite, structure, water condenser, porous pot, rubber cork, rubber cork, rubber cork, stirrer, storage box, instruments tray, instruments tray

State Government

CTN :39595042

05 Apr, 2025 88.50 Lacs

Panchkula - Haryana

Tender For corrigendum : supply of physics lab equipment - vernier calipers , screw gauge , spherometer , laboratory stand , measuring cylinder , pulley (s type) , inclined plane , steel roller , bob with hook , 50g slotted , weight hook with , set of tuning forks , stopwatch , capillary tube , aluminium roller , hook 's law apparatus , spring balance 250g , physical weight box , wooden wedge, 500 g slotted weight hook with , rubber pad , lab broom , shelf , plastic beaker , funnel , laboratory thermometer , copper calorimeter with stirrer , resonance apparatus , tripod stand , spirit lamp , rubber cork , mirror strip with plastic holder , bimetallic strip , pinch clip , sonometer , battery eliminator , carbon resistors (1/2w), double concave lens , double convex lens , concave mirror , convex mirr?? , connecting wires , daniel cell , drawing board , led , pn junction diode , ic , transistor , meter scale , galvanometer , optical bench , u"shaped magnet , bar magnet , jockey , ldr with box , leclanche cell , manganin wire , multimeter , glass slab , pins , plug key , plug key , plumb line (small size) , potentiometer, voltage generator ac/dc operated belt , resistance box , rheostat , wire gauze , capacitor , prism , voltage generator (gear operated) , motor , electromagnet with variable power supply , sand paper , resistance coil , variable power supply , zener diode , bread board, plug in circuit set, circuit board, banana connecting wire plug , crocodile clips , meter bridge , volt meter with stand , millivolt meter with stand , ammeter with stand , milliammeter , electrical electronics & learning s set with working manual, soldering kit , graphs paper , led torch , magnetic compass , ohms law apparatus , pn junction diode characteristics apparatus , zener diode characteristics apparatus , ping pong ball , newton 's law of cooling apparatus , g clamp 3" , candle , block & tackle , apparatus , electronic balance , soldering mat , screw driver , instruments/c omponent tray , instruments/c omponent tray , component storage unit , electronic components , micrometer , verniercalliper s , multimeter , resistance colour coding , daniel cell , laclanche cell, bulb , ring magnet , disc magnet , plastic scale , crocodile clips , cell two cell , holder , pencil jockey , ebonite rod , conductivity set , setting pins , lens/mirror stand , spring set , styrofoam balls , pop it beads , def spoon with lid

CTN :39739754

02 Apr, 2025 NA

Pune - Maharashtra

Tender For supply of optics and opto mechanical components and equipments - 50:50 non-polarizing beamsplitter cube, 700 - 1100 nm, 1 or 25 mm specifications: cube side length - 25 mm or 1 clear aperture > 20mm wavelength range - 700 - 1100 nm ar coating (all four surfaces) with ravg 0.5% in the wavelength rangesubstrate material - n-bk7 beam deviation - 5 arcmin or lesssurface quality - 40-20 scratch-dig absolute t and r are within 47 10 %, kinematic prism mount for 1 or 25 mm cube beamsplitterspecifications:black anodized aluminum kinematic for vertical or horizontal mounting with two adjustersmounting platform plate with m4 tapped holesadjusters provide fine tip and tilt controlaround 100 tpi adjusters for 4 tip/tiltm4 through holes or taps in the back plate of mounts for post-mounting(it should be compatible with the item number 1), 1" or 25 mm broadband dielectric mirror, 750 - 1100 nm specifications:reflectance average > 99% or better for 750-1100 nmmaterial - fused silicasurface flatness - /10 surface quality - 10-5 scratch-dig or betterback surface - fine groundclear aperture - 85% or more of dimensionthickness - around 6 mm, 1" or 25 mm mirror mount with monolithic flexure arm, 3 adjusters, monolithic optic retentionspecification:tip, tilt, and z-axis adjustment with 100 tpimaterial heat-treated stainless steelcleanroom and vacuum-compatibleadjustment per revolution 7.7mrad/rev or lessfront plate translation 6mm or moreangular range 4 (it should be compatible with the item number 6), quadrant photodetector head, 1000 - 1700 nm, area 3.0 mm specifications:detector type - ingaaswavelength range - 1000 - 1700 nmdetector bandwidth > 100 khzactive area size - around 3.0 mmpeak responsitivity - 1 a/w or better within the operating wavelength rangetransimpedence gain - 10000 v/a or betteroutput - x, y, and sum analog signals through cable(s), ingaas switchable gain amplified detector, 800 - 1700 nm, area > 3 mm specifications:detector type - ingaaswavelength range - 800 - 1700 nmbandwidth - 10 mhz or largeractive area size - 3 mm2 or largergain adjustment and step - 10 db steps (8 to 10 position rotary)output - bnc (dc coupled), 0-5 or 0-10 v rangeoutput impedance - 50 ohmpeak response - 1 a/w or better within the operating wavelength range, 25.0 mm n-bk7 plano-convex lens, f=50 mmspecifications:focal length tolerance - 1%diameter - 25.0 mmroc - 25.8 1 mmmaterial - n-bk7ar coated for the 1050-1700 nm wavelength rangereflectance over coating range - 0.5 % or lesssurface quality - 40-20 scratch-digsurface irregularity - /4, 25.0 mm n-bk7 plano-concave lens, f=-50 mmspecifications:focal length tolerance - 1%diameter - 25.0 mmroc - 25.8 1 mmmaterial - n-bk7ar coated for the 1050-1700 nm wavelength rangereflectance over coating range - 0.5 % or lesssurface quality - 40-20 scratch-digsurface irregularity - /4

Central Government/Public Sector

CTN :39614931

22 Mar, 2025 NA

Jhansi - Uttar Pradesh

Tender For corrigendum : e61240052/ safty item - drill canvas hand gloves.size-300mm.supply to be made as per corporate standard ppe specification munualrev.01 page 157 to 159.dt:30.05.2012, filter lenses (coloured glass forwelding shield)11 din.as percorporate standard ppespecification manual rev.01page 85-86 dt. 30.05.2012., filter lense (coloured glass forwelding shield)14 din.as percorporate standard ppespecification manual rev.01page 85-86 dt.30.05.2012., plastic perpexvisor,tosize -150x100 x 1.56 mm., leather leg guard for protectionagainst spark during welding.supply to be made as per corporatestandard ppe specification manual rev.01 page 216-218.dt :30.05.2012

CTN :39697635

04 Apr, 2025 NA

Visakhapatnam - Andhra Pradesh

Tender For supply of mirror less camera , lens 24 105 by 4 , lens sigma 24 70 mm , screen protector , sd card or memory card 256gb sd , rechargeable battery for mirror less camera , battery grip for mirror less camera , flash speed light , lens filter or uv filter to protect the lens , camera tripod sturdy and adjustable , 1tb ssd , dry cabinet for camera and lenses 55s , pinball backpack , small rig cage , tech camera strap , inkjet colour printer with printing resolution 4800x1200 , sensor cleanning cabble , tether tools tether cabble , muslin bacdrops

Central Government And Public Sector

CTN :39662734

21 Mar, 2025 NA

Raipur - Chhattisgarh

Tender For supply of all types of surgical items including before and after surgery like sutures, ligatures, iv fluids, splint & braces implants, intraocular lenses, ophthalmic, orthopedic, gynecolofgical surgical items etc [ warranty period: 30 months after the date of delivery ]

CTN :39599796

27 Mar, 2025 NA

Bhopal - Madhya Pradesh

Tender For iehe invites online tender for material required for practicals of agriculture department - permanent slides, fungal spores puccinia: permanent slide - puccinia sporescommon minimum specimen: 10 slides, fungal spores fusarium: permanent slide - fusarium sporescommon minimum specimen: 10 slides, bacterial cells xanthomonas: permanent slide - xanthomonas cellscommon minimum specimen: 10 slides, bacterial cells pseudomonas: permanent slide - pseudomonas cellscommon minimum specimen: 10 slides, virus inclusions prepared sections, nematode stages eggs, juveniles, adults: permanent slide - nematode stagescommon minimum specimen: 10 slides, specimen, rice blast (magnaporthe oryzae) - rice blast ( ), wheat rust (puccinia graminis) - wheat rust (orange, brown, or yellow pustules on leaves and stems), powdery mildew (erysiphe spp.) - powdery mildew (white, powdery fungal growth on leaves and stems), early blight of tomato (alternaria solani) - early blight (concentric rings on leaves and fruits), late blight of potato (phytophthora infestans) - late blight (water-soaked lesions on leaves and tubers), anthracnose (colletotrichum spp.) - anthracnose (dark, sunken lesions on fruits and stems), tikka disease (cercospora arachidicola) - tikka disease (leaf spots with yellow halos), rice blast ((magnaporthe oryzae)) - rice blast fungus (preserved specimen), wheat rust ( (puccinia graminis, p. recondita, p. striiformis)) - wheat rust fungus (preserved specimen), powdery mildew ( (erysiphe spp.)) - powdery mildew fungus (preserved specimen), early blight of tomato ( (alternaria solani)) - early blight fungus (preserved specimen), late blight of potato ( (phytophthora infestans)) - potato blight specimen (1 infected potato leaf/tuber), anthracnose ( (colletotrichum spp.)) - mango anthracnose specimen (1 infected mango fruit/stem), tikka disease ( (cercospora arachidicola, phaeoisariopsis personata)) - groundnut tikka specimen (1 infected groundnut leaf), bacterial leaf blight of rice ((xanthomonas oryzae pv. oryzae)) - rice bacterial blight specimen (1 infected rice leaf), bacterial wilt of tomato ( (ralstonia solanacearum)) - tomato bacterial wilt specimen (1 infected tomato plant), citrus canker ( (xanthomonas axonopodis pv. citri)) - citrus canker specimen (1 infected citrus leaf/fruit), tobacco mosaic virus (tmv) () - tmv_pv-0107 (infected leaf sample), yellow vein mosaic virus of okra (begomovirus) () - begomovirus solanumdelhiense (infected leaf sample), tomato leaf curl virus (tlcv) () - tomato leaf curl virus (infected leaf sample), papaya ring spot virus (prsv) () - prsv (infected leaf or fruit sample), root knot nematode ( (meloidogyne spp.)) - root samples (preserved specimen), cyst nematode ( (heterodera glycines)) - root samples (preserved specimen), nutrient deficiency symptoms () - leaf samples (preserved specimen), environmental stress ( (drought/waterlogging)) - root/soil samples (preserved specimen), instruments, student compound microscope - monocular tube, inclinable up to 90 degreesfixed square stage of minimum 120x120mm with stage clips & fixed iris diaphragmplano-concave 50mm adjustable mirror on gimbal mounteyepiece: wide-field 10x and 15x objective lenses: 10x, 40x (spring-loaded), and 100x oil immersion.magnification: 40x-100xbody material: durable metal frame with anti-corrosion coating., student dissecting microscope - magnification: 10x, 20x, 40x.portable designdual illumination system (top and bottom)large working distance for manipulating specimens, soil testing kit - tests parameters: ph, electrical conductivity (ec), organic carbon (oc), nitrogen (n), phosphorus (p), potassium (k), zinc (zn), sulphur (s), boron (b), copper (cu), iron (fe), manganese (mn), lime requirement, gypsum requirementbattery backup: 3-6 hoursdigital display and printer interfaceportable and easy to use, image projecting system - resolution: 5 megapixelsmagnification: up to 1000xlight source: led illuminationconnectivity: usb 2.0 for pc

CTN :39597157

27 Mar, 2025 NA

Dehradune - Uttarakhand

Tender For supply of set of lenses for pns 7.62 x 51 mm

Central Government/Public Sector

CTN :39555427

25 Mar, 2025 NA

Udhampur - Jammu And Kashmir

Tender For supply of science and geography lab equipments - beaker (500 ml) , conical flask (250ml) , bleaching powder , hydrogen peroxide , ph paper , ferrous sulphate , phenolphthalein indicator , potassium nitrate , capillary tube , digital weighing machine , centrifugation apparatus , distilled water making apparatus , chromatography paper , thiourea , measuring flask (250 ml) , potassium iodide , ethanol , methanol , potassium permangnate , lead nitrate , ferric ferro cyanide , dimethyl glyoxime , pipette (20 ml) , ammonium sulphide , bottle opener , centrifugation tube , paper slip for chemical name, digital microscope , gel electrophoresis machine , micropipettes (10microlitre) , eppendorf tubes , acrylamide gel , calcium nitrate , conical flasks 250 ml , wash bottles , petridish , blotting paper , chromatographic paper , spirit lamp , test tube stand , ethanol , wire guage , ether acetone solvent , acetone , capillary tube , mortar and pestle , measuring cylinder(50ml) , measuring cylinder(100ml) , potassium hydroxide pellets , mini test tubes , u-shaped bend glass tube , cavity slides , lime water , microscope lens cleaner , charts dna replication, transcription, translation, cymose and racemose inflorescence , models-symbiotic association in root nodules of leguminous plants, cuscuta on host , glass rod , permanent slides-monocot, dicot leaf, labeo rohita, catla(fish), v.s of blastula, malarial parasite(plasmodium) , human brain model(4d) , beaker 100ml , funnel, vernier calliper , manual , vernier calliper digital , screw gauge manual , screw gauge digital , meter scale , half meter scale , pn junction apparatus , connecting wires , travelling microscope , gravestand apparatus , laser light , hooks law apparatus , projectile launcher , slinky , electric tool kit , compass , rheostat , ohms law apparatus, number planet ml 112 , geo geometric stick ml 123 , vertex wonder ml 124 , trigonometry board ml 216 , cylinder cut in 8 parts wooden ml 227 , playing cards ml 234 , dice superior set of 6 ml 235 , arithmetic progression ml 304 , probability kit ml 303 , fraction, decimals & percentage chart um 101 , sextant models mks , , conic section with standard equations ml 301 , set theory by venn diagram ml 302, metal slinky , optical stand , concave lens/mirror , concave lens/mirror , plane mirror , laser lights , glass prism 50x50mm , 9v battery , separating funnel500ml borosil , lab thermometer , testtube rack , testube holders , droppers , lodine solution , copper sulphate , sodium hydroxide , pallets , ethanol , lime water , gycerine , potassium nitrate , hydrogen peroxide 6% , conical flask (1000ml) , spatula , whatman filter paper , copper wire , tripod stand 10"

CTN :39562834

24 Mar, 2025 1.47 Lacs

Kochi - Kerala

Tender For purchase of chemicals and components for physics,chemistry,zoology,botany and computer science - purchase for chemicals and components, convex lence (liquid lens)focal length - 18 cm, mercury lamp 125w ( bulb only ) connetion similar to osram 125 w, reading lens, glass prismrefractive index 1.5, diode in4007, grating lpi500 lpi, grating 600 lines/ mm, small angle prisum, resistance wire ( resistivity - 1 microohm -m diameter 0.7 mm, connection wireinsulated copper diameter 0.5 mm, newtons rings ( lenses set only), 7 segment display-suno56ca ( ry30110), capacitor, 102, 103, 104, 230, 10uf -15 each, transistors,bc 107b, 187p34, 188 s35,ksp22a, 7812, bc 548, - 15 each, ic 4017, ic4046, ic7412, ic555, ic565, ic741, ic7414, ic4000, ic4002 - 15 each, resister, ohm 100,470, 270, 390, 150, 22- 25 each, resistors k ohm - 1k, 2.2k, 2.7k, 10 k, 6.8 k, 6.8 k, 6.75 k, 5.5k, 22k, 31 k, 47k 100k, 120k, 220k ( 25 each ), 9v battery, aa battery 1.5v, aaa battery 1.5 v, led bulb red,green, blue (10 each), sand papper grade-1000, aluminiun foil, round magnetic stirring bar with pivot ring:-material:ptfe/alnico v magnet, size:6x10mm,, round magnetic stirring bar with pivot ring:-material:ptfe/alnico v magnet, size:8x22mm., alumina tray - 25 ml -b, alumina tray - 100 ml b, alumina crucible100 ml b, graphite electrode 6 mm dia *150, ito coated glass1cm *1 cm size, graphite sheet 0.5 mm thickness, nikel foil0.6mm thickness - 2 sheet, super p carbon 5 g, pvdf>99%- 50 g, n methyl pyrrolidine ( n mp)500ml 1 bottle, glass rodemax 12 v, wire stripper, testtube 5ml &10m1glass - 6 each, rubber glovessuitable for furnace application - 2 pair, reagent bottles, plain n/m with screw cap (250 ml) cat - 150002470179090 - borosil, reagent bottles, plain n/m with screw cap (100 ml) cat - 150002470179090 - borosil, reagent bottles, amber, narrow with screw cap (100 ml)70179090 - borosil, diluent for dna extraction (himedia, 500 ml), anti abd 3 x 10 ml (j. mitra), lamposolv (nice, 500 ml), nitric acid (nice, 500 ml), isopropyl alcohol - 99% (nice), potassium permangante - (nice, 500 gm), d-glucose anhydrous (dextrose, nice, 500 gm), sodium bicarbonate (nice, 500 gm), alpha glucosidase enzyme10 mg x 2, p-nitrophenol- -d-glucopyranoside 100 mg x 1, maleic acid 100 g x 1, dialysis membrane- 705 meter x 1, phosphoric acid 500 ml x 1, abts (2,2-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt) 500 mg x 1, potassium persulphate 500 g x 1, monosodium hydrogen phosphate 500 g x 1, disoidum hydrogen phosphate 500 g x 1, cinnamic acid 500 gm x 1, biphenyl 100 gm x 5, benzene 500 ml x4, benzoyl chloride 500 ml x 2, hexane 2.5 ltr x 2, hydrochloric acid 500 ml x 30, methanol 2.5 ltr x 6, nitric acid 500 ml x 10, nitro benzene 500 ml x 4, phenyl hydrazine 250 ml x 2, sulfuric acid 500 ml x 10, toluene rectified 2.5ml x 3, borsches reagent125 ml x 5, phenolphthalein solution 125 ml x 5, sodium bicarbonate 500 gm x10, silver nitrate 25 gm x 1, charcoal activated 250 gm x 2, dish wash liquid 2 liters, surgical gloves 100x5, tlc silica aluminium sheet 20x20cm50, spatula big 200, beaker 50 ml, beaker 250ml, beaker100ml

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