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<title><![CDATA[EC21 Product Catalogs - standard focal lens]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/standard focal lens.html]]></link><item>
<title><![CDATA[WINNER2006B Intelligent Wet Laser Particle Size Analyzer]]></title><link><![CDATA[https://winnerparticlesize.en.ec21.com/WINNER2006B_Intelligent_Wet_Laser_Particle--12069738_12071633.html]]></link><description><![CDATA[lens. The focal length is reduced to enhance the resolution of the instrument, and ring shaped of multi-element silicon photo-diode ensure gathering all the light signals of particles, highly improve]]></description><pubDate><![CDATA[20260509]]></pubDate></item>
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<title><![CDATA[Explosion Proof Digital Camera for Oil and Gas]]></title><link><![CDATA[https://xuxin1.en.ec21.com/Explosion_Proof_Digital_Camera_for--12053528_12053529.html]]></link><description><![CDATA[Standard: 0.5m to infinity (full focal range)
Distance from the front end of the lens
Macro: 0.1-0.6m (full focus range) 1cm Macro: 0.01-0.3m (center of focus range) can be switched to infinity, pan ]]></description><pubDate><![CDATA[20250401]]></pubDate></item>
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<title><![CDATA[Achromatic Cemented Lens]]></title><link><![CDATA[https://hsgdoptic.en.ec21.com/Achromatic_Cemented_Lens--12004331_12019605.html]]></link><description><![CDATA[lens will have noticeable advantages over a comparable diameter and focal length singlet.
We can provide customized achromatic doublet lenses to meet your requirements or edge stock lenses for quick ]]></description><pubDate><![CDATA[20241022]]></pubDate></item>
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<title><![CDATA[Aluminium Oxide Ball Lens]]></title><link><![CDATA[https://ruiqioptics.en.ec21.com/Aluminium_Oxide_Ball_Lens--11974301_11974306.html]]></link><description><![CDATA[Ball lens have shorter focal length than convex lens, Spherical lenses have greater magnification than common convex lens, minimizes the distance from spherical lens to optical fiber, mainly used in ]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Swarovski CTS 85 Inc Case]]></title><link><![CDATA[https://oriontic.en.ec21.com/Swarovski_CTS_85_Inc_Case--11558549_11559224.html]]></link><description><![CDATA[to +158° F)Submersion tightness of CT, CTC and CTS: depending on construction not waterproofSubmersion tightness: 4 m (13 ft) (filled with nitrogen)Objective lens focal length: 460 mm (18.11 in)
]]></description><pubDate><![CDATA[20240716]]></pubDate></item>
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<title><![CDATA[Optex Passive Infrared Detecter Rx-40qz]]></title><link><![CDATA[https://bettytaian.en.ec21.com/Optex_Passive_Infrared_Detecter_Rx--3682737_3683197.html]]></link><description><![CDATA[lens design, which is not only robust, but also helps to maximise the performance of Quad Zone Logic by providing an accurate focal length for each detection zone.
The RX Series also includes Optical]]></description><pubDate><![CDATA[20240712]]></pubDate></item>
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<title><![CDATA[Vis Lens System]]></title><link><![CDATA[https://opticreate.en.ec21.com/Vis_Lens_System--11076616_11209998.html]]></link><description><![CDATA[lens
project
parameter
data
Optical parameter
focal length
20 to 250mm
aperture
3.0/4.8 ( DC auto iris)
Field of view
2.8° to 33.7°
Optical distortion
&lt; 7%
Working band
0.436~0.656um
Optional detec]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[2 Axis 2 Frame POD Multiple Spectral Electro Optic Camera Sensor 4.5kg]]></title><link><![CDATA[https://leadir.en.ec21.com/2_Axis_2_Frame_POD--11958808_11958803.html]]></link><description><![CDATA[Standard 24VDC,adaptable to 19-32VDC
Power consumption
Average power consumption&lt;35w,peak&lt;100w
Azimuth Axis working angle
Nx360°
Elevation Axis working angle
-110°~+30°
Maximum Angular Velocity
]]></description><pubDate><![CDATA[20240628]]></pubDate></item>
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<title><![CDATA[Camera Solution]]></title><link><![CDATA[https://cameramanufacturer.en.ec21.com/Camera_Solution--11916776_11916783.html]]></link><description><![CDATA[Lens Compatibility: Ensure the selected lens is compatible with the chosen sensor size and provides the desired field of view, aperture, and focal length.
Image Processing: Develop robust image proce]]></description><pubDate><![CDATA[20240327]]></pubDate></item>
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<title><![CDATA[Mega Pixel Lenses 398200FT-5MP-IR]]></title><link><![CDATA[https://hkop0785.en.ec21.com/Mega_Pixel_Lenses_398200FT_5MP--11568005_11568020.html]]></link><description><![CDATA[standard and custom design lens models from raw materials to finished lens products.
Product Specification
Sensing Area
IMX178 [2592(H) x 1944(V)]
IMX274 [3840(H) x 2160(V)]
Focal Length
3.9MM ± 5%
]]></description><pubDate><![CDATA[20220515]]></pubDate></item>
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<title><![CDATA[Monocular Outdoor Thermal Image Telescope]]></title><link><![CDATA[https://cnmicrooled.en.ec21.com/Monocular_Outdoor_Thermal_Image_Telescope--11846169_11846171.html]]></link><description><![CDATA[lens and screen should be cleaned with use of cleaning agents for professional optical glasses.Lens MaintenancePrevent damage of the infrared lens：● Clean the infrared lens carefully. The lens is]]></description><pubDate><![CDATA[20230920]]></pubDate></item>
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<title><![CDATA[Optical Spherical Fused Silica Lens for Sensor and Lighting]]></title><link><![CDATA[https://june20210728.en.ec21.com/Optical_Spherical_Fused_Silica_Lens--11547959_11548001.html]]></link><description><![CDATA[Standard optical fused silica plano convex lensNo.EFL(mm)DiaR1(mm)BFL(mm)Tc(mm)Te(mm)12A4249R10.005.004.588.492.201.5012A4280R10.006.004.588.222.601.5012A4917R15.006.006.8813.492.201.5012A4194R20.006]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[Winner-2308B Intelligent Wet and Dry Laser Particle Size Analyzer]]></title><link><![CDATA[https://winnerparticle.en.ec21.com/Winner_2308B_Intelligent_Wet_and--11683754_11683895.html]]></link><description><![CDATA[Standard
ISO13320-1:2009,GB/T19007-2016,Q/0100JWN001-2013
Compliance with 21 CFR Part 11
Principle
Laser diffraction principle 
Analysis
Mie and Fraunhofer scattering
Detector Arrangement
Log-spaced ]]></description><pubDate><![CDATA[20221130]]></pubDate></item>
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<title><![CDATA[F1.0 F1.5 F1.6 F1.7 F1.8 F1.9 F2.0 F2.1 F2.2 F2.4 F2.5 F2.8 1 Megapixel 2mp 3mp 4mp 5mp 6mp 8mp Lens]]></title><link><![CDATA[https://wintoplens.en.ec21.com/F1.0_F1.5_F1.6_F1.7_F1.8--11864153_11870075.html]]></link><description><![CDATA[lenses, front view lenses, DMS lenses, OMS lenses，dvr lenses，adas lenses，cctv lenses and other application lenses . All of their lenses are designed to meet the highest quality standards and ar]]></description><pubDate><![CDATA[20231125]]></pubDate></item>
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<title><![CDATA[5-25X56 Riflescope Hunting Scope]]></title><link><![CDATA[https://diyintel.en.ec21.com/5_25X56_Riflescope_Hunting_Scope--11863550_11863669.html]]></link><description><![CDATA[OEM ODM Optics 5-25X56 IR First Focal Plane
Red Illuminated Turrets Lock Reset LPVO Tactical FFP Scope.
OEM /ODM Scope and Reticle is offered, if you
have design, we can help you to produce same item]]></description><pubDate><![CDATA[20231107]]></pubDate></item>
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<title><![CDATA[2024 Free Sample/Inquiry for Drawings 3m-5A Mc 500mm F/8 Mto Mirror-Meniscus Soviet Lens Multilayer]]></title><link><![CDATA[https://oplens68.en.ec21.com/2024_Free_Sample_Inquiry_for--11609135_11837393.html]]></link><description><![CDATA[lens provides a smaller beam diameter to reduce beam waste and spherical aberration. When one meniscus is combined with another lens, the focal length is shortened and the numerical aperture of the s]]></description><pubDate><![CDATA[20230823]]></pubDate></item>
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<title><![CDATA[UV CTP Platesetter]]></title><link><![CDATA[https://superluck.en.ec21.com/UV_CTP_Platesetter--3435247_3435312.html]]></link><description><![CDATA[lens. McLantis dynamic autofocus can also avoid the fine dust from the surface of the photosensitive drum caused by blue spots, blue halo problem. Each spot is exposed in the best focal length exposu]]></description><pubDate><![CDATA[20190425]]></pubDate></item>
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<title><![CDATA[Stainless Steel Copper Genuine EZcad Raycus 30W Fiber Laser Marking Machine with Rotary]]></title><link><![CDATA[https://shenhuilaser.en.ec21.com/Stainless_Steel_Copper_Genuine_EZcad--3322212_3463861.html]]></link><description><![CDATA[Standard working area:110*110mm
Machine package dimension:88*73*122cm
Machine package gross weight:122KGS
Control software :Genuinne EZcad
Lens:Singapore imported
Marking speed :7000mm/s
Laser module]]></description><pubDate><![CDATA[20160123]]></pubDate></item>
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<title><![CDATA[Sobek Metallographic Tool-Makers Microscope]]></title><link><![CDATA[https://sobek.en.ec21.com/Sobek_Metallographic_Tool_Makers_Microscope--10029761_10670633.html]]></link><description><![CDATA[lens or NIKON&amp;#39;s latest CFI60 infinite high resolution optical lens. 
* Working distance of the standard high ratio can reach 1mm. 
*Different circumvolve nosepieces can be selected according to y]]></description><pubDate><![CDATA[20180228]]></pubDate></item>
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<title><![CDATA[DJI Inspire 1 PRO Black Edition Quadcopter with Zenmuse X5 4K Camera and 3-Axis Gimbal]]></title><link><![CDATA[https://hobbies.en.ec21.com/DJI_Inspire_1_PRO_Black--10217178_10217202.html]]></link><description><![CDATA[Standard Lens, Balancing Ring, Lens Hood, and microSD card: 1.2 lb / 526 g
Lens
Model
DJI MFT 15 mm f/1.7 ASPH
Mount
MFT (Micro Four Thirds)
Focal Length
15 mm 
35 mm Equivalent: 30 mm
Aperture Range]]></description><pubDate><![CDATA[20210204]]></pubDate></item>
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<title><![CDATA[Hidden Cameras]]></title><link><![CDATA[https://2817245108.en.ec21.com/Hidden_Cameras--9784748_9780062.html]]></link><description><![CDATA[Lens
Focal Length
3.6 mm
Operational
AGC
auto
White balance
auto
BLC
adjustable ON/OFF switch
Infrared LED
36pcs F5 LEDs
Effective IR Distance
35 M
Power supply
DC12&amp;plusmn;10% 
Environmental
Operati]]></description><pubDate><![CDATA[20151217]]></pubDate></item>
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<title><![CDATA[Ultra Laser Marking Machine]]></title><link><![CDATA[https://sltlgroup.en.ec21.com/Ultra_Laser_Marking_Machine--10738697_10738759.html]]></link><description><![CDATA[Standard Option Available Design Consideration Require Weight Consider Lens (F-63, F-80, F-130, F-330, F-380) - √ - Panel AC √ - 65 Kg Fume Extractor (without Filter) √ - 10 Kg Fume Extractor (]]></description><pubDate><![CDATA[20200624]]></pubDate></item>
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<title><![CDATA[Laser Collimator Lens M9X0.5  M8X0.5  M12.7X0.5]]></title><link><![CDATA[https://kelly258.en.ec21.com/Laser_Collimator_Lens_M9X0.5_M8X0.5--10844526_10844530.html]]></link><description><![CDATA[Collimator lens is one of the mainly products in Sunday. We have standard ones and also accept customer-made. Sunday has collimator lens with single aspheric, doublet lenses, triplet lenses.
Lenses:a]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[White Balance Lens]]></title><link><![CDATA[https://cbllens.en.ec21.com/White_Balance_Lens--7643974_7644001.html]]></link><description><![CDATA[Lens are delivered in three different sizes.
110mm (For the professional photographers) Advantage : This is proper for all focal length exchange lenses. For the wide angle lens cameras, this 110mm ve]]></description><pubDate><![CDATA[20130226]]></pubDate></item>
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<title><![CDATA[100 Lpi 0.6mm PET Lenticular Sheet 3D Plastic Film]]></title><link><![CDATA[https://lenticularprint.en.ec21.com/100_Lpi_0.6mm_PET_Lenticular--8570215_8570629.html]]></link><description><![CDATA[lens)
Approxiate leading time
30, 000 sheets(standard size) per day
Size availability
Length from 450mm to 1600mm, width from 510mm to 1020mm
Sheet tolerance
Length± 1mm* Width± 1mm 
Sheet squarene]]></description><pubDate><![CDATA[20190204]]></pubDate></item>
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<title><![CDATA[Meopta OPTIKA6 1-6x24 30mm Z-Plex FFP Riflescope New]]></title><link><![CDATA[https://344522525.en.ec21.com/Meopta_OPTIKA6_1_6x24_30mm--11306053_11306280.html]]></link><description><![CDATA[standard for the ultimate in durability and range of adjustment.
Optika 6 Hunting riflescopes feature SFP reticles in numerous configurations, including reticles specific for .223 and 6.5 Creedmoor. ]]></description><pubDate><![CDATA[20210414]]></pubDate></item>
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<title><![CDATA[LED 300W Zoom Imaging Light]]></title><link><![CDATA[https://yakay1688.en.ec21.com/LED_300W_Zoom_Imaging_Light--11909457_11911136.html]]></link><description><![CDATA[lenses inside, suitable for projecting pattern sheets and other shapes, as the size and sharpness of the beam can be fully adjusted throughout the entire beam angle range.It has the characteristics o]]></description><pubDate><![CDATA[20240312]]></pubDate></item>
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<title><![CDATA[Operating Microscope]]></title><link><![CDATA[https://vophthalmic.en.ec21.com/Operating_Microscope--4415938_4949618.html]]></link><description><![CDATA[Focal distances of the Objective Lens vary, depending on the application used i.e. for ENT/Dental use.
The Microscope used by the Neurosurgeon is generally similar to an ENT Operation Microscope
TECH]]></description><pubDate><![CDATA[20150524]]></pubDate></item>

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