双目间接检眼镜卤素灯泡光源最亮(亮度可调)寿命最长(100小时以上)弥散滤片光斑最大更可扩展视野照明区域便于观察视网膜周边区域。汇聚控制照明光束和视路可同步汇聚，能够检查小至2mm瞳孔病人瞳距控制49mm到74mm–同类产品中瞳距控制范围最大，更容易获得立体影像精密光学系统由先进的光学影像系统辅助制造，并严格密封，保护镜片不会受损或污染。镜片视角调控可调角度最大紫外/红外过滤柔软稳定的头箍皮革衬垫的头箍采用低位设计，佩戴更加舒适、稳定，便于观察SoftTiltTM位置调节:检眼镜头可前后移动到合适位置并加以固定，避免损坏使用者所佩戴的眼镜等BIOCompetitiveMatrix-June1999Heine180Heine150(K)Heine150(S)KeelerVantageKeelerSpectraWA125AperturesSmall/Med/LargeSmall/LargeSmall/LargeSmall/Med/LargeSmall/Med/LargeSmall/Med/LargeControlsIndexedStopsDial“clicks”lever“clicksRecessedConvergence1control,1.2-8mm2controls,2-8mm2controls2-8mm2controls,1.5-8mm3mm-8mm1control,2-8mmFiltersDiffuser,Blue,Yellow,Red-FreeRed-FreeRed-FreeDiffuser,Blue,Yellow,Red-FreeDiffuser,Yellow,Red-FreeYelloworBlue,Red-Free,opt.diffuserHeadBandSwooped2pads(optionalthird)Overbandcontrolwith“flip-upandlock”opticsSwooped2Pads(optionalthird)Overbandcontrolwith“flip-upandlock”optics---Ratchetedcontrols3padsFlipupopticsOptionalheadbandSwoopedRatchetedcontrols3padsSoftTiltPark/RestFlipupopticsLampLife30hours30hours100hoursPD54-74mm48-74mm48-74mm52-76mm54-76mm48-75mmPowerSourceDeskmountHeadmountw/rheostatPortableWallmountDeskmountHeadmountw/rheostatPortableWallmountPortableWall/DeskmountPortablePortableWall/DeskMountPortableWarranty1yrparts/lifetimemfgrdefectsSchool-unconditional1yrparts/lifetimemfgrdefectsSchool-unconditional1yrparts/lifetimemfgrdefectsSchool-unconditional3yearSchool-unconditional3yearSchool-unconditional10yearinstrument5yearheadbandWeight535.5grams90grams(optics)510.5grams519gramsListPrice$1638$1362$1151$1675$895$995withheadband$1395-Base&-D$1454-Y/-DYLook&FeelMattalloy-likefinishSolidfeel/soundProtrudingleversRuggedizedcordHeavyonheadOpticcoverLimitedinwardopticstiltPlasticlookingHollowsoundingProtrudingleversThinnercordLightweightPlasticlookingSolidsoundRecessedleversRuggedizedcordLightweightComments+-HeineisastrongcompetitorwhoinnovatedseveralimportantBIOfeaturesincludingconvergencecontrol,sealedoptics,overbandlocking,andbuiltinteachingmirrors.Theyhave3headbandand2spectaclemountedandaavideoversion(Omega2C).Heinehasawelleducatedsalesforceandtheytrytoplayupthe“German”opticsTheHeineinstrumentisheavyandnotascomfortableasitscompetitors.Thepriceishigh,especiallywhenyouaddintheaccessories.Theirwarrantyisminimalandtheirserviceisslow.KeelerwasoneofthefirstintheBIOmarket,arethebestknown,andenjoyalargeinstalledbase.Theymake3headband,1spectaclemountand1videoBIO.Theirproductsarethelightestweightonthemarket.Productislessdurableandlowerqualitythanitscompetitors-eventheirproductliteratureandwebsitelook“cheap”.WelchAllynoffersaqualityproductwiththelongestlamplifeandwarranty,andhasthebestservicereputation.“New”tothemarket-needtoovercomereputationofmedicalvs.eyecarecompany.
