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Contact SupplierOffers lensmeter (corona cross target) -
specifications
same as ie-08 but with pinshole cross + corona target
ã�â» type : ocular type external reading system
ã�â» vertex power range : ã�â± 25d step : 0.25d step up toã�â± 10d 0.50d step beyond ã�â± 10d
ã�â» cylindrical axis scale : 0 to 180ã�â° (1ã�â° step)
ã�â» prismatic power range : 5 in the view field (1 step)
ã�â» target : pinshole corona
ã�â» eyepiece focusing : + 3d to -5d
ã�â» diameter of lens accommodated : 30 to 80mm
ã�â» tilting angle : 30ã�â° to 90ã�â°
ã�â» light source : ac 220v 3w led.