Hi ,my manual focus on my atn 258 has seized and is now only focusing at 3 to 4 yards /metres any solutions is it possible to fit a doubler on the front of the sight say a 4x mag would this work and where would i get one i live in uk are there any good repair dealers thanks
A seized focus control should be able to be repaired by most optics repairers. It is a simple job and doesn't require the removal of the image intensifier. They should be made aware though that the image intensifer needs to be opened in a "cleanroom" envrionment and should be purged with nitrogen once repair is completed
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will try to contact a local optics firm thanks for advice
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