matt_oulman Posted March 4, 2001 Share Posted March 4, 2001 This may sound stupid to some of you, but does anyone know what the filter thread is for this lens?I measured what I thought was 40mm, so natch - I think 40.5 mm right?No.A 40.5 seems to want to be the right size, but it will not thread on.So I assume (there I go again!) that it must be 39mm, and purchase my filter in 39mm.Wrong again.But I have never seen a 40mm filter. Does anyone know for a fact what it is? Any 240 Dagor owners?...... Link to comment Share on other sites More sharing options...
hans_berkhout Posted March 4, 2001 Share Posted March 4, 2001 I faced the same frustration years ago. Finally had a step-up ring custom-made by machinist, to 55 mm. My wide angle took an over the counter step-up to 55 mm and my 360 Artar takes 55 mm. So the cost for the custom made item is offset by the economics of one filtersize for all. Link to comment Share on other sites More sharing options...
s.k. grimes inc Posted March 4, 2001 Share Posted March 4, 2001 These American made lenses do not take any ordinary metric size filters. Its best to have an adpater made (either slip over or screw in) to convert the lens to a standard Metric size, probably 49mm in this case. See: http://www.skgrimes.com/slipon/index.htm for info about the kind I make. Link to comment Share on other sites More sharing options...
wilhelm Posted March 4, 2001 Share Posted March 4, 2001 Are you sure that it's an 8.5, and not an 8.25 lens? Anyhow, mine takes an 1 11/16" slip-on adapter for series VI. Link to comment Share on other sites More sharing options...
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