Karlumix Posted September 29, 2013 Share #1 Â Posted September 29, 2013 Advertisement (gone after registration) How is the filter ring inside the lens barrel retained? Mine is loose and slides around causing vignetting. I have tried tightening the 3 set screws, but they don't engage the barrel of the ring. Link to post Share on other sites More sharing options...
Advertisement Posted September 29, 2013 Posted September 29, 2013 Hi Karlumix, Take a look here Loose filter slot in 400mm Telyt. I'm sure you'll find what you were looking for!
a.noctilux Posted September 29, 2013 Share #2 Â Posted September 29, 2013 Hello, Do you mean Telyt 6.8/400 ? Filter is Serie VII ? Â The filter is retained by the spring force. Is it loose (I mean the spring) ? Â Arnaud Link to post Share on other sites More sharing options...
farnz Posted September 29, 2013 Share #3 Â Posted September 29, 2013 If it's the same as my 280/4 APO-Telyt then the filter is inserted into a plastic holder that is inserted into a slot in the barrel. The size of filter is important obviously. Â Pete. Link to post Share on other sites More sharing options...
Karlumix Posted October 1, 2013 Author Share #4 Â Posted October 1, 2013 No, the ring I am asking about is an aluminum piece in the lens barrel behind the lens elements, covered by a spring loaded slide that uncovers the drop-in filter slot. Link to post Share on other sites More sharing options...
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