Flat Lens Disc with 50mm hole to attach enlarging lenses with 50mm mounting thread to the appropriate lens mounts on certain Omega D, E, and F series enlargers. 
	
		
			
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						For use with the lens mounts for the following:  
					
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							Omega D-II, D-2, D-3, and D-4 4x5 enlargers
 
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							Omega E-5, E-6, and Super Chromega E Dichroic 5x7 enlargers    
 
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							Omega F and Super Chromega F Dichroic 8x10 enlargers
 
					 
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	Note: These lens discs are not threaded - a 50mm retaining ring or lens flange is required to attach the lens to the disc. If you require a retaining ring or lens flange for your lens, it may be purchased separately. 
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