photographic filter

(redirected from Filter ring)

photographic filter

A layer of glass, gelatine, or other material used to modify the spectrum of the incidental light.
References in periodicals archive ?
Wipe any old oil or dirt from the filter-mounting surface so the new filter will seal properly, and make sure the old oil filter ring gasket hasn't stuck to the engine.
Element Lub Oil Filter - Part No: Kit 3238204 - Qty- 30, 2 Kit Fuel Filter Ring - Kit 3238493 - Qty- 30 3 Kit Super Byp Filter Element - Kit 3879488, 4 Seal O Ring - 3010937 - 30 Item No: 01 - 02, Item No:02 Nos, Item No:03-01 No, Item No:04 - 02 Nos 01 Set
Pila has a wide selection of accessories and attachments such as the heavy duty nylon holsters, optional Xenon lamp or LED Emitter, headlight filter rings with Red, IR, or UV, and rechargeable Liion batteries with a shelf life of 10 years that can be recharged up to 500 times with consistent performance or the disposable Lithium CR 123A batteries.
Options and accessories for the flashlights include heavy-duty nylon holsters, Xenon lamp or LED Emitter, headlight filter rings with Red, IR or UV, rechargeable Li-ion batteries and disposable Lithium CR 123A batteries.
The neutral density filter rings are attached directly to the objective for easy objective exchange when brightness adjustment is necessary.
Phase 4 erosion and sediment control for the work associated with phase 2 & 3 including construction exits, silt fence, brush barriers, temporary stream crossings, sediment basins, stone check dams, rock filter dams, diversion ditches, riprap outlet protection, stone filter rings, surface roughening, disturbed area stabilizations, slope stabilization, monitoring, and all other work.