Argus Camera ARGUS A2 manual Shutter Cleaning The Lens, Shutter Mechanism

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The Shutter

Cleaning The Lens

The objective lens of the Argus is very easy to clean. But be careful not to scratch or damage the lens by using improper cleaning techniques. At a minimum, use only the materials found in a lens cleaning kit purchased from a camera store.

The Lens Assembly, which has already been removed, can be further disassembled. The rear lens of the assembly is held on by a screwed-on retainer. If you need to clean the inside surfaces of these two lenses, unscrew the retainer. Be careful to replace the rear lens with the “right-side up”, otherwise your camera may suffer from spherical aberration.

The Argus objective lens is a triplet lens system and is composed of three separate lenses. The lens that is closest to the objective and furthest from the film is the one that gets the dirtiest. For the purpose of discussion, this lens will be called the Outside Lens. The lens that is visible when you remove the Rear Cover and look inside the Neck will be called the Inside Lens. The third lens, which is hidden from the camera user, will be called the Middle Lens. Light, traveling from the subject of a photograph to the film, first passes through the Outside Lens, then the Middle Lens, then the Inside Lens before reaching the negative.

First clean the exposed surface of the Outside Lens and the exposed lens surface of the Inside Lens.

If there is visible dirt between the lenses, unscrew the Lens Assembly. This allows you access to one surface of the Middle Lens. To access the other surface of the Inside Lens, set the aperture to f/4.5, set the shutter speed to T(ime), and fire the trigger. The shutter blades should open and expose most of the surface of the Inner Lens for cleaning. Most lens cleaning should stop here.

In the pre-war Argus cameras there is an opportunity to dismantle the Lens Assembly to access the other surfaces of the Outside and Middle Lenses. Simply unscrew the metal retainer that holds the Middle Lens. The Middle Lens should then fall out giving you access to all of the lens surfaces.

But beware! The Middle lens is not reversible! If you replace it the wrong way around, it will cause lens aberrations. Intentionally distorting photographs this way is discussed in Chapter 8.

The Shutter Mechanism

The Ilex Precise shutter is relatively simple, and much easier to service than a more expensive shutter, such as a Compur. Therefore, the author takes certain “liberties” in working on an Ilex Precise mechanism that would not be tolerated on a more complex shutter. If you do not feel comfortable with these liberties, do not read this section.

Before discussing the specifics of the shutter mechanism, the author would like to discuss shutters.

Disassembly of the shutter requires certain tools, so make sure to have them handy. Have a good set of jewelry screwdrivers, a pair of tweezers, and a small container to hold the tiny screws. Wear some sort of eye protection to prevent loose springs from damaging your eyes.

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Contents Page Page Preface Page Table of Contents Why the Argus A/A2 Camera? May History Page Page Page October Models And Variations Argus a Lens Speed f/4.5Lens Speed f/4.5 Aperture Settings f/4.5, 5.6, 8 Argus AFArgus B Extinction Meter/Calculator No Flash Synch Tubes NoPre-War Argus A2B Argus A2F Argus AA Lens Speed f/6.3Post-War Argus A2B Years Manufactured ~1945Argus FA March Aperture Indicator A, AF, A2Bs, & A2F Parts Of The CameraShutter Plunger pre-war A2B & A2F Sprocket Wheels Winding Shaft User’s Guide Loading The CameraTaking Pictures Page Using The Sunny/16 Rule Rewinding Finished FilmUsing The Light Meter/Exposure Calculator A2B and A2F ISOShutter Speed StopFilm Speed Read Shutter Speed from the block Stop Settings And Spacing Holding The Camera Upside DownAccessories Lens AttachmentsLens Shade Portrait Attachment No Copying Attachment NoYellow Filter Lens CapLens Accessory Case Lens Accessory KitLens Accessory Kit for Argus AF Red FilterBlack Leather Zipper Case Soft Suede Zipper BagDe Luxe Black Leather Case Carrying Case Safety Screw Other AccessoriesLight Meter Mechanical Self-Timer Vintage Book On PhotographyCable Release Small TripodNew Lens Cap A Lens Cap in various stages of productionHand-Held Or Accessory-Shoe Mounted Rangefinder Flash GunsRestoration And Repair Camera BodyFilm Transport Mechanism Film Advance KnobView Finder Counter DialSprocket Wheels Back CoverExtinction Meter Flash MechanismLight-Proof Ribbon NeckNeck You Can’t Fix Two-Position Focus Neck Variable Focus NeckSeparating The Neck From The Shutter Homemade adjustable shutter removal tool Shutter Cleaning The Lens Shutter MechanismPre-War Shutter Pre-war Shutter Face Plates Pre-war Shutter with the Face Plate removed Post-War Shutter Post-war Shutter with the Face Plate removed Argus AA Shutter Fixing The Iris And Other RepairsFinding Light Leaks Page Tricks Using Ground Glass Tricks And ModificationsTaking Close-Up Pictures Double ExposuresIntentional Lens Aberrations Modifications Most Common ModificationModifying Old Filters Pinhole Argus Optimum hole specifications for various shutter positions Special Effects For The Proletariat Page Closer Two-Position Focus Adding a Cold Accessory Shoe Finding An Argus In Good Shape 60 Second Camera EvaluationFinding An Argus Online For More Information Appendix a Argus a Patent Page Page Page Page Appendix B Bibliography and References AdvertisementsOther
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