extension ring
extension tube

Decker's extension rang twelve times before she finally gave up.

There was a moment of silence, then the sound of the extension ringing.

It's possible, however, to bring the box flush with the surface by installing an extension ring in the box.

Does that happen when you're say, your extension rings, and somebody rings and in fact nothing happens.

Pause; sounds of an extension ringing.

Then her personal extension rang.

He heard the extension ring.

So his promise to support an extension rings hollow - it's not exactly a lie, but it's not the full truth, either.

The interchangeable backs allowed to insert the extension rings to compensate the difference in focal distance among the various lenses.

An extension tube - also called extension ring - is used with interchangeable lenses to focus closer, useful in macro photography.

This enabled improved exposure accuracy, especially in close-up macro photography using bellows or extension rings, and in telephotography with long lenses.

Krull heard a click and then the mechanical sound of the extension ringing in the Senior Staff Duty Officer's overnight "Ready Room."

For current Kenko teleconverters and lens extension rings see List of Nikon compatible lenses with integrated autofocus-motor.

Elcan 90mm f/1, apparently without helical, focused by extension rings See this page showing the 90mm f/1 lens.

I'm shaking my head at all this conspiracy-theory stuff and just starting to wonder whether the sensation at the back of my eyes is the start of a headache or not when the library extension rings.

The extension rang unanswered, and so he left the Fettes Avenue switchboard number, and his own, with Foreign Office security, asking that Allingham be contacted and told to call him.

Valoy II normally equipped with Focotar 50mm f1:4.5 code name DOOCQ, and used with extension ring DOORX.

The experiment is housed in a Hitchhiker (HH/GAS) canister with canister extension ring and equipped with a Hitchhiker Motorized Door Assembly (HMDA).

To get to the top of things, use all the extension tubes.

An extension tube where the distance can be changed continuously is called bellows.

He brought the extension tubes out and began plugging them into the kid's valves.

The best type of plunger is a funnel-type one with a flexible extension tube.

Lens extension tubes allow close focus in macro photography.

Other items like lens adapters may unintentionally have an effect similar to an extension tube.

In this case a sight extension tube, or bloop tube can be used.

- A "reverse adapter X", that can be mounted with an extension tube.

To paint horizontal surfaces like ceilings and floors, use a curved extension tube made for the purpose.

Using what are called extension tubes.

When used with extension tubes or bellows, a highly versatile, true macro (greater than life size) system can be assembled.

Check-A-Spare is a special remote-filler extension tube for your spare tire.

Close-up photography can be done using the standard 50 mm lens which comes with the camera, providing extension tubes or bellows are used.

An old manual sir camera and a cheap set of extension tubes is all that is needed to get one started in this absorbing hobby.

The 50mm and 100mm were marketed with extension tubes that allowed life-size reproduction.

For one, they usually focus to 1:2, or half life-size, without the need for any extension tubes or supplementary lenses.

Steam round them all in no time, using the Steamatic's extension tubes to reach into every nook and cranny.

Extension tubes which are relatively cheap, usually come in sets of three and are fitted between the camera body and the lens.

A small bus with an extension tube like a stubby elephant trunk was now nuzzling affectionately up against the spacecraft.

Use the Steamatic without the extension tubes for maximum manoeuvrability in all those confined areas which can be so difficult to clean really properly.

An extension tube - also called extension ring - is used with interchangeable lenses to focus closer, useful in macro photography.

For other lens types, an adapter would act as an extension tube, causing the lens to lose the ability to focus to infinity.

Using a Soviet-Russian 35 mm camera and handmade extension tubes he then experimented in macro photography.

Lenses classically focus closer than infinity by moving all optical elements farther from the film or sensor; an extension tube simply imposes this movement.

More expensive extension tubes contain electrical contacts allowing the user to use autofocus and electronically control the aperture of the attached lens.