The two key telescope properties are 1.45 0.5 m primary mirror for each telescope 1.0 0.5 m focal plane array on which light from both telescopes is projected.

Sami grew concerned.

I worry about him.

If one considers the field of view and angle of view, the smaller the image is, the shorter the focal length should be, as to keep the same field of view.

Sami worries me.

Why does Tom worry so much?

He is concerned about his father's illness.

Sami was disturbed enough by this.

That was a matter of concern to the Group.

And there was a sincere concern there.

Truman's first concern was for Mrs. Roosevelt.

This is a matter of serious concern for WFP.

There nonetheless remain concerns to be addressed.

This is a legitimate concern for all of us.

The situation in Darfur remains of gravest concern.

Most delegations had genuine fears and concerns.

Many protracted situations remain, with little prospect of early solutions.

The nuclear programme of the Islamic Republic of Iran remained a source of concern.

But I am seriously concerned at the situation in Zimbabwe.

Deep concern was expressed over the serious problem of trafficking in human beings.

I want to conclude with a worry I have a worry and with a wonderful story.

People everywhere live in growing anxiety and fear.

Analysts and investors have at least two related concerns.

The importation of explosives and heavy weapons is of serious concern.

The administration of justice continues to be an issue of deep concern.

Subsequently, he was diagnosed with anxiety and major depression.

The situation in the occupied Syrian territory was also a matter of concern.

The issue of the treatment of small economies was of particular concern to Jamaica.

Extremely wide apertures (such as f 1.2 or f 1.4) are more rarely used, because at these apertures the depth of field is very shallow, which makes focusing more difficult and slows down autofocus.

As the father of five sons, I worry about who they're going to be using as role models.

Considering that space debris is an issue of concern to all nations,

Investors also worried the republic's economic transformation was far from complete.

That freedom of movement has remained delicate is a source of concern that requires urgent attention.

The ongoing stalemate in the Conference on Disarmament is a matter of increasing concern.

The collimator lens has the lower focal length and is placed closer to the light source, and the collector lens, which focuses the light into the triplet lens, is placed after the projection image (an active matrix LCD panel in LCD projectors).

Of 442 respondents, 11 answered, Yes, I worry a lot, 36 replied, Yes, I worry a little, and 52 said, No, I don't worry at all.

The number of impunity cases is a concern for journalists and rights groups.

That is a favourite method of bypassing embargoes and a source of particular concern for the Security Council.

The outbreak of bubonic plague in 1894 became a concern to the Hong Kong Government.

Many worried as they saw this answer as support for the army.

Security is a major concern while concerning the mobile computing standards on the fleet.

The internal political situation in Kosovo remains a real concern.

The number of accused still at large, however, is cause for concern.

The human rights of women and children, although improved, remain a matter of great concern.

Press coverage of the crisis in Côte d'Ivoire continues to be of concern.