Forums. The derivation of the word may not be derived from Latin, not every -um word is!

The copyright belongs to the photographer until allocated to someone else formally.

I would say that asking a friend, say, to adjust your image is just them doing a job for you and the copyright is not affected.

If someone takes an image made available for viewing and modifies it, then if done without the photographer's permission that is probably theft. The copyright of the original wouldn't be affected and the modified version would be unlawful.

I'm not a lawyer, but that's how I'd view it as I made my way to the Solicitor's for further advice!

The wider the zoom range the more compromises there will be in the design. It will also limit maximum apertures, maybe close focusing ability, and make the lens more bulky.

It doesn't have to make it a bad lens, but something will have to give.

Life would be [i]interesting/i]....

Not for the faint hearted!

You are much better off using Photobucket, which is free and which also works!

If you do, you selct and copy the last of the four links they provide. Then just paste that link as it is into a forum message.

If you want the same feeling of joy when you look at the images you'll probably need another Limited lens.

That being the case, it's either the 15mm or 21mm and really there's nothing wrong with the f4 and f3.2 maximum apertures. Wide angle lenses are rarely used at open aperture anyway as it doesn't suit the sort of images they are best at.

You would do just as well though with the 12-24mm and that is also a much more versatile proposition.

Not the best title for the first post, but rather than a link why not just post the icicle images straight into the forum?

The Zeiss IR lenses it seems have an extended near IR transmission and a special single coating to enhance this, which is not the same as saying that you need lenses to be made this way to do IR photography.

Pentax used to make lenses with no glass elements, just Quartz, which extended their UV sensitivity. These sort of things have specialised scientific applications, although they are often picked up by general photographers for their special pictorial qualities.

Lens coatings are designed to remove UV light, thus making the use of UV filters a bit pointless.

There plenty of IR photographers out there who can testify by their results that in general lenses do not block IR light. Why would you put an IR focusing mark on a lens that blocked IR light?

That's not to say that some don't, although I don't see the point of making them do so, but I'd make pretty sure before totally ruining a perfectly good lens.