mega zoom

[ukbob]

Any ideas how many xx optical zoom this lens might have, and how much it would cost?

[/quote]

[srider]

hmm, looks like a 500mm or 600mm. The x rating is focal length/35, so 14x or 17x. Plus a 1.3 crop if it's a 1D.

[simpo two]

So it's not actually a zoom anything, but a prime telephoto. Re cost, several £K I think.

[ukbob]

I wonder how many k

[srider]

ukbob said:

I wonder how many k

£5.5k for the 500, £7.5k for the 600

[rico]

So...

zoom lens = adjustable...

telephonto = one setting??

[ehasler]

srider said:

ukbob said: I wonder how many k £5.5k for the 500, £7.5k for the 600

Depends where you shop - WarehouseExpress do the 500mm for £4700 and the 600mm is a mere snip at £6k.

There you go - just saved you £1.5k!

Also, on 35mm, I always thought that 50mm was "real size", so wouldn't a 500mm lens be the equivalent of a 10x zoom?

>> Edited by ehasler on Saturday 2nd October 22:22

[ehasler]

rico said:

So... zoom lens = adjustable... telephonto = one setting??

Zoom is a lens that has a range of focal lengths (e.g., 70-200mm), a fixed lens is called a prime, and a telephoto lens is simply a long lens (usually more than 70mm in 35mm world).

[Bacardi]

rico said:

zoom lens = adjustable... telephonto = one setting??

Hi Andy, yes a zoom lens is adjustable between focal lengths i.e. 17-40mm, 28-70mm, 28-300mm. 100-400mm etc. A prime lens is a fixed focal length 14mm, 50mm, 200mm etc. Telephoto usual refers to a long lens or longer than a standard or normal field of view. For full frame 35mm the stadard lens is 50mm so anything above would be telephoto. Canon class everything above 300mm 2.8 as super telephoto.
Must go for that sometime, cheers.

[rico]

thanks guys, made it clear and simple. I'm getting closer to a DSlr... those b@stards at Jessops keep showing off their special offers and their shop is on my walk to uni! ggrrr

Bacardi said:

Must go for that sometime, cheers.

Oh too right mate. I owe you for the help you gave me choosing a Powerbook... and ive had it like 18months now! I'll drop you an email now

[simpo two]

rico said:

thanks guys, made it clear and simple. I'm getting closer to a DSlr...

If you can justify it, it has to be done Then you can measure your lenses in pukka mm and not X's like the compact folk I don't think there's much the Photography folk here don't know.





www.kenrockwell.com/nikon/d70.htm

Oops, sorry!

[srider]

ehasler said:

srider said: ukbob said: I wonder how many k £5.5k for the 500, £7.5k for the 600 Depends where you shop - WarehouseExpress do the 500mm for £4700 and the 600mm is a mere snip at £6k. There you go - just saved you £1.5k! Also, on 35mm, I always thought that 50mm was "real size", so wouldn't a 500mm lens be the equivalent of a 10x zoom? >> Edited by ehasler on Saturday 2nd October 22:22

Actually, I intentionally quoted list price for added shock value

I don't know why 35mm is used as the x rating, but it is. It's a nonsense scheme invented by marketing people for consumer cameras.

[simpo two]

srider said:

I don't know why 35mm is used as the x rating, but it is. It's a nonsense scheme invented by marketing people for consumer cameras.

I didn't know it was. I thought it just meant the zoom ratio, ie 70-210mm is a 3x zoom. My little Olympus is 5.8-17.4mm, which is also 3x!

But you could also use '3x' to mean 3x lifesize, which is well into macro. That's why IMHO it's always best to quote focal length in mm, so you know exactly where you are.

[srider]

simpo two said:

srider said: I don't know why 35mm is used as the x rating, but it is. It's a nonsense scheme invented by marketing people for consumer cameras. I didn't know it was. I thought it just meant the zoom ratio, ie 70-210mm is a 3x zoom. My little Olympus is 5.8-17.4mm, which is also 3x! But you could also use '3x' to mean 3x lifesize, which is well into macro. That's why IMHO it's always best to quote focal length in mm, so you know exactly where you are.

What is the 35mm equiv of your Olympus zoom?

[simpo two]

srider said:

What is the 35mm equiv of your Olympus zoom?

35-105mm. It's not remarkable by compact standards but if the going gets tough I can always get the DSLR howitzer out
One thing I'm very pleased with is the macro performance: it was already very good but the Mju410 has a 'Super Macro' setting in the menu that gets the field of view down to about 25mm wide!! No idea how it works though.