I don't need a telephoto..?

adrianday said:
Ivan was suggesting that a 'zoom-factor' would be more meaningful. It won't. If we were to assume a 50mm lens provides 1x on (34mm) full-frame, it would be 1.5x on a Nikon APSC, 1.6x on a Canon and 2x on a m4/3 camera. The point I was trying to make is that the magnification factor is camera dependent - the focal length remains unchanged.

In summary, I concur. Ivan's suggested 'improvement' would be impracticable.[/QUOTE]


bloody hell it's Mr Spock:eek:

Beam me up Scotty.

Merc
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DemiLion said:
Yup I do, and in that regard you are absolutely right.

BTW I owe you a thank you! I've just found out that I can use my Sig 10-20 on a 1D, although the vignetting is pretty fearsome! :)
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You COULD fit it to the EOS-3 and it'll work as it should , clear the mirror and not break anything, but it'll look like you've shot through a porthole :lol:
 
paulminus273 said:
Until everyone uses the same format there will be a relevance to crop facture. 50mm dx will look similar to 75 mm on ff and on mf even longer I don’t know the correct facture but I would guess 120mm
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A 50mm lens on medium format (6x6cm) cameras is probably equivalent to around a 30mm full frame lens (or 20 on Noinker crop, 19mm on Canon 1.6 crop)
 
yea if i put a sigma 30mm 1.4 on my 5D it looks kinda cool, like the 70's films all rounded edges,


that's young talk ya know

Merc getting down and with it, Brian Harvey finger salute
 
those of us who have used 35mm film should not feel superior in any way, i shoot crap then and i shoot crap now.

Merc
 
And just to add something to the OP's question - a longer length zoom can be quite useful when shooting landscapes, it allows you to isolate a particular bit of the field of view, and can also be used to distort perspectives for example in bringing layers of mountains into a closer stack...

However, If you haven't felt the need for one yet, why rush out and spend money on kit, spend it on getting out and shooting more instead :shrug:
 
Depends what you're looking to photograph, but I bought a 55-200mm vr and hardly use it. Wish I'd have saved up for a decent wide angle!!!
 
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