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Forum: Canon Lenses May 7, 2005, 11:46 PM
Replies: 20
Views: 3,752
Posted By PeterP
Or did you mean 'just' 1/2 the right....

Or did you mean 'just' 1/2 the right. :blah::blah::blah:

:cart: This could easily be compensated for by simply increasing the light output of the sun. :idea: DOH :homey: Never mind. :doh:

Peter.
Forum: Canon Lenses May 6, 2005, 3:18 PM
Replies: 20
Views: 3,752
Posted By PeterP
The Equivalence Factor :!:(except for the F4 part...

The Equivalence Factor :!:(except for the F4 part that ups to F5.6)

200mm(real)*1.4(tc)*1.6(crop) = 448mm(virtual).

IMHO: This thinking/converting everything to full-frame 35mm termshas got to...
Forum: Canon Lenses May 5, 2005, 2:49 PM
Replies: 20
Views: 3,752
Posted By PeterP
I think we need helium filled lenses that just...

I think we need helium filled lenses that just float along :!:Or Hydrogen filled ones for those more explosive situations :blah:.

Peter.
Forum: Canon Lenses May 5, 2005, 11:40 AM
Replies: 20
Views: 3,752
Posted By PeterP
:blah: The Canon lens brochure...

:blah:

The Canon lens brochure http://www.canon.ca/pdf/EF%20lenses.pdflists the 70-200 F4 as 650 grams, I think I converted it right to 1.43 pounds :blah:Though that brochure has messed up on the...
Forum: Canon Lenses May 5, 2005, 9:44 AM
Replies: 20
Views: 3,752
Posted By PeterP
Bah, the F2.8 at 2.5 pounds only weighs about a...

Bah, the F2.8 at 2.5 pounds only weighs about a pound more than the F4 (1.4 pounds). The F2.8IS comes in at 2.9 pounds.

Good to build up your biceps :blah::blah::blah:

Peter.
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