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Topics - Jens_T

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Lenses / Checking Real Focal Length - 70-300l
« on: September 03, 2013, 04:01:44 PM »
Hello,

today I bought the EF70-300L lense to replace my old Tamron 70-300VC. When playing around I noticed that the 300mm on the Canon seem to be a good bit wider than on my Tamron.

Is there a website that actually checks the "nominal" focal length? I remember Lensrentals sometimes comments on the the real focal length but they don't list the details.

Or is there a simple way to calculate it without too much hassle?

Thanks in advance
jens

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Lenses / Telezoom lens (70-300L vs 70-200 vs 100-400)- Advice
« on: May 19, 2013, 03:19:57 AM »
Hello,

I'd like to hear your opinion on what lens fits my needs best.
Recently I switched to FF and now it is time to upgrade my lenses as well.

What I do:
Mostly landscapes, tele for details and the occasional animal. While I am not hiking multiple days with my eqipment it should fit well into one backpack with other stuff and weight is an issue.
Sometimes people shots.

Current equipment
5D2, Canon 16-35, Tamron 24-70, 50/85mm primes and a Tamron 70-300VC

With the current cashback I was thinking about getting the new 70-200IS and a teleconverter for reach if I need it. On the other hand directly going for the 70-300 or 100-400 adds more reach at lower weight and cost.

The f2.8 of the 70-200 is nice to have but not an absolute must. A 70-200/f4 however would be too slow if I add a TC.
I understand that IQ from the 70-200/2.8 is best among these lenses and the -300 comes second.

Before I rent all these lenses for a weekend to test I'd be interested if you have advice or were in a similar situation.

Thank you
Jens

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