I think the notion of FF = heavier lens may not be true

Started Nov 8, 2013 | Discussions thread
GossCTP Veteran Member • Posts: 4,755
Re: I think the notion of FF = heavier lens may not be true

nicholo89 wrote:

I know I might get some flak for this, but I was just curious about this debate so decided to check out the olympus site.

I know it's not FF, but if the logic is that bigger sensors mean bigger lenses, then it should also be concluded that aps-c lenses will be bigger/heavier than m43.

For a given f stop, the 4/3 lenses are smaller. The issue as I see it, is that people bought into a smaller format, and then wanted to get the same shallow DOF and lower noise that the larger formats did. So then Olympus created beasts like the 35-100 f/2. Over 3.5 lbs and $2500. Certainly a masterpiece of a lens, but in terms of DOF and noise, a 70-200 f/4 on FF would be equivalent and weigh in at just over a lb. Price for a Canon L 70-200 f/4 is running around a grand right now.

I think that f/4 is a sweet spot for lenses right now, regardless of format. Few lenses don't improve in some fashion until being stopped down at least that far. That's my main gripe with micro 4/3. They have super compact slow zooms and top dollar f/2.8 zooms. Higher quality, moderately sized and priced f/4 zooms just aren't there. And if you need a faster lens than f/4 most of the time, you are probably better off with a larger format - up to FF anyway.

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