Why is an OM-D better than a Pentax K-5?

Started May 9, 2012 | Discussions thread
Henry Richardson Forum Pro • Posts: 15,661
Trying to do close to equivalent comparisons

PerL wrote:

But since you know about the Pentax pancakes and other small primes, dont you think it is a bit miseading to pick a Sigma 28 1.8, a huge bulky FF lens, as a basis for comparision?

Okay, you choose the Pentax lens that is equivalent 40mm f1.7. Which lens would that be? The Sigma 28mm f1.8 is equivalent 42mm f1.8 so that is as close as I could find. If you have a Pentax AF 27mm f1.7 you want to show me then please do. The Pentax 31mm f1.8 is the closest, I think, with an equivalent FL of about 47mm, but it is MF, not AF, so not a good comparison. I am trying to do close to equivalent comparisons.

I also showed the Olympus 9-18mm and the Sigma 10-20mm since they are fairly close in equivalent FLs. It is meaningless, IMO, for you to come up with cherry picked MF lenses that are not close to equivalent.

Here is a list of m4/3 lenses. Go through them and for each one tell me what the closest equivalent Pentax lens is and we can check out how the size compares:


Here are the Pentax lenses that I am aware of:


Here is another comparison (if you have a different close to equivalent lens you want to use then tell me):


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Henry Richardson

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