Thread: F1.2 pro glass
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Old 28th October 2018
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Re: F1.2 pro glass

Originally Posted by WPJ View Post
I have seen a few used 25mm examples up for sale, so wondering why?

Although I do not own any of those new Olympus f1.2 lenses, I did compare a few facts with the 25mm f1.2 PRO and one that have onwed for the past 2 years - Sigma 30mm f1.4

Both are excellent optically. The Olympus lens has PRO build quality and is weather sealed; the Sigma though plastic, has a really solid quality feel to it. It is not weather sealed but a buyer has got to ask himself/herself how necessary this is to their photography hobby.

As these are marketed for their large apertures, look at the relative Depth of Fields. The Olympus has a DoF of 24cm at a subject distance of 2 metres whereas the Sigma's DoF is 28cm at an equivalent subject distance of 2.4 metres. Not a big difference I would have thought.

At Wex the Olympus Zuiko 25mm f1.2 PRO is now selling for 899 wheres the Sigma 30mm f1.4 DC DN is marked at 269. One has to ask oneself if he/she is prepared to pay more than 3 times the price for very slight improvement.
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