Re: Pentax releases inexpensive DA 35mm 1:2.4 prime

Started Sep 9, 2010 | Discussions thread
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Jon Rty
Veteran MemberPosts: 3,838
Re: Pentax releases inexpensive DA 35mm 1:2.4 prime
In reply to CFynn, Sep 27, 2010

That's not necessarily true anymore. For instance the 50mm F/1.4 AF-S has the best, most even stopped down performance of all 50mms DPreview has tested.

CFynn wrote:

Skywalker23 wrote:

This is madness.

f/2.4 normal prime? I thought one of the main reasons we bought primes is because they are a lot faster (larger aperture) than zoom lenses, like f/1.8 and f/1.4. You can buy a ton of f/2.8 zooms which isn't far off from f/2.4.

Another main reason is image quality.

And normal lenses are supposedly the easiest lens design to make. Nikon and Sony both have inexpensive 35mm f/1.8 lenses for their APS-C cameras. If Pentax hopes to compete why did they make their equivalent so much slower but the same price?

The sharpest most distortion free prime lenses often have a relatively moderate maximum aperture. A faster lens is only "better" if you actually need to use a lens at f/1.4 or f/1.8.

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