What is your idea of "the lens gap?"

Started Feb 1, 2014 | Polls thread
Kim Letkeman
Kim Letkeman Forum Pro • Posts: 33,428
Re: what really bugs me ...

Sean Nelson wrote:

Kim Letkeman wrote:

... is that Tamron and Sigma have excellent constant 2.8 zooms with OIS that really aren't very big. On a Nikon, these are 28-75, so is it too much to ask to get a design from one of them for a 12-35 2.8 based on the same designs? Both Sigma and Tamron make wicked sharp versions of these lenses ... and they are quite cheap ...

Unfortunately, they go where the sales are, and Canikon remains more fertile ground ...

The real reason they build lenses for Canikon is that both share the same sensor size and so they can amortize the design and tooling costs for a single lens over larger market - a market that includes the potential to sell the same lenses to other APS-C customers such as Pentax, Sony, etc. as well.

Yes, I am aware that the shared image circle means that nothing important has to change other than the mount to maintain an appropriate distance to the sensor.

M43 has a unique sensor size, and that hurts it in the quest for native third party lenses.

Yes, but since Sigma already has APS-C Sony E mount lenses that are remounted for m4/3 at a slight size disadvantage, I see no reason why Tamron or Sigma couldn't do the same with their 2.8 small zooms.

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