why not f/1.2 by Sony?

Started May 14, 2013 | Discussions thread
DtEW Senior Member • Posts: 2,711
Re: that's not a fast lens

perry rhodan wrote:

DtEW wrote:

tko wrote:

Don't know why people call this a fast lens.

F1.2 35MM = F1.8 50MM (there is a reason the OP picked those numbers.)

That's a cheap and light FF lens. $110 in the Canon mount. 4.6 oz.

So what about the NEX system turns a cheap Canon FF lens into an expensive and heavy Sony crop lens?

Why don't you ask that question back in m43-land?  There's it's merely not-possible (m43 would require 25mm f/0.9 to be equivalent to FF 50mm f/1.8) and for what can be done (Panny 25mm f/1.4) just very expensive.  So I don't think an m43er is one to talk.

Also, EF-to-E Speed Booster manages that pretty easily at a total cost of $710.  With autofocus and electronic control.  Or about half that cost with a Lens Turbo if you can manual focus with with focus peaking.

If this set can be done for 710 why would sony NOT be capable of doing it in one lens for less?


I think the better question is, "why should Sony want to build it in one lens for cheaper?"

If your answer is anywhere close to "so I'd want to buy it," you need to ask yourself how many of "you" are out there, realistically, to spread out the R&D costs and for economies of scale to apply for an attractive profit.

Even if Sony knows that "you" deeply hunger for this lens... their intent wouldn't be to build it for less... but rather to milk as much out of the limited numbers of "you" as they can.  And that's a fine balance between making you angry for how much you're paying... but also still paying.

By that standard, IMO Sony hit it out-of-the-park with the SEL24F18 and the SEL35F18.  The SEL1018 missed the mark by about $100 too high, and the SEL50F18 missed it by $50 too low.

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