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Archive 2008 · Thinking Out Loud (Lenses)

  
 
XsigmaSD
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p.1 #1 · Thinking Out Loud (Lenses)


I've always thought these were cool.
http://www.luminous-landscape.com/reviews/lenses/wa-tri-elmar.shtml
Its an article about the Leica Tri Elmar 16-21-28 for those that don't want to read it.
They make a 28-35-50 f4 version also.

Seems like it would make a cool travel lens if it could be packaged small enough. The idea of three primes in a single barrel is intriguing to me. Maybe modern zooms have made this concept obsolete for the masses? Has anyone else had these thoughts, or have I had one glass of wine too many tonight?

Sorry I couldn't come up with a topic that included Nikon tonight...



Jul 02, 2008 at 11:12 PM
Ariel Bravy
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p.1 #2 · Thinking Out Loud (Lenses)


Wait... why make this type of lens instead of a traditional continuous zoom lens?


Jul 02, 2008 at 11:39 PM
XsigmaSD
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p.1 #3 · Thinking Out Loud (Lenses)


Ariel Bravy wrote:
Wait... why make this type of lens instead of a traditional continuous zoom lens?


Its made for the Leica M series range finders.
Theoretically the designers could use fewer moving parts/elements so the lens could be smaller and sharper than an equal length continuous zoom.



Jul 02, 2008 at 11:49 PM
digitalbug30d
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p.1 #4 · Thinking Out Loud (Lenses)


well I had an Idea about such a lens...why not make a 16-24-35 a perfect landscape lens for DSLRs think about it less lens changing less likely for dust and if this lens was sharp as the 3 prime FLs this would rock maybe Canon could let someone else make it.
TOKINA comes to mind...



Jul 03, 2008 at 12:21 AM
mh2000
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p.1 #5 · Thinking Out Loud (Lenses)


well... made for rangefinder cameras that have no feedback for FL... makes sense there, but for an SLR? don't think so...

Canon concentrates on bargain lenses and fast lenses, not boring spec'ed but absolutely superb lenses like Leica focuses on.



Jul 03, 2008 at 02:25 AM
Xavier Rival
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p.1 #6 · Thinking Out Loud (Lenses)


I think this kind of lens makes a lot of sense in the case of a rangefinder system, for the reason mh2000 gave, and also probably for size reason (with fewer moving parts and fewer constraints, you can get a smaller lens, which the rangefinder crowd cares about... not the SLR crowd who was able to buy a 2lbs 24-70/2.8 ).


Jul 03, 2008 at 04:41 AM
Ariel Bravy
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p.1 #7 · Thinking Out Loud (Lenses)


Ohhh yeahhhh, doesn't a range finder have several discrete markings in the viewfinder designating the respective FOV given a particular focal length?

It's not as simple as looking through the viewfinder of an SLR where you're actually seeing the image through the lens.



Jul 03, 2008 at 05:19 AM
Geert Koning
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p.1 #8 · Thinking Out Loud (Lenses)


As is stated in the review the 1-18-21 is a zoom.


"unlike the earlier Tri-Elmar, was a true zoom and could be used at any focal length, not just at the 16-18-21mm settings"



Jul 03, 2008 at 06:09 AM
PetKal
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p.1 #9 · Thinking Out Loud (Lenses)


OK, that does it, I shall start a poll presently: "Who is switching to Leica ?"


Jul 03, 2008 at 12:23 PM
dasrocket
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p.1 #10 · Thinking Out Loud (Lenses)


Ariel's got it; the reason the M lenses have fixed FLs is because the LEICAS automatically bring up these framelines on the viewfinders to indicate FOV. There are only certain framelines in the camera, so if it was a full zoom the VF would not show what the lens sees.
these were the coolest thing fo RFs since sliced bread..but with the pricetag of a 300L 2.8, well...they made for good drooling tech .
I used one once (under a very careful lender ) and after that, going back to my 17-40L, it felt like a cumbersome brick both in terms of size /weight and mechanics...way cool.



Jul 03, 2008 at 02:18 PM





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