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Potent little 75mm: CV f/2.5 Color Heliar
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PostPosted: Mon Dec 31, 2012 11:46 am    Post subject: Reply with quote

This is how the Voigtländer SL 75/2.5 Color-Heliar looks like (pictured is Nikon mount version). The lens extends at close focusing, at infinity the hood is longer than the lens. As you can see, the rangefinder MC versions differ in barrel design from the SL version. Two optional hoods were sold by Voigtländer, LH-75 round hood and LH-75S square hood. It is not known how many have been manufactured in Nikon mount, but the likely number is about 750 to 1000, all in all the SL version was made in about 3000 copies for various mounts.

(see http://forum.mflenses.com/voigtlaender-sl-apo-lanthar-serial-numbers-production-volumes-t24547.html for more info)









Mechanically speaking the lens is built as difficult as can be, I am talking about the insides. All the SL series lenses have a very erhm "interesting" approach to internal design. None are glued of course as you could expect from quality, but if you ever dismantle one make 110% sure you keep photos and make notes - I recommend you leave CLA to an experienced lens repairman if you can.


PostPosted: Mon Dec 31, 2012 12:04 pm    Post subject: Reply with quote

Good looking lens. Why do they still put those meter coupling ears on the aperture rings?
Nobody is still using those ancient prism/meters anymore...


PostPosted: Mon Dec 31, 2012 12:28 pm    Post subject: Reply with quote

Ooohhh, dream set!


PostPosted: Tue Jan 01, 2013 12:20 pm    Post subject: Reply with quote

hifisapi wrote:
Good looking lens. Why do they still put those meter coupling ears on the aperture rings?


"rabbit ears" ie. aperture coupling prong

The aperture coupling prong is featured on the Voigtländer SL series lenses, but the SL II lenses (starting to appear about 2004) do not have it. The SL II versions are chipped, which means you can change aperture either with the aperture ring or by using the controls on a Nikon DSLR.

Nikon kept the aperture prong on (almost) every manual focus Nikkor lens they made* because of the same backwards compatibility reasons that have been etched into company values since the 1960-70s, which is why a modern Nikon DSLR can fit, meter and provide focus confirm with just about any Nikkor lens made built after 1959.

*) Nikkor 50/1.8 Ai-S 1981-1985 pancake version did not have an aperture prong

hifisapi wrote:
Nobody is still using those ancient prism/meters anymore...


Voigtländer created the SL series with the Japanese market in mind, they weren't originally meant for export. Iif you ever visit Japan you'll be surprised to see how many pre-1977 Nikon F-bodies that require that aperture coupling prong still today roam the streets, sported both by young and mature enthusiasts. It's kind of natural that you don't want to turn your back on your main target segment - film is kept alive by a generation born 25 years after the first Nikon F body was introduced.


PostPosted: Sat Jan 05, 2013 9:57 pm    Post subject: Reply with quote

I can confirm that in the Nikon Ai-S version the dimensionality is also there, clearly. It also has the same fast focus throw of the rangefinder version, which (just as the 90/3.5 and 180/4) makes it a lens you need to practice to master. At close focusing distances it is a joy in use, these lenses are geared for hanami photos.

The 75/2.5 has a very life-like fingerprint and while it is not as stellar as the other Voigtländer SL tele primes (90/3.5, 125/2.5 & 180/4) it nevertheless performs very satisfyingly.

hifisapi wrote:
Esox lucius wrote:
Finally! Nailed a Voigtländer SL 75/2.5 in Nikon Ai-S mount.

Please post some sample pix and a pic of the lens.....



Nikon D4, 1/100s f/2.5 ISO 5000 (noise removal off)


bokeh highlights at f/5.6


bokeh highlights at f/2.5


bokeh highlights at f/2.5, this one closer than previous


on full frame, 1/2 of an f-stop of vignetting wide open


vignetting all but gone at f/4 (apparently also slightly different WB than previous image)


bokeh transition at f/5.6


same bush same distance, bokeh at f/2.5