tunisia wrote:
OleAndre,
How special these pictures are. And what you say is as beautiful. This is more than the lens which I have and love, this is the art of the photographer shooting what he loves.
Well done!
Joe D
Thank you Joe. Coming from someone who shoots that lens, that means a lot!
All the best,
Ole
Reading lens reviews, I'm always wanting to know how the lens perform on a medium format sensor like the GFX or Hasselblad.
So for anyone interested, the Light Lens Lab 75mm SPII works really well on my Hasselblad 907X's medium format sensor (43.8 x 32.9 mm). The only hard vignetting in the corners occurs with very small apertures and close range, otherwise the sensor is covered. At large apertures there's surprisingly little soft vignetting, with less darkening of the corners than my XCD75 (even after standard Phocus software correction). And the bokeh balls stay round over the entire frame except in the very extreme corners, which is really impressive - much better than the Hasselblad lenses! For all practical purposes this is a great manual lens on my 907X.
I've also got a Light Lens Lab 75mm Z21. This has some hard or soft vignetting in the corners of all photos, so it's easy to tell which of the two lenses I'm using. If you don't mind this, or are prepared to crop a little, it's very useable. The Typoch Simera 75mm has corners somewhere in between the two LLL lenses, sometimes noticeable and sometimes not (but very different rendering).
Fred Miranda wrote:
while the SP II is inspired by the Cooke Speed Panchro Series II cine look from the 1940s.
The LLL 50mm SPII is a clone of the Cooke Speed Panchro Series II.
But LLL 75mm SPII is a independent design, totally different to Speed Panchro Series II 75mm. One is double-Gauss type, another is Ernostar type.
DIXI 50 wrote:
The LLL 50mm SPII is a clone of the Cooke Speed Panchro Series II.
But LLL 75mm SPII is a independent design, totally different to Speed Panchro Series II 75mm. One is double-Gauss type, another is Ernostar type.
Thanks, DIXI. I think my sentence was taken out of context. My point was about design goals: the Leica 75mm APO is built for technical perfection, while the SP II is built to reproduce a classic rendering, and that doesn't change whichever way the optical layouts compare.
On the design itself, LLL describes the 75mm as an "homage to a historically significant 1940s Double-Gaussian optical design, forming part of the SP-II lineage", with 8 elements in 5 groups. I haven't found a source showing the original was an Ernostar type, so if you have one, I would be glad to read it.
Fred Miranda wrote:
On the design itself, LLL describes the 75mm as an "homage to a historically significant 1940s Double-Gaussian optical design, forming part of the SP-II lineage", with 8 elements in 5 groups. I haven't found a source showing the original was an Ernostar type, so if you have one, I would be glad to read it.
A real Cooke Speed Panchro SerII 75mm, for example, engraved with British patent 653227 & US patent 2502509.
Thanks, DIXI, that's a useful source. Gordon Cook's patent describes a different, asymmetrical layout from LLL's double-Gauss formula, so you are right that the LLL 75mm is its own design and not a copy of the original. That doesn't change what I was saying, though: the Leica 75mm APO is built for technical perfection, while the SP II is built to reproduce a classic rendering, so they aren't trying to do the same thing.
