[LRFlex] Re: 90mm f/2 APO-SUMMICRON-R ASPH or 100mm f/2.8

I don't have the exact comparison, but do own a 100 macro and a 90 Summicron-m ASPH, which is the same formulation as the R version.

They're really very different animals.

The 100 is a special purpose lens which I prefer to use in a studio format. It's supremely sharp, and despite what you might read, is unparalleled in that regard unless you're doing scientific testing.

I prefer to 90+M body for everyday use. Besides the compactness, it's a lot lighter. The focus throw is much easier to use for anything other than stationary objects than the 100. If you're taking portraits handheld, it's much preferable.

Regards,

John


On May 26, 2004, at 1:01 PM, Aram Langhans wrote:

I, too, have not worked with the 90, but I would find it hard to believe you could improve on the quality of the 100. An amazing piece of glass and metal. I have an older 90 and it sees use only if I want a ligher load, know I am not going to need to focus closely, or know I will have to focus fast on moving objects, Perhaps the 90 APO has such advantages over the 100, but as I said, I find it hard to believe any advantages on optical quality would be noticable. Maybe others have actual experience with both lenses. I,too, would like to hear from them.

Aram


From: "Neil Gould" <neil@xxxxxxxxxxx>
Reply-To: leicareflex@xxxxxxxxxxxxx
To: <leicareflex@xxxxxxxxxxxxx>
Subject: [LRFlex] Re: 90mm f/2 APO-SUMMICRON-R ASPH or 100mm f/2.8
Date: Tue, 25 May 2004 05:47:13 -0500

Hi Barney,

Recently, you wrote:

> From: Barney Kahn <thekahnman@xxxxxxxxx>
>
> 90mm f/2 APO-SUMMICRON-R ASPH or 100mm f/2.8
> APO-MACRO-ELMARIT-R?
>
> According to
> http://www.wildlightphoto.com/leica/main.html both are
> really great. However with all of the reading I've
> been doing, it seems that most if not all of the
> newest and/or updated versions surpass the quality of
> the older. I understand that the 90mm f/2 ASPH is a
> much newer design than the 100mm APO and has some
> better qualities. With that sort of thinking, I would
> lean towards the 90mm f/2 ASPH except it has a small
> amount of distortion and has "soft?" focus from 1.5
> meters and closer (with lens wide open).. So now I'm
> thinking of going with the 100mm f/2.8.
>
> All of the qualities of the 100mm f 2.8 sounds right
> for me such as getting in close with high quality at
> all openings, however the 90mm f/2.0 ASPH is listed as
> having really nice "imaging properties at full
> aperture" and is better in all other areas due to it's
> newer design...
>
> I'm not sure if I would really that difference when my
> slides are projected on my 70 screen (with a leica
> projector and lens) when compaired with the 100
> Elmarit. I would think so if there really is a
> difference in lens quality.
>
> The 100mm would probably be easier to get in close to
> small animals such as a kitten and face/sholder face
> shots of my friends when compaired to the 90mm. When
> I get in close, it will be more for small animals
> rather than people.
>
> Has anyone worked with both a 90mm and a 100mm? Why
> would you like one over the other?
>
I have not worked with both a 90mm and the 100mm. However, I do own the
100mm, and have a bit of experience shooting iwth it. It is a dream lens
in most respects. Its macro qualities are excellent, and as you have
expressed an interest in that capability, it's an easy choice. I doubt
that the difference in focal lengths between these two lenses would make
much of a difference for your portrait shots.

What I'd suggest is renting each from your camera store and spending the
weekend shooting a couple of rolls. That should answer your question
definitively.

Regards,

Neil Gould

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