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Thread: 90mm 4.5 APO-Digitar

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    Senior Member thrice's Avatar
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    90mm 4.5 APO-Digitar

    I'm about to pull the trigger on this lens, does anyone have any examples?

    I'm going to use it with the PGS on my alpa for portraits so I'd like to see the rendering wide open ideally.



    Copied from the Alpa website:

    Product
    Schneider Apo-Digitar 4.5/90 mm N, SB 34
    Details
    Shutter: Copal 0
    Aperture: f 4.5 - f 32
    Image circle at full aperture: 90 mm
    Image circle at f 11: 90 mm
    Max. angle: 53
    Distance settings: 1.5 m - infinity
    Filter thread size: 40.5 mm

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    Re: 90mm 4.5 APO-Digitar

    I have the lens, but unfortunately any wide open shots, I only use it for landscape. If noone else replies I could make some test shot for you. I do not think the look of f/4.5 has any significant shorter feel to it than f/5.6 though so say if you already have the 120 f/5.6 I would guess it's just as good.

    (edit: found one full-figure wide open test shot, sent in private message.)

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    Senior Member thrice's Avatar
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    Re: 90mm 4.5 APO-Digitar

    Very useful, thank you Torger

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    Re: 90mm 4.5 APO-Digitar

    I love the foggy foreground bokeh (a little soft-focus feel to it), while the background bokeh is a little bit more worried. You can see up in the left corner of my test picture how specular highlights are rendered, they're a little bit sharp-edged. I'm no bokeh expert though, I don't know how well the expertise thinks it competes with the alternatives, and "bokeh kings" I've looked at also have edgy specular highlights. I do think that it stands out quite well due to their relatively low amount of correction. I've got the impression that most/all Digitar lenses have similar bokeh due to their similarity in design.

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    Re: 90mm 4.5 APO-Digitar

    I like the foggy foreground as well. I have noticed most lenses get a bit nervous at medium distances. I'll mostly shoot tight headshots so the out of focus areas will be obliterated anyway

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    Senior Member danlindberg's Avatar
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    Re: 90mm 4.5 APO-Digitar



    Shot right now from reading your post while having a coffee on the terrace. Should you want to look at pixel level the original is as usual a 16bit Tiff!

    Background blur busier than foreground.
    Alpa MAX TC | Alpagon 32Hr | Helvetar 75 | Schneider 120N | Leaf Credo 60 | Hasselblad X1D | XCD 90 | www.danlindberg.com
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    Re: 90mm 4.5 APO-Digitar

    Interesting Dan, other than the rare 95/3.5 is there a lens you recommend more for portraits? How does the 120N compare?
    I don't find that bokeh that busy though, the Leica 90/2 APO is similar.

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    Senior Member danlindberg's Avatar
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    Re: 90mm 4.5 APO-Digitar





    Both shot with the SK 120N, love it and prefer it over the SK 90 N when it comes to out of focus rendering.
    Alpa MAX TC | Alpagon 32Hr | Helvetar 75 | Schneider 120N | Leaf Credo 60 | Hasselblad X1D | XCD 90 | www.danlindberg.com
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    Re: 90mm 4.5 APO-Digitar

    Thanks Dan, very helpful.

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    Re: 90mm 4.5 APO-Digitar

    This is an old thread, but I'm looking for an overall opinion on / evaluation of this lens. Is it sharp out to the edges of the 90mm image circle? Is it usable at, say, f/5.6? Anything else about it I should know? I'd be using it on an H5D-50 (CCD) back at this point.

    I currently have a rodenstock 40mm HR and a Schneider 60mm XL on my Alpa, so a 90mm lens would be a great way to fill out the range.

    thanks
    ethan

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    Re: 90mm 4.5 APO-Digitar

    I have this lens and use it daily for my product photography. Very sharp and very usable movements. I compared it with the Rodenstock 90mm sironar digital and found that the Schneider was sharper and better. The Rodenstock will give you more movements as it has a larger IC.
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    Re: 90mm 4.5 APO-Digitar

    Quote Originally Posted by Boinger View Post
    I have this lens and use it daily for my product photography. Very sharp and very usable movements. I compared it with the Rodenstock 90mm sironar digital and found that the Schneider was sharper and better. The Rodenstock will give you more movements as it has a larger IC.
    Agree. A good lens. Better than the blue ring 90mm Rodenstock, which has a bigger image circle, but is not anywhere near as sharp. (The yellow ring HR-SW is another story, but that's $10,000+ !)

    Conversely to others here. I owned the SK 120N, a late version, and found it not that sharp. Sold it. Clearly... YMMV.
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    Re: 90mm 4.5 APO-Digitar

    Thanks for the input. Much appreciated.

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    Re: 90mm 4.5 APO-Digitar

    There's my Alpa SK 90/4.5 for sale on eBay at the moment. f.y.i.
    Last edited by narikin; 8 Hours Ago at 16:16.

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    Re: 90mm 4.5 APO-Digitar

    Quote Originally Posted by narikin View Post
    There's an Alpa SK 90/4.5 for sale on eBay at the moment. f.y.i.
    only 2nd one I've seen in 10 years.
    Yep, and on LuLa too. (From someone with a strikingly similar username.) Im considering it. Finances are a bit tight.

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    Re: 90mm 4.5 APO-Digitar

    Quote Originally Posted by epforever View Post
    Yep, and on LuLa too. (From someone with a strikingly similar username.) Im considering it. Finances are a bit tight.
    Are you using it on an alpa?

    If not they are like $850 bare lens.

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    Re: 90mm 4.5 APO-Digitar

    Quote Originally Posted by Boinger View Post
    Are you using it on an alpa?

    If not they are like $850 bare lens.
    Yes, on Alpa. Otherwise it would indeed be a lot simpler. 90 isnt a common focal length for me.

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