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Thread: GF1 IR and lenses with Hotspots

  1. #1
    Contributing Editor ustein's Avatar
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    Dec 2009
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    GF1 IR and lenses with Hotspots

    Lets exchange some experience with different lenses on the GF-1 IR (715n conversion).

    Panasonic 14-140mm (hotspots from 14-25mm, above mostly ok)
    Olympus 14-54mm (4/3) seems all ok
    Panasonic 14-45mm mainly ok
    Panasonic 45mm Macro ok
    Uwe Steinmueller

    Editor&Owner of Digital Outback Photo

  2. #2
    Senior Member
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    Re: GF1 IR and lenses with Hotspots

    I have a GH-1 with the 715nm conversion.

    I agree with Uwe on the PL45/2.8 and the 14-45mm.

    The absolutely best lenses I have come across for the camera are the Contax G favorites are the 35/2 and the 45/2.....crisp, clean and no hotspots at all. It's like they were made to do IR.

    The Contax G 90/2.8 is a little long for what I would shoot. I recently picked up a Biogon 28mm, but haven't shot with it yet. (Other members have and their IR shots look pretty wonderful).


  3. #3
    Super Duper
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    Re: GF1 IR and lenses with Hotspots

    I have the same experience as Rich. Contax G lenses that I use with the G1-IR are the 28, 35, and 45 (occasionally the 90) and all are great with exceptional clarity and no hot spots. I've also recently been using a Canon 24mm TS-E II with great success on the G1-IR using an EOS/m43 adapter (need to preset aperture on a Canon body first. I just set it at f/8 or f/11 and leave it there for all of my IR shooting. The Lumix 7-14 was also very good with the G1-IR.

  4. #4
    Senior Member kds315's Avatar
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    Sep 2009
    Weinheim, Germany
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    Re: GF1 IR and lenses with Hotspots

    I have a set of (hardly known) Carl Zeiss Jena lenses made for VIS + especially IR, produced in small numbers for the secret service years ago. They are razor sharp and have no hotspots at all (no wonder actually) - does that count?

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