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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Bird_Bill

    Pentax HD D FA 150-450mm f/4.5-5.6 ED DC AW

    A*300 f/2.8 is a fine piece of work. Big reason I've held onto the manuals is the catch in focus function. Once the knack of using it managed, it renders the old slow rolling manual focus hellicoids serviceable. Noticed on your 150-450, it has a MF setting, which enables it to be implemented as...
  2. Bird_Bill

    Pentax HD D FA 150-450mm f/4.5-5.6 ED DC AW

    Very nice, Mike. Appears to do exceptionally well with the TC. All weather sealed too. Have half dozen "A" series primes, including a couple *'s, been mulling over making the jump with.
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