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

Recent content by NorthernHarrier

  1. NorthernHarrier

    Blue Jay Call

    Sounds to me like a variation on what Donald Kroodsma refers to as the “pump handle” type of blue jay call, one of the five types of blue jay calls categorized by Kroodsma. There’s a good YouTube video series in several parts describing the variety in blue jay calls and sounds.
  2. NorthernHarrier

    Zeiss Dialyt 10x40 B T * price

    Greetings. I still use the 10x40 BGAT/P Dialyt binocular I bought new in 1992, and mine are also in excellent condition. I have not used or handled current alpha binoculars, so I can’t tell you how they compare or their relative value. I can only say I believe the market value of my Dialyts has...
  3. NorthernHarrier

    USFWS Barred Owl Removal Plan

    That's a reasonable question, and I would guess that question could, in a scientist's or policy analyst's mind, be asked in a slightly different way: what ecological role was played by the spotted owl in the northern Pacific that caused it to appear and live in that habitat without any incursion...
  4. NorthernHarrier

    USFWS Barred Owl Removal Plan

    As an employee of a large government organization, I feel compelled to offer a feeble defense of the Fish & Wildlife Service against the suggestion that it is deviating from its original mission with counterproductive results. The history of that particular organization (for which I confess I’ve...
  5. NorthernHarrier

    USFWS Barred Owl Removal Plan

    I was actually talking about the loss of the species from that ecosystem. While it is certainly also about the loss of a subspecies of the total species population in the USA, as you know there aren’t a lot of spotted owls elsewhere in the USA. I was lucky to see one of them roosting over a...
  6. NorthernHarrier

    USFWS Barred Owl Removal Plan

    I want to make clear up front that I have no idea what the proper solution to spotted owl population reductions should be, and I have no idea whether the proposed barred owl removal plan by the government is justified or the best solution to the problem. However, it seems that there are a few...
  7. NorthernHarrier

    Quick question…. Useful camera settings for Sony zoom ?

    I shoot at four frames/second. I use windows photo and explorer, with the Microsoft raw image viewing extension, to preview all my images from the shoot. I select the images I want to save and process, then I use the free GIMP program to process and export them. GIMP does all I need with my...
  8. NorthernHarrier

    Sony RX10 1V the new boy.

    I've only begun to use this camera, but I have found that flexible spot AF with focus lock works well (in most cases) to isolate and focus on a small bird with foliage or branches around it, as others have suggested here. I have programmed my camera to use this for perched birds, and the focus...
  9. NorthernHarrier

    Sony RX10 1V the new boy.

    I have Steve’s book. It’s helpful for those of us who focus on animal and nature photography - especially birds. However, for the general camera user and those completely unfamiliar with the camera, it isn’t as comprehensive as Alexander’s book. And as helpful as Steve’s book is for bird...
  10. NorthernHarrier

    Sony RX10 1V the new boy.

    OK, I returned the first RX10 M4 due to the speck of dust on the sensor showing up on images. I ordered a second camera, but didn't even get to unboxing it - had to refuse the shipment, as the shipping company pummeled the outer and inner boxes to the extent that I felt I had to refuse the...
  11. NorthernHarrier

    cape may in late September?

    Yes, late September is a good time generally for birds at Cape May. You will find passerines at Higbee Beach (dunes and woods) around sunrise and just after sunrise. Also check the South Cape May Meadows for shorebirds and waterfowl. At Cape May Point, falcon migration usually peaks between...
  12. NorthernHarrier

    When the Eagle and Red-shouldered Hawk actually have conversation!

    Wow! Nice photo!
  13. NorthernHarrier

    Arizona birding

    Wish I could live in Sierra Vista! Loved my week based there....best trip ever.
  14. NorthernHarrier

    Sony RX10 1V the new boy.

    Nice dowitcher pics, mshorten!
  15. NorthernHarrier

    Arizona birding

    I've only been to southeast AZ during early May, and I'm no expert. According to reports of others, you'll get more migrating passerines in late August, but in October you'd have some wintering ducks and raptors. Also, in October, some residents will be at lower elevations than they'd be at in...
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