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

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  1. M

    "vignetting"?

    :t:First of my excuses for posting on the wrong sub-forum. English is not my native language and I am new on this international forum. Secondly, I am a newbie about digiscoping. Thank you for the very comprehensive reply. It has really helped me to understand it better. Better ask, then trial...
  2. M

    Is to avoid a circular image with a DSLR?

    Hallo, If I make a picture with my DSLR by my spotting scope, I always get a circular image. Outside the circle is all black. I can, of course, with an editing to make a crop. Or does anyone know a way to prevent a circular recording already while shooting? Zoom can obviously not, because...
  3. M

    "vignetting"?

    Hi, Is vignetting with a T2 adapter mounted on a DSLR inevitable? |:S| (The electronics of my 12 year old Konica Minolta refuse service. After fixation of a T2 adapter on the camera, I get the message; "No Lense. And the entire lighting system is switched off) If so, I'm stuck with a new...
  4. M

    Exposure System stops, as the DLrs is mounted on a T2-adapter

    My camera is a Konica Minolta Dynax 5D. That is compatible with a Sony Alpha DLRS in technical point of view. The lensmount is compatible with a Sony A-mount. Greetings, Martin
  5. M

    Exposure System stops, as the DLrs is mounted on a T2-adapter

    Hey, I recently bought a spotting scope. The bought-T2 adapter fits my DSLR. If I put my camera on the scope-mount, the system of my camera says 'No lens present'. The shutter-lock can I override in the set-up. But no way I can use A-priority. A few shots taken, the EXIF suggest that the camera...
  6. M

    Solving aberrant f / stop (1 / 5.4)

    Thanks Joachim, On the scope I've mounted a zoom eyepiece (magnification 22 - 67 x). On top of that I screw a T2-adaptor. Which fixed my DSLR. Changing the magnification, the EV value? And/or the focal lenght?
  7. M

    Solving aberrant f / stop (1 / 5.4)

    Hello outthere, My Hawke Nature Trek Scope (22-67 x 100, focal length 540 mm) requires a 1 / 5.4 setting on my DSLR. So that is rated between nominal 1/4 and 1 / 5.6 stops. I can adjust the exposure in 1/3 steps in A-priority mode. But then the series will be (in nominal values); 1/4 - 1 /...
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