• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Search results

thxpress_search_the_forum Search Opus
  1. 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...
  2. 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...
  3. 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...
  4. 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 /...
Back
Top