focal length in a sentence

1. eyepiece focal length.

2. eyepiece focal length, in millimeters.

3. telescope focal length, in millimeters.

4. Why is the preferred focal length (FL) 7.5"?

5. The focal length f of this reduced eye is 20.1 mm.

6. the adapter converts the lens focal length to 5.5 mm

7. If I call the back focal length "\(d_2\)", this is given by:

8. In short the video is just beautiful with a lens in this focal length.

9. The ideal focal length for me is 35mm, but 28mm and 50mm can also work.

10. Compact dome ports are used for a focal length of 20-24 mm (full frame).

11. A lens with a focal length of 75mm will soon be introduced to the market.

12. Another acceptable formula would be: focal length in cm = aperture in cm².

13. The Baader TZ-4 increases the focal length of my telescope to almost 4.5m.

14. A focal length between 12 and 24mm (full format) is particularly suitable.

15. focal length adjustment on the surface through software and 3d galvanometer.

16. The fixed focal length is 60 millimeters and the focus is exclusively manual.

17. And then at each point, your focal length provides you with another 24 points.

18. On the left is the Mavic Zoom 2 with optical zoom at its maximum focal length.

19. The long focal length of the TZ-3 shows only a part of the protuberance group.

20. Here I used 110mm, which was just the right focal length for this kind of framing.