How is the designation Lens deciphered?

S

Senseich2019-02-27 13:12:56

Projectors

Senseich, 2019-02-27 13:12:56

Hello! I'm not friends with lenses, but I needed to find out how it stands for:
Lens: F # : 2.42 ~ 2.97, f : 20.7 ~ 31.05mm
What does it mean here? )
Information taken from here

Reply

Answer the question

In order to leave comments, you need to log in

1 answer(s)

L

longclaps, 2019-02-27
@Senseich

Zoom, focal length range 20.7 ~ 31.05mm, aperture, respectively, from 1/2.42 to 1/2.97

Similar questions

A

AigizK2016-10-17 06:53:54

When choosing a projector for a school, what should you pay attention to? 3Reply

J

Julija Perfilova2019-05-20 17:15:15

Is the Onyx boox max 2 pro projector or e-book more harmful to eyesight when reading, surfing the Internet, watching videos and +1 farsightedness? 2Reply

E

Evgeny Timoshenko2015-09-08 18:07:01

What is the best way to organize the separation of video and audio signal to different devices? 2Reply

A

Andrew Romanov2017-08-23 09:31:51

Which projectors are compatible with the Activeboard 300? 0Reply

Didn't find what you were looking for?

Ask your question