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(Q12873)
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Revision as of 08:41, 30 June 2023 by
Fire
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(
Created claim:
has use
(P29)
:
objective
(Q11120)
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Statements
subclass of
optical component
0 references
part of
camera lens
0 references
defining formula
1
f
=
(
n
−
1
)
[
1
R
1
−
1
R
2
+
(
n
−
1
)
d
n
R
1
R
2
]
{\displaystyle {\frac {1}{f}}=(n-1)\left[{\frac {1}{R_{1}}}-{\frac {1}{R_{2}}}+{\frac {(n-1)d}{nR_{1}R_{2}}}\right]}
0 references
has use
firelighting
0 references
magnifying glass
0 references
objective
0 references
Sitelinks
⧼wikibase-sitelinks-mywikigroup⧽
(0 entries)
edit
![{\displaystyle {\frac {1}{f}}=(n-1)\left[{\frac {1}{R_{1}}}-{\frac {1}{R_{2}}}+{\frac {(n-1)d}{nR_{1}R_{2}}}\right]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7dc97a5d6f43ab7550fbdd18a341bcd267090be)