Lens Selection Recommendations

By John Honovich, Published Jan 30, 2013, 07:00pm EST (Info+)

Selecting the right lens can be confusing and tough, especially because lenses are often integrated into cameras, severely restricting flexibility to mix and match the right lens feature sets. In this tutorial, we examine 7 key criteria in selecting the appropriate lens. They are:

Lens Length / FoV Width

  • **** ****** / *** *****
  • ********* ** ***** *****
  • *-****
  • **** ****
  • ******* *****
  • ***** ** */* ******
  • **** '**********'

*** **** ** **** **** **** length *** ****, ******* **** ********** how **** (** ******) * ***** of **** (***) *** *** ***. Do *** **** * ***, ***, 12mm, **** ****? *** ****** *** lens, *** ******** *** ***. *** our**** ************ ************ *******.

********* ** ************, **** ** **** is **** ******* **** **** *** most ******. *** ***** *** **** applications ***** *** ***** ** *** far ****, ********* ****** ******. ** determine ******* *** **** ****** ******,*** * **** **********. *** ** ******* ** **** you **** ** *** ***** ****, see ********* **** **** **********.

Varifocal ** ***** *****

**** ****** ** ****** ***** ** adjustable. *** ********, *** **** *** be *** **** ** ***** ******* (that's *****) ** ********** ******* *** - **** (****'* *********). **************, ************ users ****** ********* (*** ********* ******* ** ********* ** ***** for ****). *******, ***** ***** ****** *** less ********* *** ********* ***** ** lower **** *******, ** *** ***** used ** ****** *****.

** *** *** *********, *** **** more *********** ********* ******. ** *** **** *****, *** only ****** ** ** *** **** is **** *** ****** ****** ** farther **** **** *** *******.

*-****

*-**** ** * ****** ********* *** determiner ** *** ***** ***********. *** higher *** * ******, *** **** light *** **** **** **** *** the **** ****** *** ****** **** have ******** ** *** *****. *** instance, ** */*.* **** ***** ** a *** **** ***** **** * f/2.8 *** (******** **). *** ****-**** ********.

****** ***** *** **** *-****, ********** if ********* ********* **** ******* ** wide ***** ******, ** *** *********** can ** ******* *** **** * huge ********* ******

Iris ******* ****

*** **** ** *** ******* **** allows ***** ** **** ******* *** lens *** ** *** ******. *** four ****** ******* *** *****, ******, auto *** * ****. ***** ****** end ******* ********* *** **** ** P ****, *** ******* **** *** show **** ******** *** **** ******. For **** ** *** *********** ******* these ********, *** ******* ********.

Shutter *****

*** ******* ** *** **** ** the **** *** ** ******* ******* it ************* ******* *** ******'* ******** to *****. **** ******* *** **** iris *** ******* ***** ******* ** regulate ***** ***** (*** ********** ***** ** **** ********).

*** ******* ********** *** **** *** sensor ** ******* ** ***** *** is ********* ********* ** ********* ** a ****** (*/*****, */****, */***, */**, etc.). *** ********** ***** *********** ****.

*** *** ***** ** ****** ** slow ******* ******. **** ************* ****** this ** * ******* *************** *******, in ****** **** ******, ** *** make ** ***** ****** *** ** creates ******** *** ******** ** ****** objects. **** ** *** ** ***, this ******* ********** **, ** *** *******.

Lens '**********'

***** ******* *** ********* ******** ** their**********, *.*. ***** *****, **** ***, ***, ***, ***., lenses *** ***. *****, ***** ***** has ** ****** ******* ******* ***** are ** ****** ** ******. ****** are * **** ** ***** *******, not ******.

*******, ** **** ** ******* *** users, **** ************* ********* **** ***** lenses *** **********, **** ** *.*** or **** **, ***. ***********, *** more ******** **** ** **** ***** / ********** (**/**) ** *** **** lines * **** *** ******* ** a ***** ****, **** *** **** the ******. *** ******* ** **** lens ************ ****** ****** **** ******, making ** ******* ** * ******* criteria.

*** **** *** ** ** *** the **** **** *** ****** ************ recommends. ** **** ** **** ************ is *********, **** **** ********* ** require *** ** *** * ******* tested *** ******** ****. ***** * cheap **** **** *** **** **** money *** *** ***** ********. *** exception ** **** **** ** ***** is ** *** **** **** **** own *********** ***** **** *** ************ you **** **********. *** ********, *** our** **** ********.

********* *** ***** *********

*** ***** ** ****** ****:

  • ***** *** ** ** **** ** a ********* ******. *** **** ****** certainly ************* ******* ***** *******.
  • *** *** ** **** **********, **** quality ****** *****. **** **** **** they *** ***** *** ** *** the ****** ************ ********. ***** ***, it ** **** **** *********. *****, varifocal ****** *** **** *****. ********, the ****** **** ** ** ************* more *********.

Color ** ***/*****

** *** *** ***** ****/***** ****** **** * ********** *** filter, *** ** ** ********* (********* marketed ***/*****) ****. *********, *** *** have * ***** / ********** ***** at *****. *** **** **** ** IR ********* ****** *** ****** *** do *** **** **** ****.

********

**** ** *** **** *** ***** lens, *** ***** **** ** **** sure ** ** ** *****. **** is ********** ********* ***** **** *** varifocal ****** **** ******* **** ******** after ********* *** *** ***** **** length *** ***'* *****.**** **** ******** / **** *********** ************ ****** *** **** ******* with ****.** ****** ************ *********** ** ********** *** **'* ****** finding *** ***** *** ** *****'* no *****, ******* ******** (** ***** was **** ****** *******). *** ****, see *********** ********.

Comments (0)

Login to read this IPVM report.
Why do I need to log in?
IPVM conducts reporting, tutorials and software funded by subscriber's payments enabling us to offer the most independent, accurate and in-depth information.
Loading Related Reports