Let's get rid of LS lenses... shall we?

[theodoros_fotometria]

<p>Q: Why is leaf shutter still there?.<br>

A: Because more than half a century ago, shutter curtains where not fast enough to support strobe use...<br>

Q: What if focal plain shutters where faster....<br>

A: The sync. speed of strobes is in direct relation with the ability of a focal plain shutter to "cover" the sync speed, the faster a focal plain shutter can move, the sync speed will follow!<br>

Q: Do we need LS if focal plane shutter was as fast?<br>

A: No!<br>

Q: What is the fastest sync speed a maser photographer would use?<br>

A: During the (recent) past, that was 1/500sec, but it was rarely used, most experienced photographers used (less than usual) up to 1/250, for fill in.<br>

Q: Do modern photographers use more than 1/500?<br>

A: No! if one claims that he does, it's only for "showing off" reasons, there are other ways to cope with extreme light situations, which are more effective!<br>

Q: Can a focal plane shutter DO 1/250 with MF?<br>

A: Most probably yes! ...But makers never demanded it (from Copal or others), they prefer to offer in lens shutter systems and charge you (a lot) for it... It makes lenses "slower" too.<br>

Q: If sync speed was the same when in focal plane with respect to LS... which mode should I prefer? <br>

A: LS, <em>doesn't have an even distribution of light on the </em><em>image, depending on the shutter speed, light is more to the center and gradually falls towards the e</em><em>d</em><em>ges, (vignetting), </em>the more the shutter speed, the more the problem is relevant, focal plane has none of these issues, just that it was (up now) slower!<br>

Q: If my lenses didn't have LS in them would they be cheaper and would they be faster?<br>

A: This is obvious...<br>

Q: So who is preventing Copal (or any other) to come with faster shutters (let's say 1/250sec) and sync strobes with that MF speed , that would make LS unnecessary...?<br>

A: Nobody!</p>

<p>Lets hear your voice folks... Do you like to pay for LS on your lenses?</p>

[john tonai]

<p>I'd rather get rid of multiple postings</p>

[CharlesBecker-Toronto]

<p>+1 John. cb :-)</p>

[User_6502147]

<p>+50</p>

<p>Les</p>

[h._p.]

<p>I like posts like this. They reveal such complete ignorance of the realities of commerce and engineering...</p>

[JDMvW]

<p>all of the above responses, again</p>

[steve_mareno1]

<p>I don't have a LS lens to get rid of. Story of my life :(</p>

[tom_harvey3]

<p>"'Tis better to be thought a fool than to open your mouth and remove all doubt..."</p>

<p>Abraham Lincoln</p>

[Rob F.]

<p>I think it is:</p>

<p>It is better to keep one's mouth shut and be thought a fool, than to open it and remove all doubt."</p>

<p>Mark Twain</p>

[Rob F.]

<p>I think it is:</p>

<p>It is better to keep one's mouth shut and be thought a fool, than to open it and remove all doubt."</p>

<p>Mark Twain</p>

[Ian Taylor]

<p>Let's stop talking about lenses.</p>