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**alfa75ts** · 07-04-2018, 07:42 PM

Originally posted by UncleVanya

Well sorry for the red herring.

All good, it brings out more info.

UserAccessDenied · 07-13-2018, 06:31 AM

Originally posted by UncleVanya

I've converted both lenses several times. But once they reach me they are typically dead already as far as SDM. I own the DA* 200 and it seems about the same maybe slightly faster in screw drive but that could be some wishful thinking. I keep mine SDM however as it has no known issues. The FA* 300 I have seems similar to the DA* 300's in terms of focusing in screw drive but I couldn't swear to it.

I know this is difficult to put into words... But how loud is the screwdrive on the DA*300 after converted?
Similar to the DFA100mm macro? Just wondering if the lens itself offers any noise buffering compared to other screwdrive lenses, or are they all about the same in terms of loudness?

**UncleVanya** · 07-13-2018, 07:10 AM - **1 Like**

Originally posted by UserAccessDenied

I know this is difficult to put into words... But how loud is the screwdrive on the DA*300 after converted?
Similar to the DFA100mm macro? Just wondering if the lens itself offers any noise buffering compared to other screwdrive lenses, or are they all about the same in terms of loudness?

The DA* lenses are quite a bit less noisy than the kit lenses, I've never paid attention to the dfa 100 in comparison. My thread in the marketplace has a conversion video which includes sounds of the lens focusing post conversion.

angerdan · 07-13-2018, 09:16 AM

All WR lenses with screwdrive are more silent than the versions without WR. The rubber sealing does compensate some of the vibrations.

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07-04-2018, 07:42 PM	#16
alfa75ts Loyal Site Supporter Join Date: Jun 2009 Location: Melbourne Australia Photos: Albums Posts: 1,356	Originally posted by UncleVanya Well sorry for the red herring. All good, it brings out more info.

07-13-2018, 06:31 AM	#17
UserAccessDenied Veteran Member Join Date: Jan 2015 Location: Maryland Photos: Gallery \| Albums Posts: 1,677	Originally posted by UncleVanya I've converted both lenses several times. But once they reach me they are typically dead already as far as SDM. I own the DA* 200 and it seems about the same maybe slightly faster in screw drive but that could be some wishful thinking. I keep mine SDM however as it has no known issues. The FA* 300 I have seems similar to the DA* 300's in terms of focusing in screw drive but I couldn't swear to it. I know this is difficult to put into words... But how loud is the screwdrive on the DA*300 after converted? Similar to the DFA100mm macro? Just wondering if the lens itself offers any noise buffering compared to other screwdrive lenses, or are they all about the same in terms of loudness?

07-13-2018, 07:10 AM - 1 Like	#18
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,472	Originally posted by UserAccessDenied I know this is difficult to put into words... But how loud is the screwdrive on the DA300 after converted? Similar to the DFA100mm macro? Just wondering if the lens itself offers any noise buffering compared to other screwdrive lenses, or are they all about the same in terms of loudness? The DA lenses are quite a bit less noisy than the kit lenses, I've never paid attention to the dfa 100 in comparison. My thread in the marketplace has a conversion video which includes sounds of the lens focusing post conversion.

07-13-2018, 09:16 AM	#19
angerdan Pentaxian Join Date: Feb 2015 Photos: Gallery \| Albums Posts: 2,643	All WR lenses with screwdrive are more silent than the versions without WR. The rubber sealing does compensate some of the vibrations.

DA* 200 and 300 screwdrive conversion

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