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**macman24054** · 11-28-2020, 09:28 AM

Just bought a Light blaster with a K to EF mount adapter. I have an old 28-105 power zoom lens. I wanted to use it, however when I turn the power off on my camera it default zooms to around 65mm or so. Is there anyway I can manually zoom this lens?
Thanks,
Jeff

**subsea** · 11-28-2020, 09:37 AM - **1 Like**

You should be able to pull the power zoom ring towards the camera body. This will turn off the power zoom functions and the lens will only zoom manually. By the way, the behavior you mention when you turn the camera power off is normal. If set to use the power functions, the zoom will automatically move to the focal length at which the lens is the shortest when the camera is turned off.

zzeitg · 11-28-2020, 09:40 AM

can you move the zoom ring slightly towards the camera?

**macman24054** · 11-28-2020, 11:52 AM

Originally posted by subsea

You should be able to pull the power zoom ring towards the camera body. This will turn off the power zoom functions and the lens will only zoom manually. By the way, the behavior you mention when you turn the camera power off is normal. If set to use the power functions, the zoom will automatically move to the focal length at which the lens is the shortest when the camera is turned off.

Yes thank you so much!

---------- Post added 11-28-20 at 01:53 PM ----------

Originally posted by zzeitg

can you move the zoom ring slightly towards the camera?

Yes thank you so much!

pentaxshooter89 · 11-28-2020, 01:29 PM

subsea —- Great tips & I have done similar steps

Thank you!

**DWS1** · 11-28-2020, 05:06 PM

Pull the zoom ring back towards the camera and it should disengage.

11-28-2020, 09:28 AM	#1
macman24054 Loyal Site Supporter Join Date: Aug 2013 Location: Axton, VA Photos: Gallery \| Albums Posts: 461	Can a power zoom lens be manually zoomed? Just bought a Light blaster with a K to EF mount adapter. I have an old 28-105 power zoom lens. I wanted to use it, however when I turn the power off on my camera it default zooms to around 65mm or so. Is there anyway I can manually zoom this lens? Thanks, Jeff

11-28-2020, 09:37 AM - 1 Like	#2
subsea Loyal Site Supporter Join Date: Sep 2016 Location: Commack, NY Posts: 2,607	You should be able to pull the power zoom ring towards the camera body. This will turn off the power zoom functions and the lens will only zoom manually. By the way, the behavior you mention when you turn the camera power off is normal. If set to use the power functions, the zoom will automatically move to the focal length at which the lens is the shortest when the camera is turned off. Last edited by subsea; 11-28-2020 at 09:59 AM.

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11-28-2020, 09:40 AM	#3
zzeitg Pentaxian Join Date: Sep 2014 Location: South Bohemia Photos: Gallery \| Albums Posts: 4,017	can you move the zoom ring slightly towards the camera?

11-28-2020, 11:52 AM	#4
macman24054 Loyal Site Supporter Join Date: Aug 2013 Location: Axton, VA Photos: Gallery \| Albums Posts: 461 Original Poster	Originally posted by subsea You should be able to pull the power zoom ring towards the camera body. This will turn off the power zoom functions and the lens will only zoom manually. By the way, the behavior you mention when you turn the camera power off is normal. If set to use the power functions, the zoom will automatically move to the focal length at which the lens is the shortest when the camera is turned off. Yes thank you so much! ---------- Post added 11-28-20 at 01:53 PM ---------- Originally posted by zzeitg can you move the zoom ring slightly towards the camera? Yes thank you so much!

11-28-2020, 01:29 PM	#5
pentaxshooter89 Veteran Member Join Date: May 2011 Location: Oregon Posts: 365	subsea —- Great tips & I have done similar steps Thank you!

11-28-2020, 05:06 PM	#6
DWS1 Site Supporter Join Date: Aug 2018 Location: Arkansas, USA Posts: 1,169	Pull the zoom ring back towards the camera and it should disengage.

Can a power zoom lens be manually zoomed?

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