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tuggie76 · 04-22-2016, 01:26 PM

After my recent experience with high iso, I discovered I have an old Sears 135mm f2.8 manual lens, which would have been perfect, but I'm a tad confused with how to use it. I've allowed non A aperture settings and I do not get an aperture reading in the top display, but the speed will change if I use AV and manually change the f stop. In M mode there is no indication that I can see that I have the correct exposure, other than checking the histogram after the shot. Is this correct?

Thanks again.

Tuggie76

**paulh** · 04-22-2016, 01:29 PM

Hi Tuggie. Sticky from the help & troubleshooting section: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/110658-u...x-dslrs-f.html

hcc · 04-22-2016, 02:45 PM

Originally posted by paulh

Hi Tuggie. Sticky from the help & troubleshooting section: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/110658-u...x-dslrs-f.html

+1 with Paulh.

Consider to use the Green button in M mode.

tuggie76 · 04-22-2016, 03:46 PM

Originally posted by paulh

Hi Tuggie. Sticky from the help & troubleshooting section: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/110658-u...x-dslrs-f.html

Hi Paul, thanks for the tip, but I can't seem to relate this instruction to my K3ii. If I push the on/off switch past 'on' I get the lightmeter, but it's almost impossible to adjust and hold the switch over! It's probaly me, but I can't make head nor tails of the button settings, there doesn't seem to be a green button listed.

'K-30, K-50, K-500, K-S1, K-S2 and K-01 users: make sure you also set your green button "action in M/TAv Mode" to Tv SHIFT. This is found under the button customization menu (page 3 of the main menu) on the K-01 or as a custom function on the K-30, K-50 and K-500. Also, avoid auto ISO.

Read more at: https://www.pentaxforums.com/forums/54-pentax-lens-articles/110657-how-use-meter-manual-m42-lenses-all-pentax-dslrs-k-5-k-r-k-x-k-7-a.html#ixzz46b8MnpSi'

Tuggie76

P.S. I never thought Adam sounded like the video.

**paulh** · 04-22-2016, 04:04 PM

You may have to consult your K3 manual, or it might work out of the box. Try this - put the camera in M mode, go outside in daylight, set aperture to f/8. For starters, manually set the ISO to 100 or 200 (later on you can try auto-iso), compose your shot, press the green button. It should momentarily stop down the lens and get a light reading. It should now give you a correct, or near-correct shutter speed. Focus and take the shot. That's really it, unless you want to make adjustments. If it doesn't give you a shutter speed, you'll have to look around your camera menus for the green button settings, and set it to Tv shift. Let us know how it goes.

tuggie76 · 04-22-2016, 04:13 PM

Thanks Paul, I tried that, with the on/off switch I get a reading showing me how far out I am, but the green button just shows the scale with no indication of how far out the setting is. I'll have to read the manual some more.

Tuggie76

tuggie76 · 04-23-2016, 07:11 AM

Originally posted by tuggie76

Thanks Paul, I tried that, with the on/off switch I get a reading showing me how far out I am, but the green button just shows the scale with no indication of how far out the setting is. I'll have to read the manual some more.

Tuggie76

O/k, I stayed up all night reading the manual, and could not find any reference to the 'Green Button'. I'm probably missing something, so if any one can point me to it, I'd greatly appreciate it!

Thanks.

Tuggie76

**paulh** · 04-23-2016, 07:47 AM

Did you check the manual index in the back and look for 'green button'? Sorry, I don't have a K3 so I'm not familiar with the camera setup menus. Someone else will be along soon to help - good luck.

tuggie76 · 04-24-2016, 08:24 AM

Originally posted by paulh

Did you check the manual index in the back and look for 'green button'? Sorry, I don't have a K3 so I'm not familiar with the camera setup menus. Someone else will be along soon to help - good luck.

No other responses Paulh, so I took to Google. It appears that I expected the wrong thing from the green button on the K3ii, all it does is set the shutter speed for the light coming into the camera, which it seems to do fairly accurately. In this thread,
K-3 II + Manual Lens + Live View + Green Button = ??? https://www.pentaxforums.com/forums/172-pentax-k-3/299486-k-3-ii-manual-lens-...#ixzz46l095GHe,

I expected a scale to allow me to adjust as I felt, but it adjusts the shutter speed at that time, a further press is required if the light changes.

In av or tv modes the camera sets the correct shutter speed, so I'm good with that.

Thanks for your help.

Tuggie76

**paulh** · 04-24-2016, 08:36 AM

Originally posted by tuggie76

green button on the K3ii, all it does is set the shutter speed for the light coming into the camera,

This is what it's supposed to do. But, if the lens is fully manual (no electrical contacts on the mount), it will only work correctly in M mode. Shooting in any other mode will result in a wide-open shot, (fully open aperture) no matter what aperture you've selected.

You can use the semi-auto modes (Av, Tv, P) if the lens has an "A" setting. These lenses communicate aperture information to the camera - fully manual lenses do not.

tuggie76 · 04-24-2016, 09:29 AM

Originally posted by paulh

This is what it's supposed to do. But, if the lens is fully manual (no electrical contacts on the mount), it will only work correctly in M mode. Shooting in any other mode will result in a wide-open shot, (fully open aperture) no matter what aperture you've selected.

You can use the semi-auto modes (Av, Tv, P) if the lens has an "A" setting. These lenses communicate aperture information to the camera - fully manual lenses do not.

Thanks, it's a totally manual, in av mode the camera sets shutter speed to match exposure which is good enough.

Thanks again, onto the next thing now!

Tuggie76

**paulh** · 04-24-2016, 09:33 AM

Originally posted by tuggie76

Thanks, it's a totally manual, in av mode the camera sets shutter speed to match exposure which is good enough.

Thanks again, onto the next thing now!

Tuggie76

OK, but like I said, in Av mode, you will always be shooting wide open. Not sure that's what you want, but good luck.

tuggie76 · 04-24-2016, 10:26 AM

Originally posted by paulh

OK, but like I said, in Av mode, you will always be shooting wide open. Not sure that's what you want, but good luck.

I don't see that, how can the camera open the lens without any contact?

tuggie76 · 04-24-2016, 11:36 AM

Originally posted by tuggie76

I don't see that, how can the camera open the lens without any contact?

O/k, disregard the last post, I've just tried it and the aperture does go wide open in AV, sorry about that, but I'm a tad confused! So it looks like totally manual with hitting the green button periodically to set shutter speed, trying to hold the on/off switch and adjust exposure is too hard!

Tuggie76

**clackers** · 04-24-2016, 11:55 AM

Originally posted by tuggie76

O/k, disregard the last post, I've just tried it and the aperture does go wide open in AV, sorry about that, but I'm a tad confused! So it looks like totally manual with hitting the green button periodically to set shutter speed, trying to hold the on/off switch and adjust exposure is too hard!

Tuggie76

I like my fully manual K 55 and 28, but by the sound of it you should stick to buying 'A' lenses if you want to use Av mode.

You will find, too, that a P-TTL flash will always fire at full power.

04-22-2016, 01:26 PM	#1
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216	Using a manual lens. After my recent experience with high iso, I discovered I have an old Sears 135mm f2.8 manual lens, which would have been perfect, but I'm a tad confused with how to use it. I've allowed non A aperture settings and I do not get an aperture reading in the top display, but the speed will change if I use AV and manually change the f stop. In M mode there is no indication that I can see that I have the correct exposure, other than checking the histogram after the shot. Is this correct? Thanks again. Tuggie76

04-22-2016, 04:04 PM	#5
paulh Site Supporter Join Date: Sep 2010 Location: DFW Texas/Ventura County, CA Photos: Gallery \| Albums Posts: 33,319	You may have to consult your K3 manual, or it might work out of the box. Try this - put the camera in M mode, go outside in daylight, set aperture to f/8. For starters, manually set the ISO to 100 or 200 (later on you can try auto-iso), compose your shot, press the green button. It should momentarily stop down the lens and get a light reading. It should now give you a correct, or near-correct shutter speed. Focus and take the shot. That's really it, unless you want to make adjustments. If it doesn't give you a shutter speed, you'll have to look around your camera menus for the green button settings, and set it to Tv shift. Let us know how it goes. Last edited by paulh; 04-22-2016 at 04:40 PM.

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04-22-2016, 01:29 PM	#2
paulh Site Supporter Join Date: Sep 2010 Location: DFW Texas/Ventura County, CA Photos: Gallery \| Albums Posts: 33,319	Hi Tuggie. Sticky from the help & troubleshooting section: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/110658-u...x-dslrs-f.html

04-22-2016, 02:45 PM	#3
hcc Pentaxian Join Date: Nov 2009 Location: Brisbane, Australia Photos: Gallery \| Albums Posts: 4,005	Originally posted by paulh Hi Tuggie. Sticky from the help & troubleshooting section: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/110658-u...x-dslrs-f.html +1 with Paulh. Consider to use the Green button in M mode.

04-22-2016, 03:46 PM	#4
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Originally posted by paulh Hi Tuggie. Sticky from the help & troubleshooting section: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/110658-u...x-dslrs-f.html Hi Paul, thanks for the tip, but I can't seem to relate this instruction to my K3ii. If I push the on/off switch past 'on' I get the lightmeter, but it's almost impossible to adjust and hold the switch over! It's probaly me, but I can't make head nor tails of the button settings, there doesn't seem to be a green button listed. 'K-30, K-50, K-500, K-S1, K-S2 and K-01 users: make sure you also set your green button "action in M/TAv Mode" to Tv SHIFT. This is found under the button customization menu (page 3 of the main menu) on the K-01 or as a custom function on the K-30, K-50 and K-500. Also, avoid auto ISO. Read more at: https://www.pentaxforums.com/forums/54-pentax-lens-articles/110657-how-use-meter-manual-m42-lenses-all-pentax-dslrs-k-5-k-r-k-x-k-7-a.html#ixzz46b8MnpSi' Tuggie76 P.S. I never thought Adam sounded like the video.

04-22-2016, 04:13 PM	#6
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Thanks Paul, I tried that, with the on/off switch I get a reading showing me how far out I am, but the green button just shows the scale with no indication of how far out the setting is. I'll have to read the manual some more. Tuggie76

04-23-2016, 07:11 AM	#7
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Originally posted by tuggie76 Thanks Paul, I tried that, with the on/off switch I get a reading showing me how far out I am, but the green button just shows the scale with no indication of how far out the setting is. I'll have to read the manual some more. Tuggie76 O/k, I stayed up all night reading the manual, and could not find any reference to the 'Green Button'. I'm probably missing something, so if any one can point me to it, I'd greatly appreciate it! Thanks. Tuggie76

04-23-2016, 07:47 AM	#8
paulh Site Supporter Join Date: Sep 2010 Location: DFW Texas/Ventura County, CA Photos: Gallery \| Albums Posts: 33,319	Did you check the manual index in the back and look for 'green button'? Sorry, I don't have a K3 so I'm not familiar with the camera setup menus. Someone else will be along soon to help - good luck.

04-24-2016, 08:24 AM	#9
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Originally posted by paulh Did you check the manual index in the back and look for 'green button'? Sorry, I don't have a K3 so I'm not familiar with the camera setup menus. Someone else will be along soon to help - good luck. No other responses Paulh, so I took to Google. It appears that I expected the wrong thing from the green button on the K3ii, all it does is set the shutter speed for the light coming into the camera, which it seems to do fairly accurately. In this thread, K-3 II + Manual Lens + Live View + Green Button = ??? https://www.pentaxforums.com/forums/172-pentax-k-3/299486-k-3-ii-manual-lens-...#ixzz46l095GHe, I expected a scale to allow me to adjust as I felt, but it adjusts the shutter speed at that time, a further press is required if the light changes. In av or tv modes the camera sets the correct shutter speed, so I'm good with that. Thanks for your help. Tuggie76

04-24-2016, 08:36 AM	#10
paulh Site Supporter Join Date: Sep 2010 Location: DFW Texas/Ventura County, CA Photos: Gallery \| Albums Posts: 33,319	Originally posted by tuggie76 green button on the K3ii, all it does is set the shutter speed for the light coming into the camera, This is what it's supposed to do. But, if the lens is fully manual (no electrical contacts on the mount), it will only work correctly in M mode. Shooting in any other mode will result in a wide-open shot, (fully open aperture) no matter what aperture you've selected. You can use the semi-auto modes (Av, Tv, P) if the lens has an "A" setting. These lenses communicate aperture information to the camera - fully manual lenses do not.

04-24-2016, 09:29 AM	#11
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Originally posted by paulh This is what it's supposed to do. But, if the lens is fully manual (no electrical contacts on the mount), it will only work correctly in M mode. Shooting in any other mode will result in a wide-open shot, (fully open aperture) no matter what aperture you've selected. You can use the semi-auto modes (Av, Tv, P) if the lens has an "A" setting. These lenses communicate aperture information to the camera - fully manual lenses do not. Thanks, it's a totally manual, in av mode the camera sets shutter speed to match exposure which is good enough. Thanks again, onto the next thing now! Tuggie76

04-24-2016, 09:33 AM	#12
paulh Site Supporter Join Date: Sep 2010 Location: DFW Texas/Ventura County, CA Photos: Gallery \| Albums Posts: 33,319	Originally posted by tuggie76 Thanks, it's a totally manual, in av mode the camera sets shutter speed to match exposure which is good enough. Thanks again, onto the next thing now! Tuggie76 OK, but like I said, in Av mode, you will always be shooting wide open. Not sure that's what you want, but good luck.

04-24-2016, 10:26 AM	#13
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Originally posted by paulh OK, but like I said, in Av mode, you will always be shooting wide open. Not sure that's what you want, but good luck. I don't see that, how can the camera open the lens without any contact?

04-24-2016, 11:36 AM	#14
tuggie76 Pentaxian Join Date: Oct 2011 Photos: Gallery Posts: 1,216 Original Poster	Originally posted by tuggie76 I don't see that, how can the camera open the lens without any contact? O/k, disregard the last post, I've just tried it and the aperture does go wide open in AV, sorry about that, but I'm a tad confused! So it looks like totally manual with hitting the green button periodically to set shutter speed, trying to hold the on/off switch and adjust exposure is too hard! Tuggie76

04-24-2016, 11:55 AM	#15
clackers Otis Memorial Pentaxian Join Date: Jul 2013 Location: Melbourne Photos: Albums Posts: 16,397	Originally posted by tuggie76 O/k, disregard the last post, I've just tried it and the aperture does go wide open in AV, sorry about that, but I'm a tad confused! So it looks like totally manual with hitting the green button periodically to set shutter speed, trying to hold the on/off switch and adjust exposure is too hard! Tuggie76 I like my fully manual K 55 and 28, but by the sound of it you should stick to buying 'A' lenses if you want to use Av mode. You will find, too, that a P-TTL flash will always fire at full power.

Using a manual lens.

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