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**GUB** · 02-08-2023, 03:07 AM

Originally posted by Michael Piziak

I'm awaiting the lens in the mail. It appears the copy I bought doesn't have a lens hood and I'm a little difficulty googling to find the size I need to buy.

Can anyone help me determine the size of lens hood I need for this lens please - (?)

Addendum: The review on this site says "Lens hood: metal (screw in 84/86 mm)" - that seems a little odd to have a 84/86mm size, can someone explain the 2 numbers ?

Read that as 84 or 86mm. But other sites have a model @ 95mm including a Sigma site so you need to wait and see. My one is 86mm.

Michael Piziak · 02-08-2023, 02:30 PM

Originally posted by GUB

Read that as 84 or 86mm. But other sites have a model @ 95mm including a Sigma site so you need to wait and see. My one is 86mm.

Yeh, I emailed Sigma and got this confusing reply,

"
MichaelThank you for contacting us, that lens does not have a lens hood.Best,[signature_692838628]Marc FarbTech Rep/Photographer| SIGMA Corporation of America<http://sigmaphoto.com/>15 Fleetwood Court | Ronkonkoma, NY 11779TEL: 516-659-0497 | FAX: 631.585.1895"

So I replied back and asked, "So does this lens have threads for a lens hood ?"

I'm sure it does, but I think the representative was just trying to dismiss my question without trying to look it up...

**mlag** · 02-09-2023, 03:15 PM

Originally posted by Michael Piziak

The Sigma only has one aperture (F8), so are you suggesting to put it in that mode and select F8 ? I'm confused. With my M (manual) Pentax lens, I used the green button method - is it possible to use the green button method with this lens (or maybe not since it can't stop down since it only has one aperture - ?)...

Green button works also, but Tav makes sense as the ’A’perture is fix f8. Then shutter and ISO become automatic. ISO should be a range, but tends to increase quickly.
I have also modified my rear dial settings to control not the aperture but ISO manually ( so I can control noise level better) and verify resulting automatic shutter time in viewfinder (you need 1/500 or faster on this focal length) and stored this setup in one user mode for mirrorlenses. Especially in low light conditions I prefer to control ISO manually.

02-08-2023, 02:30 PM	#32
Michael Piziak Closed Account Join Date: Dec 2013 Location: West Virginia Posts: 2,815 Original Poster	Originally posted by GUB Read that as 84 or 86mm. But other sites have a model @ 95mm including a Sigma site so you need to wait and see. My one is 86mm. Yeh, I emailed Sigma and got this confusing reply, " MichaelThank you for contacting us, that lens does not have a lens hood.Best,[signature_692838628]Marc FarbTech Rep/Photographer\| SIGMA Corporation of America<http://sigmaphoto.com/>15 Fleetwood Court \| Ronkonkoma, NY 11779TEL: 516-659-0497 \| FAX: 631.585.1895" So I replied back and asked, "So does this lens have threads for a lens hood ?" I'm sure it does, but I think the representative was just trying to dismiss my question without trying to look it up... Last edited by Michael Piziak; 02-08-2023 at 02:36 PM.

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02-08-2023, 03:07 AM	#31
GUB Loyal Site Supporter Join Date: Aug 2012 Location: Wanganui Photos: Gallery \| Albums Posts: 5,760	Originally posted by Michael Piziak I'm awaiting the lens in the mail. It appears the copy I bought doesn't have a lens hood and I'm a little difficulty googling to find the size I need to buy. Can anyone help me determine the size of lens hood I need for this lens please - (?) Addendum: The review on this site says "Lens hood: metal (screw in 84/86 mm)" - that seems a little odd to have a 84/86mm size, can someone explain the 2 numbers ? Read that as 84 or 86mm. But other sites have a model @ 95mm including a Sigma site so you need to wait and see. My one is 86mm.

02-09-2023, 03:15 PM	#33
mlag Loyal Site Supporter Join Date: Jul 2021 Location: Zuiderkempen - Grote Netewoud - Belgium Photos: Gallery \| Albums Posts: 1,412	Originally posted by Michael Piziak The Sigma only has one aperture (F8), so are you suggesting to put it in that mode and select F8 ? I'm confused. With my M (manual) Pentax lens, I used the green button method - is it possible to use the green button method with this lens (or maybe not since it can't stop down since it only has one aperture - ?)... Green button works also, but Tav makes sense as the ’A’perture is fix f8. Then shutter and ISO become automatic. ISO should be a range, but tends to increase quickly. I have also modified my rear dial settings to control not the aperture but ISO manually ( so I can control noise level better) and verify resulting automatic shutter time in viewfinder (you need 1/500 or faster on this focal length) and stored this setup in one user mode for mirrorlenses. Especially in low light conditions I prefer to control ISO manually.

Sigma prime 600mm reflex lens vs. Pentax 400-600 reflex lens at 600mm

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