Olympus G.Zuiko Auto-S 40mm f1.4 (Pen-F mount)

**pepperberry farm** · 08-02-2022, 04:11 AM

I picked up this tiny thing a while back and noticed that I had never posted it here:

that's the 40/1.4 on the left, and an Olympus 50/1.4 on the right

this series of lenses were manufactured for Olympus' line of Pen-F half-frame cameras - I am using lens adapted to my Fuji bodies....

**pepperberry farm** · 08-02-2022, 04:12 AM

and this is what she can do

**pepperberry farm** · 08-02-2022, 04:13 AM

**pepperberry farm** · 08-02-2022, 04:13 AM

**pepperberry farm** · 08-02-2022, 04:15 AM

**pepperberry farm** · 08-02-2022, 04:16 AM

**pepperberry farm** · 08-02-2022, 04:16 AM

**pepperberry farm** · 08-02-2022, 04:17 AM

**pepperberry farm** · 08-02-2022, 04:17 AM

**UncleVanya** · 08-02-2022, 04:41 AM - **1 Like**

Those are stellar shots. I never considered the pen-f mount on apsc - what a fun idea. My only current apsc gear is Pentax dslr based. I no longer have m43 either. In mirrorless short flange distance I’m limited to full frame (Sony E). I suspect the Pen-F lenses would struggle on FF?

**pepperberry farm** · 08-02-2022, 05:05 AM

Originally posted by UncleVanya

Those are stellar shots. I never considered the pen-f mount on apsc - what a fun idea. My only current apsc gear is Pentax dslr based. I no longer have m43 either. In mirrorless short flange distance I’m limited to full frame (Sony E). I suspect the Pen-F lenses would struggle on FF?

thank you...

potentially, yes, they are definitely going to vignette on a FF body...

this is my second Pen-F lens - I had the 38mm before, but it was hazy and it had to go ...

**pepperberry farm** · 08-03-2022, 04:13 AM

**pepperberry farm** · 08-03-2022, 04:14 AM

**pepperberry farm** · 08-03-2022, 04:14 AM

**pres589** · 08-03-2022, 09:00 AM - **1 Like**

I just learned that this lens exists a week or so ago. I was really hopeful that it would cover a full frame image circle but that clearly doesn't seem like it would be possible. What do you think of this lens wide open with regard to contrast and sharpness?

08-02-2022, 04:11 AM	#1
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679	Olympus G.Zuiko Auto-S 40mm f1.4 (Pen-F mount) I picked up this tiny thing a while back and noticed that I had never posted it here: that's the 40/1.4 on the left, and an Olympus 50/1.4 on the right this series of lenses were manufactured for Olympus' line of Pen-F half-frame cameras - I am using lens adapted to my Fuji bodies....

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08-02-2022, 04:12 AM	#2
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster	and this is what she can do

08-02-2022, 04:13 AM	#3
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-02-2022, 04:15 AM	#5
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-02-2022, 04:16 AM	#6
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-02-2022, 04:17 AM	#8
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-02-2022, 04:41 AM - 1 Like	#10
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,406	Those are stellar shots. I never considered the pen-f mount on apsc - what a fun idea. My only current apsc gear is Pentax dslr based. I no longer have m43 either. In mirrorless short flange distance I’m limited to full frame (Sony E). I suspect the Pen-F lenses would struggle on FF?

08-02-2022, 05:05 AM	#11
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster	Originally posted by UncleVanya Those are stellar shots. I never considered the pen-f mount on apsc - what a fun idea. My only current apsc gear is Pentax dslr based. I no longer have m43 either. In mirrorless short flange distance I’m limited to full frame (Sony E). I suspect the Pen-F lenses would struggle on FF? thank you... potentially, yes, they are definitely going to vignette on a FF body... this is my second Pen-F lens - I had the 38mm before, but it was hazy and it had to go ...

08-03-2022, 04:13 AM	#12
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-03-2022, 04:14 AM	#13
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-03-2022, 04:14 AM	#14
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,679 Original Poster

08-03-2022, 09:00 AM - 1 Like	#15
pres589 Site Supporter Join Date: Jan 2014 Location: Wichita, KS Photos: Albums Posts: 4,529	I just learned that this lens exists a week or so ago. I was really hopeful that it would cover a full frame image circle but that clearly doesn't seem like it would be possible. What do you think of this lens wide open with regard to contrast and sharpness?