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8 votes
4 answers
3k views

Why is Nikon 1.4g better when Nikon 1.8g is sharper?

I am new to photography (just 3 to 4 months of experience) and I am looking to buy a new lens (either 35mm or 50mm, but mostly 35mm because I have already decided Sigma 85mm f/1.4 DG HSM Art Lens for ...
Prem Ramman's user avatar
0 votes
1 answer
659 views

Panasonic Lumix G 42.5mm F/1.2 vs Panasonic Lumix G 42.5mm f/1.7 ASPH Power O.I.S

How much of a difference these two lenses will make in photo quality and what will be the difference? I am a newbie in photo and I am looking to invest in a nice lens for 4/3 that has max features in ...
YohanRoth's user avatar
  • 143
0 votes
3 answers
2k views

Canon 70-200 f/4 L still sharp at wide open?

It recently came to my attention that lenses rarely perform at it's best when wide open. Is this the case with the Canon 70-200 f/4 L? Will I lose IQ by shooting at f/4 or should I shoot at 7.1 to be ...
Tindra's user avatar
  • 812
1 vote
2 answers
356 views

How does Rokinon 24mm f/1.4 image quality compare between f/1.4 and stopped-down to f/4?

I have a Rokinon 14mm f/2.8 lens that I use as my go to for dark sky imaging with my full frame camera and it is amazing. However, I just bought a Rokinon 24mm f/1.4 lens for my crop sensor camera so ...
Jon's user avatar
  • 407
18 votes
5 answers
3k views

How do I find the aperture that produces the highest-quality images for a given lens?

I'm not talking about large aperture (f/1.8, f/2.8...), rather, about small apertures (f/18, f/20, f/23...). I read somewhere (actually I think it was on this site, but I don't exactly remember which ...
Frantisek's user avatar
  • 2,683