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Discussion in 'Native Lenses' started by RT_Panther, Aug 20, 2012.
Micro 4/3rds Photography: Number of aperture blades
Amongst our native MFT lenses, I believe only the two Voigtlanders have more than 9 blades (they have 10). They do produce eye catching star shaped flares in night shots.
Not sure what the author means by "sealed," but other than lenses for the Nikonos I know of none that are truly "sealed," as in air and water tight. Even the best weather-sealed lenses admit air.
are you sure about that?. Im just asking not being ironic whatsoever, because i know that the P20 has only 7blades and it also produces those "star shaped flares"in night shots...heres an example of a shot i did last week https://www.mu-43.com/f56/auckland-long-exp-panorama-pixel-peepers-more-than-welcome-31625/ im interested in knowing/reading more about this...so i would appreciate your comments. :smile:
If your lens has odd number of aperture blades, the number of rays are double that and if it has an even number of aperture blades, it's equal to the number of blades.
here's a sample of star shaped flare from voigtlander 25mm f0.95
What Hanamichitensai posted in his cropped shot is pretty much it. The Lumix flare is fuzzier and more rounded, but you can see the Voigtlander's is clearly defined. Hanamichitensai: you're based in S'pore?
its not only the number, but the shape of them. circular aperture blades are more effective in smoothing out bokeh than straight blades. they create a circular aperture up to f4 or f5.6 usually, and if you're shooting above that, bokeh doesn't matter anyway.
The 25mm Voigtlander produces the nicest bokeh of any m43 lens I've used and I think I've owned all of them at one point or another (new Oly 75mm not included). Subjective stuff though.
OT: yup, living here for 4 years. have you been to the gardens?
I have a couple of high blade lenses. That newest one I got has 20 or 21. I only counted 20 but someone posted somewhere that it has 21. It's an obscure lens. I had never heard of it before and only bought it because it had so many blades to do a bokeh test.
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