RichC
Well-known
Why this feeding frenzy over the Voigtlander f1.1 lens (or the Noctilux, for that matter)? Compensating for something? Oneupmanship?
What practical advantages does it have over an f1.4 lens, which will generally be cheaper, smaller, perform better, and be plenty fast enough for low light?
I hear cries of "It's a special-purpose lens, for night shooting or shallow depth of field". Yeah, right...!
The f1.1 lens has about a one stop advantage, so you can shoot at a faster shutter speed - big difference <rolls eyes>! Let's be really generous and say that you can reliably and consistently hand hold a 50mm lens at 1/30 s: the f1.1 increases what would've been 1/15 s on an f1.4 lens to your "safe" speed of 1/30 s. So, only in the single circumstance when the exposure is 1/30 s @ f1.1 will you gain an advantage - and how often will that occur...? If there was a two-stop difference, that would be worthwhile - but there isn't...
Instead, brace yourself, breathe properly, use faster film or a higher ISO ... or even a tripod/monopod. Monopod too awkward - try a "string pod": http://www.xs4all.nl/~wiskerke/artikelen/string.html.
Also, night or low-light photography often needs shorter exposures than expected, since the subject (e.g. a singer in a nightclub) is usually significantly brighter than the surroundings - and you should be exposing for the subject if you wish to retain the ambience and emotion. In other words, your bright subject doesn't need f1.1 light-gathering power.
And let's not forget depth of field. Consider subjects at 5, 10 and 20 feet - f1.1 lens gives DOFs of 2, 8.5 and 35 inches, compared with 3, 12 and 50 inches for an f1.4 lens (all for 35mm film). What does that tell us? First, both lenses have DOFs that are so shallow that difference between them pales into insignificance. Secondly, the wide-open DOF is so narrow as to prevent photography unless your subject happens to lie on a single plane! In other words, for most photographs you'll need to stop down, defeating the point of using this fast lens.
I don't even want to think about the narrowness of the DOF on the Leica M8!
The same arguments apply to the Noctilux.
So, Noctilux users, show us the photos that couldn't have been taken with a slower lens... Prospective Nokton f1.1 owners, tell me about those shots you'll be taking that no other lens can capture...
What practical advantages does it have over an f1.4 lens, which will generally be cheaper, smaller, perform better, and be plenty fast enough for low light?
I hear cries of "It's a special-purpose lens, for night shooting or shallow depth of field". Yeah, right...!
The f1.1 lens has about a one stop advantage, so you can shoot at a faster shutter speed - big difference <rolls eyes>! Let's be really generous and say that you can reliably and consistently hand hold a 50mm lens at 1/30 s: the f1.1 increases what would've been 1/15 s on an f1.4 lens to your "safe" speed of 1/30 s. So, only in the single circumstance when the exposure is 1/30 s @ f1.1 will you gain an advantage - and how often will that occur...? If there was a two-stop difference, that would be worthwhile - but there isn't...
Instead, brace yourself, breathe properly, use faster film or a higher ISO ... or even a tripod/monopod. Monopod too awkward - try a "string pod": http://www.xs4all.nl/~wiskerke/artikelen/string.html.
Also, night or low-light photography often needs shorter exposures than expected, since the subject (e.g. a singer in a nightclub) is usually significantly brighter than the surroundings - and you should be exposing for the subject if you wish to retain the ambience and emotion. In other words, your bright subject doesn't need f1.1 light-gathering power.
And let's not forget depth of field. Consider subjects at 5, 10 and 20 feet - f1.1 lens gives DOFs of 2, 8.5 and 35 inches, compared with 3, 12 and 50 inches for an f1.4 lens (all for 35mm film). What does that tell us? First, both lenses have DOFs that are so shallow that difference between them pales into insignificance. Secondly, the wide-open DOF is so narrow as to prevent photography unless your subject happens to lie on a single plane! In other words, for most photographs you'll need to stop down, defeating the point of using this fast lens.
I don't even want to think about the narrowness of the DOF on the Leica M8!
The same arguments apply to the Noctilux.
So, Noctilux users, show us the photos that couldn't have been taken with a slower lens... Prospective Nokton f1.1 owners, tell me about those shots you'll be taking that no other lens can capture...
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