On Sat, Feb 16, 2013, Rob Studdert wrote: > On 16 February 2013 01:52, Aahz Maruch <[email protected]> wrote: >> On Fri, Feb 15, 2013, Rob Studdert wrote: >>> >>> When it's a 10-20mm zoom perhaps? >> >> Again, when would you use that instead of e.g. a 14mm? I'm looking for >> specific use-cases, particularly from people who use both zooms and >> primes. > > Well in my case I own many primes and zooms covering the same focal > lengths, what determines the lens that I turn to for any particular > shoot or event is a function of many factors. In its simplest form If > I need flexibility in framing and the ability to change the FL fast > and if the slight loss of speed wont pose a problem due to slower > shutter speeds and if I don't need absolute premium image quality then > I'll reach for the zoom. If I can handle the weight and I a fixed FL > isn't an issue and I want to optimize IQ then I'll often consider a > prime. Of course this is very general, there are many other factors to > consider such as AF speed, propensity to flare, sensitivity to > blooming, CA characteristics, contrast, edge performance, geometric > distortion. It's a complex issue and the only way to keep it simple I > guess is to not buy lenses with overlapping FL and just learn to deal > with each lenses particular limitations. > > Specifically in the case that I mentioned my 10-20/3.5 zoom is > actually a bit smaller and lighter than my FF 14/2.8 lens but both > have their good and bad points so for now I will keep both.
Thanks! That's most of what I was looking for! -- Hugs and backrubs -- I break Rule 6 http://rule6.info/ <*> <*> <*> Help a hearing-impaired person: http://rule6.info/hearing.html -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

