Thomas902 wrote:
The most compelling reason for "Fast" glass is the ability to use a 2X teleconverter and still be able to use AF with it...
Consumer optics in the 300mm plus range average f/5.6 wide open.
Which limits choices of Tele-Converters to 1.4 (with an effective f/8 aperture wide open)
Even most Pro bodies will only have cross-type Phase Detect AF sensors functional... typically either a cluster in the center or a horizontal row...
I actually have used the Kenko 1.4x TelePlus PRO 300 DGX successfully with the AF 70-210mm f/4 Nikkor. However my AF 70-210mm f/4-5.6D Nikkor is an epic fail... It refuses to AF on my D810 at any FL even with f/4 showing at shorter FL's.
For those who actually shoot commercial Sports/Action, there are other far more subtle reasons that deal with fast glass... In my case the ability to "Lock" and track soccer players as they move erratically on the pitch. This shows up in keepers versus throwaways... My AF-S 200-500mm f/5.6 while seemingly easy to shoot with is no match for my AF 300mm f/2.8 which consistently yields well over twice as many publication-quality actual captures. Yes, two stops of "Speed" is four times as much light for the AF system to work with... And that is pivotal for locking focus and tracking
For commercial Sports/Action, this is HUGE!
I've experienced the same issue repeatedly shooting indoor events or in failing light at dusk.
Weddings are brutally unforgiving... your technique must be by reflex, zero time to "chimp"
My AF 85mm f/1.4D pays the bills for events... And there is no substitute for Speedlight expertise. The primary difference between an "enthusiast" and a Professional (i.e. commercial shooter) is Speedlight finesse. Here glass isn't relevant and OS, IS or VR is useless for fast-moving event action.
Hope this helps...
But after reading many of the comments in this thread I seriously doubt it will...
Sad that virtually all commercial shooters have left UHH... Oh well...
The most compelling reason for "Fast" gl... (
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All makes sense but your last paragraph strikes a note and does make me sad. When I first joined the forum, I wrote, not in a boastful and bragging way, that I am a professional photographer. I immediately encountered a few "who do you think you are" kinda responses. I sensed a resentment toward commercial photographers. Perha still exists around here?
Perha man of the professional fleed someof the nonsense that goes down around here- not that there's no-nonsense and some "crazy" politics among professionals in their own organizations. It happens. Professional jealousy can be rough stuff but good, clean, friendly competition is healthy as is good sincere debates.
The absence of pros is a loss to the community. It is not that professional/commercial shooters are sons or kids of the "elite" groups or the ultimate gurus. It's just that workg professionals need to get things done in methodical, effective, efficient, and cost-effective ways and are requr to come up with good results on time. This precludes all the nonsense and there s a lot to be learned from this philosophy.
A lot of this protracted and ongoing argument about EQUIPMET CHOICES could be shortened and concluded to a better understanding by underrated the "professional" approach. Not every photographer has the same vision, interpretation, and specialty. Each has its own toolbox based on the work they do and the way they do it. If a photogher does more diversified work he or she will have a more diversified toolbox. For E.g. You don't need an ultra-fast lens to shoot the preverbal "black cat in a coal mine at midnight" if you can employ Speedlight or multiple flashes BUT what if there's flammable dust or gas in the coal mine? Out comes the fast glass and possibly the noisy high ISO. Sure enough, you can freeze sports action with the strobe- unless it is prohibited at the event.
Times change: Years ago "PRESS" photographers used press cameras- big-bulky, flash-equipped large-format film cameras with normal or moderately wide-angle lenses. At VIP political events, the photographic press pool had closer access to political leaders and celebrities. They could work in close proximity to those folks- even after the assassination of JFK and RFK. After the assassination attempt on President Ragen, everything changed. Oftetimes the press photographers were literally placed in a "cage-like area or barricaded somewhere far away. So, most press shoots carried several very long and very fast telephoto lenses. Well, the guy who took a shot at Ragen was not a photographer but it's easier to restrict photographers than real assassins.
In portraiture and some fashion, fast glass can be important in background management- "bokeh" and selective focus do not come in at f/22 and possibly not enough at f 3.5 either.
The point is different strokes for differet folks in different situations. Professional shooters can't go by "trends" as to what's hot and what's not in the equipment reviews- they need to select the gear according to their actual requirements.
In my other toolbox, the one with hammers, wrenches, and screwdrivers. I have a sledgehammer, a ball-peen hammer, several claw hammers, a small hammer for picture-framing tasks, a rubber mallet, a wooden mallet, and even a tiny precision hammer I inherited from my grandfather (a watchmaker). You gotta use the right tool for the job at hand and since I don't break up concrete- I don't have a jackhammer!
My "professional" advice is not to "collect" lenses just to have them or say you have them but acquire the ones you need to do the work you do or aspire to.