Txauditr wrote:
...Can you tell me what you like best about your tripod and what would you advise someone to buy ( key features to consider ) who uses a Nikon 7100 with various lenses
Carbon fiber is not only lighter, it also is nicer to handle than metal in cold weather. And... probably most importantly... CF absorbs fine vibrations that metal would tend to transmit. A few years ago, carbon fiber was only available from limited manufacturers and tended to be pretty expensive. Now it's available from nearly every manufacturer and costs have come way down. If considering carbon fiber, do some research on the specific brand and model, though. There are different quality grades of CF, it's a bit tricky to work with, and some manufacturers simply do it better than others.
I look for
as few leg sections as possible, yet practical. A three-section leg doesn't fold up as compactly, but the diameter of its smallest leg section is larger than with legs with 4, 5 or more sections. Plus fewer joints just tend to be stabler, as well as faster to set up. OTOH, one or two-section legs just don't fold up small enough to be convenient to haul around. Three-section seems about right and are mostly what I use, though I do have one four-section tripod, too. Someone else may want a tripod with more sections, to be more compact for air travel and use with relatively lightweight gear. Or they might want fewer for use with especially heavy gear in-studio or if they usually don't need to hand carry the tripod very for for their shoots.
If at all possible, get a tripod with
no center column. It's another thing that can reduce stability a lot, particularly if you have to raise it a lot to have adequate work height. Two of my four tripods don't have any, but the other two do have center columns. However both 'pods with columns are tall enough without raising the column, so it's rarely needed and doesn't compromise stability much. Plus, the heavier one that I use in-studio has a geared column that's securely cross-braced to the legs. The field tripod I've set up with a "rapid" center column is taller than me even without the column extended. I wanted the column on that tripod to be able to reverse it for low angle shooting, such as macro.
Without any center column or with one that's not extended, look for a tripod that's
tall enough to be comfortable and won't force you to stoop down to shoot. Keep in mind that the head and the camera itself, plus a leveling platform if you use one, all add to the overall height and ideally put the viewfinder at your eye level when standing.
Also, look at the
weight ratings of any tripod you're considering. Most better manufacturers provide that info. The rating for the legs has to accommodate both the tripod head and the heaviest lens/camera/accessories combination you might put on it, plus I'd recommend some significant margin for safety. The head should have a more-than-adequate weight rating, too.
I use a
leveling platform on three of my four tripods. Those go between the head and the leg set, adding a little height and some significant weight. A leveler on my studio tripod makes for very fine adjustment when needed... And that whole rig is on a dolly anyway, so the weight doesn't bother me. On two of my field tripods the leveling platforms make for much faster setup than trying to perfectly adjust legs individually on uneven ground. Both of those I often use with gimbal heads, where a level base is quite important. It's also necessary for panorama shooting and some other techniques. So, for me the 1 lb. or so of additional weight from the leveling platform is outweighed by it's benefits.
I use heavy duty
ballheads on two of my field tripods and have an accessory
gimbal adapter so that either of them can also be set up specifically for large telephoto lenses. My third field tripod has a full size
gimbal head on it, so is pretty much dedicated to large telephoto use only. My studio tripod has a
pan/tilt head.
There are a number of types and variations of tripod heads to choose among... Might be a good idea to go to a store and try out different types, to see what you prefer. In the field I like ballheads that don't have protruding handles to catch on branches and cuffs. In a studio, I prefer a pan/tilt, with it's separate movements. To get more exactly what you want in each, you can buy leg sets and heads separately (nearly all use the same 3/8" mounting screw, for easy interchangeability). OTOH, there might be some savings buying a combo, if you can find one that meets your needs well.
All three of my field tripods have
"twist" type leg locks. Those are low profile and largely self-adjusting, pretty much fool-proof except that you have to be a little careful about dirt and water getting into them. I prefer these over protruding "lever" type or "thumbscrew" type locks, both of which can catch on branches, etc., or a cuff or sleeve when carrying or working around them. The lever type are faster to set up, but tend to wear and may need adjustment or occasional repair. The thumbscrew type might vibrate loose and, unless secured in some way, fall out... leaving you totally screwed (pun intended).
Some people do find the twist type locks a little tricky at first... The sections need to be loosened, extended and re-tightened in a particular order (largest first), as well as taking some care not to over-tighten. It becomes second nature to do it in the correct order pretty quickly. And, some newer models have an "anti-rotation" leg design that isn't entirely round in cross-section, to solve this relatively minor issue.
All my tripod heads, lenses with tripod mounting collars, camera bodies and various accessories are compatible with or set up with
Arca-Swiss type quick release platforms, plates, etc. It's the best and most universal quick release system, used by many manufacturers now. It's also pretty much required when using any sort of gimbal mounting, because it's about the only type of QR system that can be adjusted slightly to fine tune the balance of a large lens and camera on the gimbal. I use those a lot, so it's the only QR system that will work for me.
I've got
LegCoats on at least one leg of all three of my field tripods, which makes them a bit more pleasant to carry slung over a shoulder for any distance.
All of my tripods are also from reputible, long-term manufacturers, so
spare parts are pretty easily available if ever needed for any reason.
Finally, for longer treks, as well as safer storage, I have and also recommend a good fitting
tripod bag, especially for field and travel rigs. This might be even more important with carbon fiber than metal tripods, because while it's quite tough and strong in certain ways, CF can be damaged more easily than metal in other ways.