Originally posted by gaweidert The water from the geysers and hot springs has lots of minerals dissolved in it. If it gets on your lens and dries it will leave a deposit behind. If your lens does not have some sort of filter over the front element, just be aware of which way the breeze is blowing and keep your hand over the front of the lens as you pass through it. No geyser showers either.
There is a trail that goes up in the hills behind Grand Prismatic Springs. Never open in May when I am there due to bear activity. About 1.5 miles each direction but you will get a shot of the springs that most people will never. There is also a trail to an overlook for the Old Faithful area. Not that long and a pretty easy climb. I did it in 2017 at age 66 with a pulled calf muscle. Great place to get a shot of Old Faithful in all her glory.
I read about the trail behind Grand Prismatic Spring. I believe it's a branch off the Fairy Falls Trail. Did not know about the trail behind Old Faithfull. Still need to do a lot more research. Thanks.
---------- Post added 07-25-19 at 02:38 PM ----------
This is the camera/lens kit I think I've settled on for this trip.
Pentax K50
Pentax K70
Pentax DA 16-45mm
Pentax D FA 28-105mm
Pentax DA 55-300mm PLM
Pentax DA* 300mm
Pentax DA 1.4x Teleconverter
Batteries, Tripod, filters and all other accessories
I won't carry all of it all the time. Just pull out what I think I'll need for the area or situation. I'll take with me, in a separate bag the DA 18-55mm, A-28mm, and DA 55-300mm (old version) for that just in case moment if it should happen, but hopefully I won't need them. I anticipate using the D FA 28-105mm the most. I really like that lens on a crop sensor.
Does this look right to all of you?