The 250mm will give you the longest reach while the short zoom lenses will allow you to crop with the viewfinder. The choice is up to you, but for myself I prefer to crop before I take the photograph. Consider buying both and promise to keep the expenses down for a few months after the vacation [my choice if I were you, since Death Valley is not around the corner and your chances of visiting again are small.]
Remember to got to Zabriskie Point and Ubehebe Crater.
Check for closures do to the recent rain.
I have the 100-220, and it's an excellent lens, but weighs a ton. If you have a tripod to match and don't mind the weight, I'd say go for it. Find yourself a 1.4x PE teleconverter and you'll also have a 300mm as well. There are also Schneider zooms for the ETR series, but I've never owned one. One is a 125-250mm ƒ5.6, KEH has one for sale now, and Schneider is high on my list of great lens makers, but I've never heard anything on these and am hesitant to take a $350 gamble.
The longer lenses for Bronica systems don't seem to be in as much demand and can be inexpensive (actually I think this is true for other MF systems as well, possibly because the long focal lengths are less useful for the lens-adapter users). Anyway KEH has a 200/4.5 in EX for $135 right now, for example. Were it me I would probably rather carry a short lens and a long lens than a huge lens like the zoom (which I have never seen in the flesh).
Another issue IMO is that the Bronica long lenses are relatively slow due to the #0 shutter restriction. Fine to use by themselves, but once you put a teleconverter on them they may be a little too slow.
I would definitly not use a 2x teleconverter since you'll lose two stops of light and on a f3.5 lens the split prism will almost certainly go dark. the 1.4x loses one stop of light. You can test the sensitivity of the split prism by stopping the lens close to one or two stops down. Round 3.5 to 4 for simplicity, one stop lost would be f5.6 two stops would be f8. So stop down, then pull the stop down lever on the lens, and look to see if the split prism goes black.
My original ETRSi didn't have any focusing aids on the glass, so I learned a technique where you overshoot focus--near, far, near, far, etc--and each time you try to over shoot a little less. That still how I shoot my GS-1 since I don't have a split prims on that one.
The zoom is an amazing lens, weights about the same as a microwave oven.. I had one and managed to unload it before the crash. Paid 2K sold for $1600
There's a couple on the bay, from Jaoan, mint, with nylon case, delivered to USA for $410. For that it would be fun to just buy to look at. Tamron designed these zooms.
I got rid of all my Bronica SQ-Ai and ETRSi stuff, wonderful cameras.
I got to handle the 100-220 at BH Photo! It's a chunker but its not toooo bad for operating mostly out of my car...
if it doesn't blackout at 5.6 then the 1.4 may be useful. The other thing you can do , rather than just pegging it at infinity is to make up a chart of the hyperfocal distance at each aperture (I'm not sure how the teleconvertor affects all of that, but make sure you take it into account) and use the distance scale on the lens to focus just past that distance. That would allow you to get as much in focus as possible.
I got a deal on a PE 2X TC and I'm happy to report the split prism is not blacked out.
nice. This is on the 150mm ƒ3.5? Thats effectivly ƒ7.1.
I'm looking for a teleconvertor for a Bronica EC-TL. The lenses I have up to 150mm are nice and compact, but everything larger is huge. I don't use TCs all that often, but they can be useful when you have limited space and weight.
nice! I'm glad it worked out. The ETR series are great, underrated cameras.
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