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Messages - neuroanatomist

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6271
Software & Accessories / Re: Good GND filter to go with new Lee system
« on: February 28, 2013, 02:25:26 PM »
According to this site, there are 0.9 and even 1.2 gradual ND glass filters from Schneider. They seem to be 4mm thick and two of them can be mounted on a Lee holder.

http://www.2filter.com/schneider/SCHNEIDER44filterholder.html

I don't know how much this information can be trusted, but I figure it is worth mentioning.

Yes, Schneider Optics has an excellent selection of glass grad NDs.  If you look at their MPTV line (motion picture television) they've got even more. 

Just to clarify, though - the 'Lee holder' mentioned on the 2filter page is not the holder the OP has.  Lee collaborated with Schneider to make a filter for their glass plates that holds two 4mm filters.  The Lee Foundation Kit is different, designed to hold three 2mm filters.

6272
Lenses / Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« on: February 28, 2013, 02:19:06 PM »
Why do you want a petal hood? Just get the ET-60 that's designed for it...

The EW-63II might fit, it's designed for the 28 f/1.8 (among others) which shares the 58mm filter threads, so it should be close in size. Won't be as useful, since it's not really deep enough though. That's probably the closest you'll get... or just take the ET-60 and cut it to a petal shape if it's that important.

No, the EW-63II won't fit - the number in the hood designates the mount diameter for the hood itself, and a hood with a 63mm diameter hood won't fit on a lens that's got a 60mm hood mount.

As stated, just get the ET-60 or a knock-off version of the same.

6273
Software & Accessories / Re: Backpack Suggestion
« on: February 28, 2013, 01:10:27 PM »
Lowepro Flipside 300...

6274
Lenses / Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« on: February 28, 2013, 12:19:41 PM »
Can you tell me which petal hood to get?

It doesn't take a petal hood, those are generally for wide angle lenses.  The compatible hood is the ET-60.

6275
Software & Accessories / Re: Good GND filter to go with new Lee system
« on: February 28, 2013, 12:03:49 PM »
FYI, Lee also make glass filters for their system; I believe that they are made to order.

But those are solid NDs, not graduated.  AFAIK, Schneider (and now their subsidiary, B+W) are the only ones the make grad NDs in glass.

Is 3 stop really necessary NA? I live in a perennially sunny part of California where a ND is required for landscape shots, I'm getting good results with a 1 & 2.

It's not really about how much knockdown you need overall, but rather the exposure difference between sky and ground.  Most of the time, that's in the 2-3 stop range (often higher).  I can see combining a grad ND with the Big Stopper, for example, to achieve a long exposure but also allow more of the scene DR to be captured.

6276
Lenses / Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« on: February 28, 2013, 12:00:03 PM »
No need to wait, I'd not expect an update.  The last 'update' wasn't really one, either - same lens optically, just some cosmetic changes to make production a little cheaper for Canon, and addition of an automatic panning detection algorithm for the IS system.

6277
Third Party Manufacturers / Re: Good TripodHead
« on: February 28, 2013, 11:50:00 AM »
...but a lever release is a non-starter -- a disaster waiting to happen, really

What, you think having thousands of dollars in gear swinging from a clamp with a lever release sticking out, just waiting to catch on clothing or a tree branch and send that gear crashing to the ground is a bad idea?!?   :P  I wouldn't use a lever-release clamp for a BR+Arca solution even if it were given to me for free...

6278
Software & Accessories / Re: Good GND filter to go with new Lee system
« on: February 28, 2013, 09:04:43 AM »
[quote author=FunPhotons link=topic=13250.msg238314#msg238314 date=
So the question is would it be better to get three Lee resin filters, or one glass B&W filter for a bit more? I'm inclined to just get the B&W.
[/quote]

If the B+W was a 3-stop, I'd be inclined to just get it. I don't see much need for a 1-stop, and while the 1- and 2-stop filters could be stacked for 3 stops (after waiting perhaps several weeks for the 2-stop to be available), that's a very expensive way to get a 3-stop grad ND...

6279
Software & Accessories / Re: Good GND filter to go with new Lee system
« on: February 28, 2013, 08:58:39 AM »
The B+W filter is glass, like the excellent ND grads from B+W's parent company, Schneider Optics.  The specs of the filter you link don't say, but the Schneider filters are 4mm thick, vs. the 2mm thickness of the resin filters from Lee, Singh-Ray, etc.  If you go the glass filter route, you'll need the Lee 4mm side guides (for which reviews are mixed), not sure if you can use more than one filter at a time.

I found this link

http://aifo.se/pdf/BWF_Graduated_ND_100x150.pdf

Which says it is 2mm

Excellent, and good to know - thanks!  I'm in a similar boat - have the WA adapter rings for 77mm and 82mm, foundation kit is en route from B&H (after being out of stock, as usual).  Now, I just need to pick filters.  Was planning on Lee, but with the B+W being 2mm it's worth a thought. The MRC coating is nice.   Then again, they only come on 1- and 2-stop densities (I'll want a 3-stop), and no option for hard vs. soft edge.   More choices with Lee.

I'm not a fan of Singh-Ray - I don't like a filter maker that doesn't publish transmission curves, and who won't say if their filters are uncoated or single coated, but say multicoating has negligible benefit 'outweighed by several disadvantages' with no elaboration (which is BS - the only 'disadvantage' I can see to multicoating is that it would cost more to produce and reduce their profit margin).  But I'm considering a reverse grad ND, and for that Singh-Ray and HiTech seem to be the only games in town...

6280
Lenses / Re: Best Value "Normal" Lens for 6d?
« on: February 28, 2013, 06:36:37 AM »
then lens tip must also have  been unlucky and got a bad copy of the 50/1.2 compared to 50/1.4 and sharpness.

Well, silly me...I thought that overall IQ was about more than just sharpness. I guess since that's easy to measure (relatively), we pay more attention to it.  And yes, the edges of the 50L aren't sharp. You want the center soft, too, try the 50/1.0L.  But an f/1.8 portrait with a busy background is going to look better with the 50/1.2L than with the 50/1.4 (and possibly even better with the 50/1.0L).  No question that the 50/1.4 is a better value.  But heck, if sharpness per $/£/€/¥ is your most important criterion in choosing a 50mm prime, the 50/1.8 II is much better than the 50/1.4. 

6281
Software & Accessories / Re: Good GND filter to go with new Lee system
« on: February 27, 2013, 09:56:59 PM »
The B+W filter is glass, like the excellent ND grads from B+W's parent company, Schneider Optics.  The specs of the filter you link don't say, but the Schneider filters are 4mm thick, vs. the 2mm thickness of the resin filters from Lee, Singh-Ray, etc.  If you go the glass filter route, you'll need the Lee 4mm side guides (for which reviews are mixed), not sure if you can use more than one filter at a time.

6282
Third Party Manufacturers / Re: Good TripodHead
« on: February 27, 2013, 08:27:08 PM »
Kirk QRC-1 is what you're thinking of...I have a couple.  The RRS clamp with the flat bottom is pretty new - the older one has metal 'nubs' on the bottom so the BR lug doesn't sit flush. I called RRS about it, since the nubby clamp was pictured in their website with a BR strap attached. Their advice is usually reliable and helpful, but in this case their suggestions were to either 'mash the rubber washer down onto the nubs' or 'just file them off'.  :o  I bought the Kirk clamp instead.

6283
Lenses / Re: Best Value "Normal" Lens for 6d?
« on: February 27, 2013, 07:28:53 PM »
sharper, realy

http://www.wlcastleman.com/equip/reviews/50mm_1.2L/index.htm and the TDP comparison that TrumpetPower linked.

But probably some copy variation issues.  Roger Cicala (lensrentals.com) tested multiple copies, and it's basically a wash in terms of sharpness based on his results.

Regardless, the two key points are:

  • The 50L is an excellent (but expensive) portrait lens, optimized for better bokeh and sacrificing some other aspects of optical performance to achieve that creamy bokeh
  • Stating that the only differences between the f/1.4 and f/1.2L lenses are build quality and cost is an oversimplification

6284
PowerShot / Re: P&S - Faster lens or bigger sensor?
« on: February 27, 2013, 06:06:57 PM »
Personally, I'd get the S100 over the S110 - the improvements were marginal, IMO (unlike the S100 vs. the S95).

If I were to replace my S100 today, it would be with a Sony RX100 - same form factor with an even bigger sensor.

6285
PowerShot / Re: P&S - Faster lens or bigger sensor?
« on: February 27, 2013, 05:03:19 PM »
Bigger sensor would be the better choice, IMO.

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