https://www.personal-view.com/talks/categories/lenses/p52/feed.rss Wed, 29 May 24 21:39:27 +0000 Lenses en-CA https://www.personal-view.com/talks/discussion/1439/lens-genealogy- Sun, 13 Nov 2011 07:53:01 +0000 Vitaliy_Kiselev 1439@/talks/discussions


http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1



http://www.lensrentals.com/blog/2011/09/lens-genealogy-part-2]]> https://www.personal-view.com/talks/discussion/1411/ultra-wide-lens-on-mft Thu, 10 Nov 2011 08:18:52 +0000 Luc 1411@/talks/discussions I know that there are many C mount lenses for 1/2" sensors. But the cheap & good ones are very rare..
I really would love to go ultra wide on MFT!!!
]]> https://www.personal-view.com/talks/discussion/1337/cine-lenses-and-gh2 Wed, 02 Nov 2011 19:29:40 +0000 RRRR 1337@/talks/discussions I'm curious as to your experiences with the gh2 and cine lenses?

Experiences of individual lenses (on other cameras) will also do nicely, as long as we're talking cine lenses.]]> https://www.personal-view.com/talks/discussion/1115/35mm-rokinon-light-reflection-due-to-uv-filter Wed, 05 Oct 2011 23:43:48 +0000 Tommyboy 1115@/talks/discussions How can I avoid it in the future? Can I remove it in post? Just point me in the right direction so I can educate myself.

]]> https://www.personal-view.com/talks/discussion/1347/35mm-f2-mir-24n-nikon-mount-arsenal- Thu, 03 Nov 2011 11:55:09 +0000 Jspatz 1347@/talks/discussions https://www.personal-view.com/talks/discussion/1329/gh2-can-i-change-lens-during-recording Tue, 01 Nov 2011 22:19:12 +0000 paralion 1329@/talks/discussions I am using panasonic AND third party lenses. (minolta AF, canon fd)]]> https://www.personal-view.com/talks/discussion/415/pancakes-lumix-g-20mm-1.7-and-wide-angle-adapter-lens-impact- Mon, 18 Jul 2011 14:20:31 +0000 feha 415@/talks/discussions with wide-angle adapters , Canon, Nikon etc ...
As I have seen some videos using 20mm 1.7 + Nikon NH-WM75 (0.75)
This would make it 14mm wide-angle i think ...
The problem is wide-angle adapters are very heavy and auto focus have a moving body with filter thread ...
Have anyone tried and how risky is to damage the tiny motor or gears inside 20mm ?

]]> https://www.personal-view.com/talks/discussion/1327/video-focal-lengths Tue, 01 Nov 2011 13:53:09 +0000 stoney 1327@/talks/discussions
I'd use a tripod or a shoulder rig to go longer focal length without OIS unless jacking up the shutter speed.

OIS isn't a magic though. With handheld, I think OIS is effective up to 50mm for m43 zooms at 1/60 SS. 14-42, 14-45, 14-42X, 14-50 (43 lens) are all good. Longer than that would require a tripod or a shoulder rig. Suppose software image stabilization doubles the useable focal lengths. Then 100mm seems the maximum focal length for handheld. Panasonic 12-35X and 35-100X at f2.8 or faster would be great, but $$$$. I’d prefer 14-100X f4 around $1K. ]]> https://www.personal-view.com/talks/discussion/1219/olympus-ed-lenses-on-gh2 Wed, 19 Oct 2011 14:30:49 +0000 simensito 1219@/talks/discussions
Olympus Zuiko Digital:
14-54mm 2.8-3.5
50mm 2.0 Macro ED
50-200mm 2.8-3.5 ED

I already have:
Sigma 30mm 1.4
Nikkor 18-70 3.5-5.6
Panasonic 14-140 3.5-5.6

Not a big fan of zooms I have found out tho.

Hope anyone could give some advice!
Thanks
]]> https://www.personal-view.com/talks/discussion/1302/vintage-yashica-lens-a-mini-guide Fri, 28 Oct 2011 11:44:56 +0000 LongJohnSilver 1302@/talks/discussions An old mini-guide (January 1982) on Yashca lenses in italian language automagically translated with google.

From the introduction:

Finding second hand Yashica lenses can still be a viable solution for those who own a Yashica or Contax without the need for commercial lenses often of poor quality. Since I was lucky enough to use them and try, I wrote these brief notes that can serve as convenient GUIDE FOR PURCHASE and help you choose and buy the most interesting targets (and avoid the worst).

If it were not for the anti-reflective coating (a much more modest but in line with that of the competition today is not the best) often made ​​it difficult to distinguish these from the corresponding old Yashica Zeiss objectives. A quality / price unbeatable. The best targets are those initialed ML while the DSB are the old economic series (in my opinion to let it go). The MC are the most recent economic compact lens whose characteristics are almost proportional to the price (to avoid).

http://bit.ly/sG83TC

Bye]]> https://www.personal-view.com/talks/discussion/1299/pmc-super-paragon-lenses Fri, 28 Oct 2011 11:07:50 +0000 LongJohnSilver 1299@/talks/discussions
I found several lenses sold as PMC Super Paragon. They come with different mounts: yashica, pentax...
I'm interested in a 80-200 f3.8

I have not been able to find anything about them.

Quality?]]> https://www.personal-view.com/talks/discussion/1249/25mm-f1.4-leica-summilux-d-four-thirds- Sat, 22 Oct 2011 16:57:27 +0000 feha 1249@/talks/discussions is there any difference or I'm wrong ?
Have anyone experience with this lens ?]]> https://www.personal-view.com/talks/discussion/1257/17mm-35mm-equivalent-lack-of-such-lenses Mon, 24 Oct 2011 04:59:10 +0000 Elenion 1257@/talks/discussions The M43 cameras suit perfectly the needs of street shooters and photojournalists, because of their size and iq and 35mm is their favourite focal lenght.
An ep-3 with a 17,5 f1.4 would be the first choice for many professionists all over the world. I know that we have the olympus 17 2,8 but on the m43 platform this lens is really too slow.
What do you think?]]> https://www.personal-view.com/talks/discussion/1239/diy-anamorphic-lens Fri, 21 Oct 2011 09:13:31 +0000 lolo 1239@/talks/discussions
http://www.zuggsoft.com/theater/prism.htm


wich is a DIY version of this:

http://www.google.com/products/catalog?q=anamorphic+lens&hl=en&safe=off&client=safari&rls=en&prmd=imvnsl&resnum=3&um=1&ie=UTF-8&tbm=shop&cid=13391610980519609452&sa=X&ei=H5ZuTqKrF9O4tgfLprTOBQ&ved=0CE4Q8wIwAA#ps-sellers


has anyone tried to put an anamorphic lens for a proyector into a camera lens?
]]> https://www.personal-view.com/talks/discussion/1203/help-with-optex-1.33x-anamorphic-lens Mon, 17 Oct 2011 21:19:52 +0000 kikis 1203@/talks/discussions https://www.personal-view.com/talks/discussion/1191/vertical-band-on-right-of-footage. Sat, 15 Oct 2011 12:04:49 +0000 rockfall 1191@/talks/discussions
I've got this issue, with a dark band on footage. Shot on stock GH2 with a Tamron lens and a Nikon adapter, I don't have a pana lens
to try so I don't know if it happens with those.

Has anyone experienced this?

Cheers

Tony
]]> https://www.personal-view.com/talks/discussion/1171/leica-dg-summilux-25mm-11.4-asph.-micro-43-lens Thu, 13 Oct 2011 08:48:05 +0000 ishvar 1171@/talks/discussions ]]> https://www.personal-view.com/talks/discussion/662/help-with-soligorgeneric-1.33-anamorphic-lens. Sat, 13 Aug 2011 08:52:33 +0000 Gabel 662@/talks/discussions Sharpness seems ok, especially with stuff at a distance. But this thing needs a diopter which brings me to my second point.

That damn lens hood! Firstly I'm a matte box user and that thing gets in the way. Secondly, it won't take filters. So I need to get a solution to this.
One is to get a new front, if these exist (the front says called DC-S HOOD 72mm).
The other is to remove the hood. Here was a guide on how to remove one from a Nikon lens and I'm guessing this technique would work here too though.

But it won't take filters. As I have yet to find any 4X4 diopters (I hear Tiffen makes them, but haven't been able to find them), but if these exist, this would work great.
Otherwise I could try to fit a filter holder on the front. The area around the lens is recessed as you can see, which I think could work to mount a step ring to get a filter gear.
But would it work to mount a diopter behind the lens? Then I could just get a 52mm one that I could mount in between the anamorphic lens and my lenses. This would mean I won't have to mount a step ring.]]> https://www.personal-view.com/talks/discussion/85/info-about-goyo-lenses Fri, 13 May 2011 16:49:37 +0000 Vitaliy_Kiselev 85@/talks/discussions http://www.goyooptical.com/products/industrial/magapixel.html

Just got some approximate pricing info and availability info (if someone is interested).

GMHR61220MCN 59,000YEN
GMHR61620MCN 56,750YEN
GMHR62520MCN 51,500YEN
GMHR63520MCN 50,000YEN
GMHR65020MCN 49,250YEN

Availability : July



]]> https://www.personal-view.com/talks/discussion/1105/panasonic-lenses-and-varifocal-correction Wed, 05 Oct 2011 10:11:28 +0000 Vitaliy_Kiselev 1105@/talks/discussions
Here is more details.
Panasonic zoom lenses, if they are electrically connected to body, readjust focus dynamically to compensate their varifocal nature.
Making lens look like parfocal.

What I am interested at is systematic and scientific tests of this thing on different lenses and bodies.]]> https://www.personal-view.com/talks/discussion/1095/internal-lens-correction-softwarefirmware Mon, 03 Oct 2011 12:21:46 +0000 wardas 1095@/talks/discussions
When using 3rd party legacy lenses that have no electrical connection to the GH2, what is the status of the lens correction firmwarein the GH2? Is the lens correction firmware active/activated only when a m4/3 lens is used, or is in on all the time? A second question, if the lens correction firmware is on all the time, can it be turned off with the HACK? ]]> https://www.personal-view.com/talks/discussion/1026/pannys-x-lenses-not-endorsed-by-leica Sun, 25 Sep 2011 12:11:16 +0000 LPowell 1026@/talks/discussions http://www.bjp-online.com/british-journal-of-photography/news/2104725/panasonic-goes-lenses

...and last time I checked, there was no microscopically engraved "eica" after the L in "Lumix".]]> https://www.personal-view.com/talks/discussion/949/fast-zoom-lenses-f2.8-for-podium Thu, 15 Sep 2011 08:40:13 +0000 Jspatz 949@/talks/discussions Tokina 28-70 2.8
Tamron 28-75 2.8
Nikon 35-70 2.8
I currently only have an FD adapter so I will need to figure out if I should get the Nikon or Pentax versions in the case of the Tokina or Tamron.
I already have the Olympus 35-100 f2 but may not use it because of transportation logistics.

Also, would some version of a C-mount be usable in this application?

Any other suggestions, thoughts or shared experiences would be much appreciated.]]> https://www.personal-view.com/talks/discussion/537/nikon-nikkor-mf-ai-50mm-f1.4 Fri, 29 Jul 2011 14:10:49 +0000 Butt 537@/talks/discussions ]]> https://www.personal-view.com/talks/discussion/936/lens-firmware-updates-8-14-14-42-100-300 Tue, 13 Sep 2011 03:33:16 +0000 lenuisible 936@/talks/discussions http://panasonic.jp/support/global/cs/dsc/download/fts/index2.html

8, 14 :
- Reduced sound of auto focusing in video recording.

14-42, 100-300 :
- Enhanced stability of O.I.S.(Optical Image Stabilizer) in video recording.
- Reduced sound of auto focusing in video recording.

]]> https://www.personal-view.com/talks/discussion/610/hacked-my-lomo-anamorphic Sat, 06 Aug 2011 17:44:58 +0000 LPowell 610@/talks/discussions
The only fly in the ointment was a common affliction found in lenses that have survived years of abuse: fungus :( HHL told me about it before I bought the Lomo, so it came as no surprise, and at first I didn't see any visible effects on my footage. After some practice with anamorphic double-focusing, however, I started to notice the subtle milky spots produced by the fungus stains. Bummer.

Soon after I received the Lomo, I tried to take off the front lens plate to see how it was put together. Predictably, there was just one little screw out of the eight that would not budge, dissuading me from going any further. This morning, however, I finally resolved to force my way into the Lomo's inner sanctum, and pried up the lid until the wretched screw head broke off. This exposed the thick front anamorphic lens element, which was wedged in place with a few metal shims. After coaxing these out, the front element compliantly dropped into my palm, along with the fleeting scent of decades-old lubricant. Success!

To disinfect the Lomo's interior realms, I mixed up some Butanone spiked with a dash of Stolichnaya vodka. This made its anamorphic parts glisten appreciatively. After it's reassembled, I'll put up some frame grabs.]]> https://www.personal-view.com/talks/discussion/915/8mm-bolex-lenses Sun, 11 Sep 2011 00:22:44 +0000 B3Guy 915@/talks/discussions
Thanks.]]> https://www.personal-view.com/talks/discussion/642/fast-lens-for-low-light-and-general-purpose- Wed, 10 Aug 2011 13:13:41 +0000 bartolomeo 642@/talks/discussions I have got only the 14-140mm lens at the moment. Which lenses for low light situations and general purpose would you recommend? Something i could buy on ebay with international shipping option would be great.

A other q. did someone find out if there is any way to keep the aperture of the 14-140 lens locked while zooming in or out.

Thanks a lot and enjoy whatever you are doing

---

See also
http://www.personal-view.com/talks/discussion/93/fast-and-ultra-fast-lenses-discussion]]> https://www.personal-view.com/talks/discussion/93/fast-and-ultra-fast-lenses-discussion Sun, 15 May 2011 07:54:06 +0000 Vitaliy_Kiselev 93@/talks/discussions
So, I am making this topic and add small bits of my expirience

Note! Only F1.4 and faster lenses are discussed here. Exceptions being fastest lenses in their focal ranges (like ultrawide and telephoto).

My own expirience is not very big.
While I like my Samyang 85mm F1.4, I rarely use it wide open.
My tests with various F1.2 and F1.4 50mm lenses showed that I really do not need them and do not like their quality in open state.
Sigma 30mm F1.4 is also not for me. I'll try to test Samyang 35mm F1.4 soon and hope that it'll be more suitable.
I do not own Nokton 25mm F0.95 and do not have any intention to have it. Looking at reviews it is fine lens, but it have many similar things with AF100 - same heavy marketing trying to sold pricey lens to people who do not need it. I can only prise PR department of Cosina sending amazing amount of lenses to bloggers and leading shooters for review. Many companies need to learn from it.]]> https://www.personal-view.com/talks/discussion/813/question-to-anamorphic-fans Tue, 30 Aug 2011 13:48:40 +0000 Vitaliy_Kiselev 813@/talks/discussions
May be some other features, like aspect overlays, etc?]]>