Colorplan P2 90mm vs ERA-7 105mm

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Colorplan P2 90mm vs ERA-7 105mm

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kds315*

Joined: 12 Mar 2008
Posts: 16627
Location: Weinheim, Germany

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Posted: Sat Apr 02, 2016 9:35 am Post subject: Colorplan P2 90mm vs ERA-7 105mm

kds315* wrote: 100% crop, shot from my house... Colorplan P2 is supposed to be one of the sharpest projection lenses ever.. Overview: _________________ Klaus - Admin "S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)] http://www.macrolenses.de for macro and special lens info http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info https://www.flickr.com/photos/kds315/albums my albums using various lenses http://photographyoftheinvisibleworld.blogspot.com/ my UV BLOG http://www.travelmeetsfood.com/blog Food + Travel BLOG https://galeriafotografia.com Architecture + Drone photography Currently most FAV lens(es): X80QF f3.2/80mm Hypergon f11/26mm ELCAN UV f5.6/52mm Zeiss UV-Planar f4/60mm Zeiss UV-Planar f2/62mm Lomo Ð£Ñ„Ð°Ñ€-12 f2.5/41mm Lomo Ð—ÑƒÑ„Ð°Ñ€-2 f4.0/350mm Lomo ZIKAR-1A f1.2/100mm Nikon UV Nikkor f4.5/105mm Zeiss UV-Sonnar f4.3/105mm CERCO UV-VIS-NIR f1.8/45mm CERCO UV-VIS-NIR f4.1/94mm CERCO UV-VIS-NIR f2.8/100mm Steinheil Quarzobjektiv f1.8/50mm Pentax Quartz Takumar f3.5/85mm Carl Zeiss Jena UV-Objektiv f4/60mm NYE OPTICAL Lyman-Alpha II f1.1/90mm NYE OPTICAL Lyman-Alpha I f2.8/200mm COASTAL OPTICS f4/60mm UV-VIS-IR Apo COASTAL OPTICS f4.5/105mm UV-Micro-Apo Pentax Ultra-Achromatic Takumar f4.5/85mm Pentax Ultra-Achromatic Takumar f5.6/300mm Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm Last edited by kds315* on Sat Apr 02, 2016 9:40 am; edited 1 time in total

TrueLoveOne

Joined: 30 Sep 2012
Posts: 1839
Location: Netherlands

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Expire: 2013-12-24

Posted: Sat Apr 02, 2016 9:40 am Post subject: Re: Colorplan P2 90mm vs ERA-7 105mm

TrueLoveOne wrote:

kds315* wrote:

Colorplan P2 is supposed to be one of the sharpest projection lenses ever..

Well, i guess it just got beaten!
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My Flickr photostream: http://www.flickr.com/photos/chantalrene/

Sony A7, Canon 5D mkII, Minolta 7D + RD3000 and some more.....
Minolta and Konica collector.... slowly selling all the other stuff!

Ultrapix

Level 3

Joined: 06 Jan 2012
Posts: 566
Location: Italy

Posted: Sat Apr 02, 2016 8:33 pm Post subject:

Ultrapix wrote: It looks to me that the background is way sharper in the Colorplan pic, are you sure about correct focusing on both?

iangreenhalgh1

Joined: 18 Mar 2011
Posts: 15679

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Expire: 2014-01-07

Posted: Sun Apr 03, 2016 2:05 am Post subject: Re: Colorplan P2 90mm vs ERA-7 105mm

iangreenhalgh1 wrote:

kds315* wrote:

Colorplan P2 is supposed to be one of the sharpest projection lenses ever..

According to who exactly?

It's a consumer lens, there are a lot of professional grade projection lenses that are much higher specification.

Try something like a Schneider Cinelux 2/90 to see how good top end projection lenses are.
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