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Forum: Photographic Industry and Professionals
03-17-2021, 08:30 AM
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These are great references, thanks for sharing!
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Forum: Pentax SLR Lens Discussion
03-17-2021, 08:28 AM
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So far when I've included end years for a lens family in the legend, it's because I've found a primary source (like Canon's Camera Museum) which defines a year range. In the absence of a primary source, what you suggest sounds reasonable to me, especially as that seems to be the approach Canon has taken in their Camera Museum (as seen in the previous link).
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Forum: Pentax SLR Lens Discussion
03-15-2021, 08:15 AM
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I like your categorization for the Pentax K mount, and I also agree that the terms "modern", "legacy", and "vintage" can be nebulous at times, kind of like determining when a movie becomes a "classic".
One announcement I have is that I've got a beta version of the site up and running with some new features, including Work-In-Progress explanatory legends for the color-coded "Lens Styles". You can see the Pentax K DB page here: Pentax K Lens Database | Aperturepedia. Below is the current WIP legend text for the Pentax K page. If anyone has improvements, I would gladly welcome them.
And thanks for calling out the Aperturepedia User Survey! Survey responses have been limited so far, but I'm hoping with more visibility it will provide some helpful user feedback that I can use to focus the direction of future work on Aperturepedia.
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Forum: Pentax SLR Lens Discussion
10-20-2020, 07:32 AM
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This is extremely helpful, thank you so much Baard-Einar! Let me know if/how you'd like to be credited on the site!
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Forum: Pentax SLR Lens Discussion
10-15-2020, 09:19 AM
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Excellent, thanks Tim! Let me know by which name you'd like me to credit you in the "Notes" section for that lens.
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Forum: Pentax SLR Lens Discussion
10-14-2020, 08:35 AM
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Forum: Pentax SLR Lens Discussion
10-12-2020, 08:02 AM
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Hey Angerdan, that's a great question and one that I should address on the home page of Aperturepedia. Here's what I had written for the Github code repo's README when I was starting the project:
 Quote: Criteria for lens inclusion:- Lens must designed for full-frame film SLR cameras (rangefinder & medium format lenses may be added after 35mm lens data is complete)
- Lenses must be manufactured or branded by the camera manufacturer (Minolta, Nikon, etc). No 3rd party lenses for now.
- Only manual focus lenses will be included for now due to their greater adaptability to modern mirrorless cameras.
- Lenses must have been made in the 20th century (aka "vintage").
- Lens systems are generally prioritized by popularity and availability of reference data.
Some of these may sound arbitrary, but the idea to create Aperturepedia came from my experience as a Sony mirrorless shooter who realized vintage lenses could allow me to finally afford to move past shooting with my camera's kit lens. I have a habit of over-researching potential purchases, so when investigating which lenses to build a collection from, I dove down a year-plus long rabbit hole which quickly moved from the first page of Google results to obscure hobby pages and long-dead Geocities sites resurrected by the Internet Archive, along with foreign-language lens review sites which I browsed with the help of Google Translate.
I know I'm hardly the first nor the last person to make this realization, and so I wanted to create a resource to help other mirrorless shooters who aren't tied down by a particular film-era mount to discover & compare vintage glass across systems while also providing a valuable reference (including repair guides!) for dedicated film system shooters.
For the mirrorless crowd, I wanted to emphasize lenses which were relatively affordable to their modern counterparts, often with superior build quality. I also decided quickly that I wanted to emphasize manual focus lenses, as they could be used on a wide range of mirrorless and many analog systems as long as a "dumb" adapter existed. With AF lenses, that changes as many AF lenses require an electronic connection with the camera body and are therefore less versatile except when used in manual focus mode.
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Forum: Pentax SLR Lens Discussion
10-11-2020, 09:20 AM
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Nice, I've gotten some feedback about adding support for Fujica's M42 & X-mount lenses. This will be helpful in making that happen. Thank you!
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Forum: Pentax SLR Lens Discussion
10-09-2020, 07:29 PM
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Yeah, unfortunately that's a side effect of the dynamic DOM layout I built for the Lens Database pages, where the table takes up 100% of the excess viewport height not used by the rest of the page content above it.
Thanks! I'll check them out and get started on research. And thanks for the request, when it comes to adding new systems or features for this project "the squeaky wheel gets the grease" as they say.
Thanks for the feedback! You touched on a point that I've been trying to figure out for a while now. I was a fan of how Dennis Lohmann (MINOLTA Manual Lens List) used color-coding to easily distinguish between different versions of the same Minolta lens (MC-I, MC-II, MC-X, MD-I, MD-II, MD-III, plus the AR and Celtics). I found that was useful for me, but it was a challenge trying to adapt that principle for other lens systems which weren't always as consistent (*cough* Olympus OM). I still think that color-coding for different versions of the same lens is useful, but perhaps a more subtle/less headache-inducing color palette may be the way to go here. The trick is I want to use a color palette that also supports various forms of color-blindness as well (I want Aperturepedia to be accessible for everyone)
But I'm also realizing that perhaps not everyone wants colors, even if they're more subtle, so I do like the compromise to toggle B&W vs colored themes, and I'll investigate how to best incorporate that into the site. Unfortunately Aperturepedia's not robust enough yet to preserve your preferences, but perhaps down the line I can implement a localstorage or cookie-based method for saving a user's preferred "theme".
Funny you should mentions mikeno62, I just found his YouTube account the other day while looking for new links and had bookmarked him to integrate links to all his lens repair videos into the site.
Thanks for adding those Nikon links, I'll be sure to add them. The LensScore site is an intriguing resource, esp with their novel approach to quantifying Bokeh "scores", but I'm focusing on vintage manual focus lenses for this project and it doesn't look like they include any in their ratings.
Weird, thanks for checking that out.
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Forum: Pentax SLR Lens Discussion
10-09-2020, 04:15 PM
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Thanks for the feedback! Which lens row(s) has the bad link? I checked the 50mm f1.4 MC & MD's, but their links to MINOLTA'S f1.4 NORMAL LENSES seem to go through despite the linked subclub.org page showing some broken images. (Unless you mean I should use "www" rather than their naked domain)
As you can imagine manual QA testing the data for this site has been fun.
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Forum: Pentax SLR Lens Discussion
10-09-2020, 02:59 PM
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Hey all,
I'm a web engineer who was laid off for a bit this past spring due to COVID, and used that time to create https://aperturepedia.com, a new lens reference site which I wanted to share with you all. My goal here was to create a free resource with long-term support for referencing and comparing specs for most vintage first-party SLR camera lenses, as well as a repository for helpful links to other sites which may not immediately come up in Google, or Wayback Machine-cached dead sites (RIP Geocities).
Right now the site includes OEM lens tables for the following systems:
- Pentax K
- Pentax M42
- Pentax M37
- Minolta SR
- Nikon F
- Canon FD
- Olympus OM
- Konica AR
Each lens table features expandable rows with more info and helpful links to other sites including reviews, repair guides, & more source material for each lens. The site itself is open source, anyone interested in checking out the source code can do so here: GitHub - nklein1/aperturepedia: Guide to first-party vintage SLR lenses
I've been following PentaxForums among other camera forums for a while, ever since I inherited my grandmother's Minolta XE-7 and discovered I could also adapt her Rokkor lenses on my Sony A7II. I found Dennis Lohmann's lens reference table (www.minolta.eazypix.de/lenses) extremely useful while I was investigating how to expand my Minolta lens collection, but wished that similarly comprehensive lens tables existed for other systems so that I could compare lenses at a glance.
As the site's still in its infancy, I wanted to reach out to you all to see if you had any thoughts about new features, information, or corrections which would make it more useful, or are interested in collaborating. I'm also actively seeking more links to add to the "Helpful Links" pages I've created for each system.
Hope you find it useful!
Nick
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