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A bunch of high quality 28mm lenses
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PostPosted: Fri Nov 13, 2015 12:40 pm    Post subject: A bunch of high quality 28mm lenses Reply with quote
I am so looking forward to getting an A7S camera now that the prices are coming down. I have this bunch of 28mm lenses to try out, I wonder which one will be best on full frame.





Maximum aperture
1. Konica Hexanon UC 28/1.9
1. X-Fujinon 28/1.9
1. Vivitar Series 1 28/1.9
2. Olympus Zuiko OM 28/2
3. Contax G 28/2.8
4. Konica Hexanon 28/3.5

Minimum Focus Distance
1. Konica Hexanon UC 28/1.9 - mfd 18cm
2. X-Fujinon 28/1.9 - mfd 30cm
2. Vivitar Series 1 28/1.9 - 30cm
2. Olympus Zuiko OM 28/2 - 30cm
2. Konica Hexanon 28/3.5 - 30cm
3. Contax G 28/2.8 - 50cm

Weight
1. Contax G 28/2.8 - 150g
2. Konica Hexanon 28/3.5 - 215g
3. Olympus Zuiko OM 28/2 - 247g
4. X-Fujinon 28/1.9 - 285g
5. Konica Hexanon UC 28/1.9 - 363g
6. Vivitar Series 1 28/1.9 - 390g

Weight with adapter
1. Contax G 28/2.8, Kipon - 213g
1. Contax G 28/3.5, Metabones - 286g
2. Konica Hexanon 28/3.5, Fotga - 300g
3. Olympus Zuiko OM 28/2, Novoflex - 347g
4. X-Fujinon 28/1.9, Kiwi - 353g
5. Konica Hexanon UC 28/1.9, Fotga - 446g
6. Vivitar Series 1 28/1.9, Minolta Novoflex - 475g

Length with adapter, excluding mount
1. Contax G 28/2.8, Kipon - 40mm
2. Konica Hexanon 28/3.5, Fotga - 65mm
3. Olympus Zuiko OM 28/2, Novoflex - 71mm
4. X-Fujinon 28/1.9, Kiwi - 79mm
5. Konica Hexanon UC 28/1.9, Fotga - 85mm
6. Vivitar Series 1 28/1.9, Minolta Novoflex - 88mm

Last edited by Pontus on Sat Nov 14, 2015 7:32 pm; edited 13 times in total


PostPosted: Fri Nov 13, 2015 1:08 pm    Post subject: Reply with quote
It would be better go for the A7RII if you want to know who is the best. Wink


PostPosted: Fri Nov 13, 2015 2:40 pm    Post subject: Reply with quote
calvin83 wrote:
It would be better go for the A7RII if you want to know who is the best. Wink


Not really, there is much more to a lens than just the resolution.


PostPosted: Fri Nov 13, 2015 2:51 pm    Post subject: Reply with quote
iangreenhalgh1 wrote:
calvin83 wrote:
It would be better go for the A7RII if you want to know who is the best. Wink


Not really, there is much more to a lens than just the resolution.


I think these lenses are all sharp enough and that they should all outresolve the A7S. The A7RII would be great and those small differences in sharpness would be easy to demonstrate. But I tend to agree with Ian, especially when it comes to a ff camera there are many factors to consider such as vignetting, distorsion, colour and micro-contrast.

But yes, I would choose the A7RII over the A7S if it wasn't for the 2000 euro price difference.


PostPosted: Fri Nov 13, 2015 3:07 pm    Post subject: Reply with quote
I look forward to seeing the results. Only one of them I have is the Hexanon 3.5/28 and it's imho, superb (exact same version as yours).

It's much easier to find a great 35 than a great 28, in my experience. Best I have are the Hexanon 3.5/28, Minolta Rokkor-SG 3.5/28, Mamiya SX 2.8/28, Minolta AF 2.8/28 and X-Fujinon 3.5/28.


PostPosted: Fri Nov 13, 2015 3:12 pm    Post subject: Reply with quote
I would think that the Hexanon 1.8/28 and the Fujinon 1.9/28 play an important role in the challenge.


PostPosted: Fri Nov 13, 2015 7:25 pm    Post subject: Reply with quote
Like 1 small

Envious collection of great 28s! Only missing one I can think of is the Pentax K 28 f/3.5.

I only have the Hexanon 28 f/3.5 from your group. I also think it's a superb 28mm.


PostPosted: Fri Nov 13, 2015 7:28 pm    Post subject: Reply with quote
Also missing is the Contax Hollywood and the 28/2.8 Distagon

Last edited by Pontus on Fri Nov 13, 2015 9:22 pm; edited 1 time in total


PostPosted: Fri Nov 13, 2015 7:37 pm    Post subject: Reply with quote
Whoo Turtle Happy Dog


PostPosted: Fri Nov 13, 2015 9:15 pm    Post subject: Reply with quote
WNG555 wrote:
Only missing one I can think of is the Pentax K 28 f/3.5.


Pontus wrote:
Also missing is the Contax Hollywood and the 28/2.8


The above two posts suggest to me that one very important one missing is the Pentax K 28/2 "Distagon"/"Hollywood".

Also, I have been finding that I like the Vivitar (Komine) 28/2 Close Focus better than the VS1 (Tokina) 28/1.9.


PostPosted: Fri Nov 13, 2015 9:47 pm    Post subject: Reply with quote
You are missing shift 28: Pentax shift 28/3.5 and nikon PC 28/3.5.

The Biogon will give color shift with A7r.
Distagon 28/2 and Pentax K 28/2 both have similar rending.

Distagon 28/2 has the size of a 100mm lens, while Distagon 28/2.8 is relatively small.


PostPosted: Sat Nov 14, 2015 12:04 am    Post subject: Reply with quote
The G Biogon does indeed gice colour cast on both the A7r and A7ii, and corners aren't great on the A7r. The C/Y Distagon (f2.Cool was better: less colour cast and better corners.

I guess this is a rangefinder v SLR performance issue.

As mentioned, the A7rII might be best since the sensor performance has be upgraded to handle RF lens performance.


PostPosted: Sat Nov 14, 2015 1:50 am    Post subject: Reply with quote
hoanpham wrote:

Distagon 28/2 and Pentax K 28/2 both have similar rending.
Distagon 28/2 has the size of a 100mm lens, [...]


The K 28/2 is also quite large -- in fact it's both longer and heavier than the separate Pentax K 120/2.8 and Pentax M 120/2.8 lenses (although all three lenses and many others have the same diameter).


PostPosted: Sat Nov 14, 2015 4:46 am    Post subject: Reply with quote
Interesting story about the Pentax: http://www.eoshd.com/2013/07/60-pentax-lens-thats-actually-a-800-zeiss-by-designer-of-stanley-kubricks-nasa-glass/


PostPosted: Sat Nov 14, 2015 5:04 am    Post subject: Reply with quote
I'll be very interested to see which is the best Smile

Real world, the FE 28/2 is not very expensive and will out-perform any film 28 on the A7s or any A7, though it is not at the level of the 25/2 Batis.

If you mod the sensor, then these 28s would do very very well on the A7s.mod

Regardless, with the stock A7s all should look very good in the center of the image, and edges may come in equidistant to the center by f/8

If you really want to see, shoot a long infinity landscape from a hill and make sure you have at least one detailed and distant corner. Smile


PostPosted: Sat Nov 14, 2015 6:06 am    Post subject: Reply with quote
Pontus wrote:
Interesting story about the Pentax: http://www.eoshd.com/2013/07/60-pentax-lens-thats-actually-a-800-zeiss-by-designer-of-stanley-kubricks-nasa-glass/

60-200$ sounds too cheap for pentax k 28/2. I hunted this lens for years, never seen this price. perhaps just a lucky bargain.


PostPosted: Sat Nov 14, 2015 7:55 am    Post subject: Reply with quote
I bet a Schneider Super-Cinelux 2/28 would give the Hollywood Distagon a run for it's money. The Cinelux can be had for 60 bucks. I don't have one but I do have a 2/30 Super Cinelux, it's amazing.


PostPosted: Sat Nov 14, 2015 2:09 pm    Post subject: Reply with quote
hoanpham wrote:

Pontus wrote:
Interesting story about the Pentax: http://www.eoshd.com/2013/07/60-pentax-lens-thats-actually-a-800-zeiss-by-designer-of-stanley-kubricks-nasa-glass/

60-200$ sounds too cheap for pentax k 28/2. I hunted this lens for years, never seen this price. perhaps just a lucky bargain.

Yeah -- I never could figure where the "$60" came from (in an article from 2013). Perhaps it's the original "street" price from the late 1970's (?).

In any event, the current price for an excellent copy is well over an order of magnitude greater than that.

There is one "Pentax 28 F2 SMC K RARE ZEISS Collaboration Lens" on eBay right now - http://www.ebay.com/itm/-/131650886814 - that has a BIN price of $425, and it's not only, in the words of the seller, "a shooter's lens" (or, as one member of the Pentax Forums descriptively put it, "Looks like it was ridden hard and put away wet"), it's also been sadly crippled to use on FF Canon bodies (having had its aperture lever rudely ground off) -- and you get all that for your $425.


PostPosted: Sat Nov 14, 2015 5:28 pm    Post subject: Reply with quote
I'm adding lens data to my first post.
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