Minolta MD Rokkor 35-70mm f/3.5

in Reviews: Lenses
By uccemebug/Michael (1,983) Send mail to this user on December 11, 2002 2:49:30 PM CST

Before
Overview
Features
Performance
Conclusion

Before


A portrait shot on the streets of Toronto, taken with Rokkor 35-70mm lens


Before I start with my review: a brief history for some perspective.

In early 2001, I was living and working in Sydney, Australia. I had the (dangerous) habit of wandering into the camera store across from my office on the odd lunch-break. One day, I found the 35-70mm Rokkor lens under the display counter in the used section.

The 35-70mm seemed like an interesting replacement for two lenses I already had: a 55mm and a 28mm wide angle. I had spent ten years with just those two lenses, and they had always proven useful. But I had been growing increasingly tired of switching them constantly.

But I had reason for pause. When I first got my camera (as a gift), it had come with a 70-210mm zoom telephoto lens. I had found the lens to be quite dark while framing shots, even at the widest aparture. I'd also been unimpressed with the build quality and the quality of the shots I'd made with it. The results were always muddied and flat. I'd come to the conclusion that Minolta zoom lenses were to be avoided.

I had a look, anyway. And I was immediately impressed with its quality.

Just by tinkering with it in the store I quickly realized that it was a far cry from the inferior 70-210mm lens I'd had. Viewing was quite bright, and the controls were smooth, tight, and steady. I was also impressed by the lens's ability to zoom while staying focussed. After nearly tens years of frequently switching between two fixed lenses, the usefulness of this lens struck me immediately.

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Overview


Shot taken with 35-70mm Rokkor lens reverse-mounted for macro effect (wood carving is also my original work)


lens origins
The Rokkor 35-70mm f/3.5 lens from Minolta was made during the 80's for the manufacturer's line of manual cameras. It is an all-metal lens featuring: constant aperture during zoom; a dedicated zoom ring and a wide 'one-touch' focus/zoom ring with a smooth action; a 55mm accessory ring and a secondary accessory ring for a hood.

performance
I have used it to take consistently sharp, well-contrasted, and distortion-free shots for over two years. While lens flare can be a problem (the front group is almost flush with the accessory ring), I have found the lens to be a joy to use and the results extremely pleasing.

physical factor
In two+ years since purchasing this camera, I’ve never noticed any sign of wear, other than the paint bearing a few tiny scratches and some "brassing" around the front rim of the lens. This despite the likelihood that my lens was over ten years old when I bought it (I’ve read newsgroup reports that indicate that the model was discontinued in the late 80’s or early 90’s).
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Features


A wide-angle shot of Calgary, Alberta taken with Rokkor 35-70mm lens


features overview
This is a quick list of the features of this lens.
  • focal length range of 35-70mm
  • aperture range of f/3.5-f/22
  • constant-aperture zoom
  • remains focussed while zooming
  • fixed maximum aperture of f/3.5
  • all-metal construction
  • aperture adjustment ring
  • dedicated zoom ring
  • 'one-touch' zoom/focus ring
  • minimum focal distance of just under 1m
  • 55mm accessory thread diameter
  • knobby control rings great for tactile response and control
  • bredth of focus/zoom 'one-touch' ring is pleasing
  • second accessory thread (presumably for things such as lens hood?)
dimensions
These figures come from an excellent summary of Minolta's MD lenses by Paul van Soest.
  • 8 elements in 7 groups
  • weight 355g
  • minimum focal distance 1m
  • angle of view 63°-34°
There were a number of models produced by Minolta that are quite similar to the one I'm writing about here. Identifying features of this model are:
  • constant-aperture, fixed-focus zoom
  • absense of macro button
  • green lettering for the 'ft', white lettering for 'm' on focus ring
[update: 2002/12/18]
The manualminolta review of this lens suggests that its high quality led Leica to introduce it 'as the Leitz Vario-Elmar R 35-70 f3.5'
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Performance


Two women cross a bridge in Vancouver's east end


I've been very pleased with the photos I've taken with this lens; my portfolio consists mostly of shots I took with this one lens. The photo above was taken on a bridge constructed of textured flooring and a cage of bars and fencing. The slight moire on the floor of the bridge was introduced by JPEG compression (to keep the size down, this one was saved at roughly 50% quality!) Below is a quick summary of its performance.

pros
  • reasonably bright at a fixed f/3.5 maximum aperture
  • its sharpness seems to be on par with fixed
  • remains focussed while zooming
  • constant maximum aperture of f/3.5
  • 55mm accessory diameter means accessories are common
  • comfortable grips for focus ring and focal length ring
  • smooth, sure feel to controls
  • fairly light at 355g
  • no drift of controls once set (as can occur in heavier lenses)
  • inexpensive (mine cost $AUD300 in Sydney, which at the time was roughly $US160 - I have read of more recent purchases in the newsgroup for ~90 euros!)
  • all-metal construction
  • seems to function quite well in very cold weather, without any introduced slip in the rings (unlike other zoom lenses I have used)
cons
  • lack of a retractable hood (though secondary accessory ring exists, presumably to mount such hoods)
  • more lens flare while pointing near the Sun than with some lenses I've used
  • lens flare also possible while being used with reversing ring for macro effect and lens extended to the '35mm' position (though this use obviously wasn't a purpose for which the lens was designed)
  • relatively limited zoom range
  • limited wide-angle at 35mm
  • some vignetting at 35mm with two accessories attached (e.g. a polariser and a UV filter)
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Conclusion

I managed to replace two fixed lenses with this 35-70mm zoom, and have been happy with it in all respects. It has its limitations (notably its limited zoom range), but when if I'm heading out with my camera, it's the lens I invariably choose. I like its versatility, dependability and performance, and recommend it to owners of Minolta manual-focus cameras that take MD lenses.
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From wattaphotosig/Wattanapol (0) Send mail to this user on March 12, 2007 9:37:38 PM CDT

Thank you for your review. It is very usefull.

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From stanhope/Bob (1,473) Send mail to this user on October 24, 2010 8:28:04 PM CDT

You must've acquired a damaged example of the 70-210 zoom. The MD version I have is sharp and nicely contrasty. It has a constant aperture of f4. Best of all, it has the "look" of the best Minolta glass.

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