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SMC Pentax 80-200mm F4.5

Reviews Views Date of last review
6 31,174 Sun July 8, 2012
Recommended By Average Price Average User Rating
100% of reviewers $75.00 7.80
SMC Pentax 80-200mm F4.5

SMC Pentax 80-200mm F4.5
SMC Pentax 80-200mm F4.5

The SMC Pentax K 80-200mm is a manual telephoto zoom lens with a constant aperture of F4.5. It was later re-issued as an smc Pentax-M lens.

SMC Pentax 80-200mm F4.5
©, sharable with attribution
Image Format
Full-frame / 35mm film
Lens Mount
Pentax K
Aperture Ring
Yes (no A setting)
Automatic, 8 blades
15 elements, 12 groups
Mount Variant
Check camera compatibility
Max. Aperture
Min. Aperture
Min. Focus
160 cm
Max. Magnification
Filter Size
52 mm
Internal Focus
Field of View (Diag. / Horiz.)

APS-C: 20-8.2 ° / 17-6.9 °
Full frame: 30-12 ° / 25-10.3 °
Built-in, slide out
Dedicated hard case
Lens Cap
Plastic clip-on
Weather Sealing
Other Features
One-touch Zoom
Diam x Length
65 x 142 mm
555 g
Production Years
1977 to 1979
Engraved Name
smc PENTAX ZOOM 1:4.5 80mm~200mm
Product Code
User reviews
Manual FocusBuilt-in HoodAperture RingFull-Frame SupportDiscontinued
Price History:

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Site Supporter

Registered: October, 2008
Location: Vancouver, Canada
Posts: 6,893

2 users found this helpful
Lens Review Date: July 8, 2012 I can recommend this lens: Yes | Price: $75.00 | Rating: 7 

Pros: Cost, size, fixed aperture and built in hood.
Cons: Slow and average optics.
Camera Used: Pentax film bodies (K1000, KM, KX, K2, K2DMD, MX, LX, Super A, P50)   

The K80-200/4.5 was released in 1977 and replaced the K85-210/3.5. The K80-200 is the third generation of the short/mid telephoto zoom that Pentax produced and is the first to feature the 80mm-200mm focal length. (The two previous zooms were 85mm-210mm)

The K80-200/4.5 was retagged as an M80-200/4.5 zoom in February 1978. The M version is identical to the K, except the K version had an s/n of 5xxxxxx and the M version 1 a s/n of 6xxxxxx or 7xxxxxx. This is the same as with the K28-50/3.5-4.5 zoom when it was retagged as an M.

The K80-200 has average optics and is not as sharp as any K series prime telephoto in its focal range. The minimum focusing distance is improved over the older 85mm-210mm zooms, to 1.6 meters.

Focal length:
80mm - 200mm covers the short to mid telephoto focal range on film and makes a good a good one lens telephoto option. On digital you will loose the short telephoto focal range and extend the mid range.

The K80-200 is not quite as well built as its predecessors the K85-210/3.5 or 4.5, but is finally a reasonable size to carry around. The K80-200 weighs about half as much as the K85-210/3.5 and is way shorter, so itís camera bag friendly. The K80-200 has a built in lens hood, fixed aperture and is a one touch zoom, all features that I like. The K80-200 has a 52mm filter ring, which is typical of the K series mid focal lenght lenses.

F4.5 is a bit slow for a short-mid telephoto zoom and every K series prime telephoto in its range is faster. (At least itís a fixed aperture zoom)

Iím a bit disappointed with the K80-200/4.5, especially as itís the first Pentax zoom in this FL range that is a decent size to carry around on a trip. Pentax got it right with its size, but the speed and optics suffer as a result. The older K85-210/3.5 is sharper and faster, but a pain to carry around. The A70-210/4 is still the best manual focus zoom in the short to mid telephoto focal range and a much better choice than the K or M 80-200/4.5. The K80-200/4.5 is also on the rare side and for every 100 M80-200/4.5 lenses you find you MIGHT find one K80-200.

Overall I rate the K80-200/4.5 a 7.5.

Sample shots taken with the K80-200/4.5. Photos are medium resolution scans from original slides.

Camera: Super A Film: Fuji Provia 100F ISO: 100

Camera: Super Program Film: Fuji Provia 100F ISO: 100

Veteran Member

Registered: January, 2007
Location: Newcastle Australia
Posts: 5,284

1 user found this helpful
Lens Review Date: August 31, 2011 I can recommend this lens: Yes | Price: N/A | Rating: 7 

Pros: Goodcolour/bokeh excellent focus.Great with catch-in-focus.
Cons: Rather large and cumbersome. MF. PF in bright light
Sharpness: 8    Aberrations: 7    Bokeh: 7    Handling: 6    Value: 8   

I have just completed a Single in Month exercise, requiring a photo each day for a month, using this lens. At times a little frustrating but overall I was pleased with the results in general.

Senior Member

Registered: December, 2010
Location: Sydney, Australia
Posts: 125

1 user found this helpful
Lens Review Date: December 8, 2010 I can recommend this lens: Yes | Price: N/A | Rating: 8 

Pros: Optical Quality
Cons: Too many optical elements dim the view!

This is one that always went on Holidays with me. Optically very good but the sheer number of elements dims the view too much in my opinion especially towards the 200mm end. It's a bit of a dinosaur now in terms of length and weight, compared with smaller/lighter 100-300mm Zooms. But in bright outdoor conditions it really shines. The turn and zoom in one action still feels great today. Extremely cheap on Ebay. Uses 52mm filters which is another bonus in my opinion and built in lens hood. I found this lens got little use for portraiture, as it was a little slow. To sum up........Just get one, they are cheap and worth a lot more!
Inactive Account

Registered: September, 2006
Location: D/FW area, Tx.
Posts: 1,712
Lens Review Date: January 19, 2010 I can recommend this lens: Yes | Price: N/A | Rating: 8 

Pros: nice and sharp, lite weight
Cons: a tad slow.

`i have one slso. great lens and sharp as you said.
it's an easy lens to tote due to it's light weight.. i've also taken some superb macros using ETs.. there's two versions of this want the first V
New Member

Registered: December, 2008
Location: marion il
Posts: 4

1 user found this helpful
Lens Review Date: December 18, 2008 I can recommend this lens: Yes | Price: N/A | Rating: N/A 


i got 1 and i love it
Veteran Member

Registered: June, 2008
Location: Madison, WI
Posts: 2,162
Lens Review Date: October 27, 2008 I can recommend this lens: Yes | Price: N/A | Rating: 9 

Pros: Sharp, beautiful images; convenient one touch zoom; built-in hood.
Cons: Long and somewhat unweildy

I just discovered I had this lens! I acquired it years ago thinking it was the M version, and only recently looked at the lettering and noticed the M was missing. I think it is essentially the same lens, though. Very good image quality throughout its range, nice out-of-focus rendering and constant aperture all all big pluses; it is a little bit long physically to easily carry around on a camera, though. I have used it on extension tubes for some stunning macro shots, although that gets really awkward on the tripod. Solid construction inspires confidence, hopefully this one will outlast me. Get one if you get the chance!
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