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Pentax Lens Review Database » Film Era Pentax K-Mount Lenses » F Zoom Lenses
SMC Pentax-F 100-300mm F4.5-5.6 Review RSS Feed

SMC Pentax-F 100-300mm F4.5-5.6

Sharpness 
 7.0
Aberrations 
 6.7
Bokeh 
 7.6
Autofocus 
 7.4
Handling 
 6.7
Value 
 7.8
Reviews Views Date of last review
20 123,929 Mon February 5, 2024
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Recommended By Average Price Average User Rating
80% of reviewers $83.11 7.15
SMC Pentax-F 100-300mm F4.5-5.6
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Description:
The Pentax F 100-300mm autofocus zoom lens was succeeded by an FA version that added power zoom support.



SMC Pentax-F 100-300mm F4.5-5.6
© www.pentaxforums.com, sharable with attribution
Image Format
Full-frame / 35mm film
Lens Mount
Pentax K
Aperture Ring
Yes (A setting)
Diaphragm
Automatic, 9 blades
Optics
12 elements, 8 groups
Mount Variant
KAF
Check camera compatibility
Max. Aperture
F4.5-5.6
Min. Aperture
F32-38
Focusing
AF (screwdrive)
Quick-shift
No
Min. Focus
150 cm
Max. Magnification
0.25x
Filter Size
58 mm
Internal Focus
No
Field of View (Diag. / Horiz.)

APS-C: 16-5.5 ° / 14-4.6 °
Full frame: 24-8.2 ° / 20-6.9 °
Hood
RH-A58
Case
Lens Cap
Plastic clip-on
Coating
SMC
Weather Sealing
No
Other Features
Diam x Length
72 x 155 mm (2.8 x 6.1 in.)
Weight
605 g (21.3 oz.)
Production Years
1996 to 1998
Engraved Name
smc PENTAX-F 100-300mm f/4.5-5.6
Product Code
27931
Reviews
User reviews
Features:
Screwdrive AutofocusAperture RingAutomatic ApertureFull-Frame SupportDiscontinued
Sample Photos: View Sample Photos
Price History:



Add Review of SMC Pentax-F 100-300mm F4.5-5.6
Author:
Sort Reviews by: Date | Author | Rating | Recommendation | Likes (Descending) Showing Reviews 16-20 of 20
Senior Member

Registered: March, 2009
Location: Gouda, Netherlands
Posts: 165
Review Date: March 12, 2009 Recommended | Price: $80.00 | Rating: 7 

 
Pros: Internal zoom, good build,easy zoom
Cons: rotating frontlens, much CA, hunting autofocus when low light.

I like this lens because I got much for less money. It's sharp from 100 to 300, but with a little bit higher aperture like 6.7-8.0. I think this lens is the best budget lens to get when a 300 1:4 is to expensive. Other aspects are mentioned above.
   
Senior Member

Registered: June, 2008
Location: Tustin, CA
Posts: 206

1 user found this helpful
Review Date: February 23, 2009 Recommended | Rating: 8 

 
Pros: long, cheap, inernal zooming, not too soft
Cons: AF hunts a lot in low light, rotating front element, not enough damping on either focus or zoom ring, no included hood

This lens is probably the most economical Pentax 300mm AF lens. It's not too heavy, but build quality isn't bad (except for undamped zoom and focus rings).

Image quality is good for a low end lens. My main gripe has to be that it sucks at focusing in low light
   
Junior Member

Registered: September, 2008
Location: Québec
Posts: 40

1 user found this helpful
Review Date: October 6, 2008 Recommended | Price: $200.00 | Rating: 8 

 
Pros: Good sharp lens, useful focal lengths
Cons: A little slow

I have taken some shots of birds and was impressed. It’s compact build and 300mm are great. Works with the Tamron 1.4x TC. The images are sharp even at 300mm. Performance in low light is not spectacular but better than I expected.

So I am very pleased with this lens and would highly recommend it.
   


1 user found this helpful
Review Date: April 6, 2008 Recommended | Price: $200.00 | Rating: 6 

 
Pros: light weight, low cost
Cons: not very good quality wide open at 300mm, only f/5.6 at 300mm

I enjoyed using this lens around town, but on over cast days in London it was not fast enough when shooting above 200mm (this was before SR). The same problem went for Africa in the shade at 300mm.

If you are looking at a zoom with this range, this is probably a good one in this price range, but if you are going for image quality, you'll find a better option out there.
   


2 users found this helpful
Review Date: September 12, 2007 Recommended | Price: $80.00 | Rating: 8 

 
Pros: Does not extend when zooming, reasonably sharp
Cons: Somewhat large, slow apertures.

I just changed my FA 100-300mm f4.7-5.8 rating to 7 because this is a better lens but still not a 9. Sturdier than the FA f4.7-5.8, with a better mechanical build quality, no zoom creep and a metal lens mount. This is a very decent lens in this focal length range. It does not have the complexity of the FA power zoom version and, although a little soft at the long end, it is a very competant lens. If my first set of images, using this lens on my *istDS, are any indication I will be using it for a long time to come.

I am enjoying the much smoother zoom action (more like my old MF lenses), there is no zoom creep (partly because this lens does not extend while zooming like the cheaper FA f4.7-5.8 lens). A small point is that this lens, although an F series, is styled just like my FA primes which gives a continuity to my currently active lens collection.

My wife now has the FA 100-300mm f4.7-5.8 because this F 100-300mm f4.5-5.6 is much more to my liking, only very slightly faster but better handling and with much more control over CA in high contrast images.

Ira
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