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PENTAX-110 70mm F2.8

Sharpness 
 8.4
Aberrations 
 7.5
Bokeh 
 9.0
Handling 
 9.0
Value 
 8.8
Reviews Views Date of last review
6 21,352 Tue August 25, 2015
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Recommended By Average Price Average User Rating
100% of reviewers $39.00 8.83
PENTAX-110 70mm F2.8

PENTAX-110 70mm F2.8 PENTAX-110 70mm F2.8
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Description:
A telephoto lens for the Pentax auto 110 system. This lens corresponds to a 140mm lens on the 24x36mm format.

Max. aperture: 2.8
Closest focusing distance: Unknown
Diagonal angle of view: 17.4 degrees
Optics: 6 elements in 5 groups
Filter diameter: 49 mm
Size: 51 x 50.5 mm
Weight: 160 g
Price History:



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Senior Member

Registered: August, 2012
Posts: 118
Lens Review Date: August 25, 2015 I can recommend this lens: Yes | Price: $5.00 | Rating: 8 

 
Pros: Size, Price, IQ
Cons: some fringing
Sharpness: 8    Aberrations: 6    Bokeh: 9    Handling: 10    Value: 10   

This lens is quite sharp but subject to some fairly strong fringing toward the edges. If you can live with the fringing it is a tremendous way to obtain an equivalent 325mm FOV in a small, fast package with the Q7.

49mm filter threads mean you can put a deep lens hood on it, I use the Takumar 135mm f3.5 hood, it really helps and will 'nest' reversed on the lens when not in use.
   
Senior Member

Registered: May, 2012
Posts: 145

1 user found this helpful
Lens Review Date: May 14, 2015 I can recommend this lens: Yes | Price: $30.00 | Rating: 10 

 
Pros: Sharp, very small
Cons: Fixed apperture
Sharpness: 10    Bokeh: 10    Handling: 10    Value: 10   

Here are one shot with K3. I've made a lensmount by a bodycap that I made a bayonethole for the lens my self. You will not get infinity, so it acts more like a macro lens. But with good apperture and small size. You can use the camerea on P, it will automatically switch to AV. I've cropped the picture so it showes 100%. It has not been photoshoped, and it is a jpg in original. It covers the whole aps-c-sensor!




   
Loyal Site Supporter

Registered: January, 2008
Location: Henry, TN
Posts: 2,970
Lens Review Date: January 30, 2015 I can recommend this lens: Yes | Price: N/A | Rating: 10 

 
Pros:
Cons:

Review as used on the Q7.

Not quite the DA*300 but certainly the equivalent of the DA 55-300 when used with due respect for camera steadiness at long FLs.

Needs an aperture mask to stop it down to f/4 to f/5.6 for optimum sharpness and DoF.

The usefulness is limited by the skill in manually focusing with the 420K pitch LCD screen.

It would be hard to find a smaller travel-kit with the potential for good to excellent IQ at the equivalent of full frame 300mm.

The Q7 and this lens is the kit that'll slip by the "pro-camera" police at the ball park or concert.
   
Senior Member

Registered: March, 2011
Location: Memphis
Posts: 107

1 user found this helpful
Lens Review Date: September 9, 2011 I can recommend this lens: Yes | Price: $61.00 | Rating: 9 

 
Pros: Small well built and good image quality.
Cons: No aperture
Sharpness: 9    Aberrations: 9    Bokeh: 9    Handling: 8    Value: 9   

Really fun. Got it to use on my micro four thirds Olympus Pen. Aside from the design which limits it to being used wide open at f2.8 it's awesome. Build quality is top notch. Images are great. While I'm sure there are modern alternatives that are better that's not why I bought it. I bought it because it was cheap and theres something cool about resurrecting what would otherwise be a basically obsolete lens. Focus throw is a little longer than I would like when using the focusing screen but I don't think it would bother me as much if I was using an electronic viewfinder and had it stabilized against my face. Really a nice fixed 2.8 70mm portrait lens on m4/3.
   
New Member

Registered: January, 2008
Location: Marion, IA
Posts: 15
Lens Review Date: September 5, 2011 I can recommend this lens: Yes | Price: $60.00 | Rating: 6 

 
Pros: Small Size, use on m4/3
Cons: Edge sharpness, Astigmatism, Front element rotates while focusing
Sharpness: 5    Aberrations: 6    Bokeh: 8    Handling: 7    Value: 6   

This compact 70mm can be adapted to work on m4/3 cameras, as the sensor is nearly identical size to the 110 negative. The downside is this lens, like every other Pentax Auto 110 lens is targeted towards center sharpness. The edges drop off rapidly. If you can rig an aperture up for the lenses it can help a lot, but these lenses are best shot wide open, otherwise use a dedicated m4/3 lens that will have better performance.

Consider the 110 lenses as novelty lenses. The 50 and the 70 have pretty nice bokeh, all the lenses have nice colors, but they are mostly for centered subjects. If you stick to this type of subject they can be effective lenses, and they are so tiny they are unique. The 70mm is getting pretty large for the small camera, but it is still a lot smaller than an 85mm f/1.8 or something, and doesn't require a long adapter like a K mount lens would require.

Resolution chart wise, this lens didn't test well. It was the lowest of the bunch I tested in the center (18, 24, 50, and 70), but this was in part due to the astigmatism where one axis was much sharper than the other.

I recommend this lens if you can get it cheap and shoot mostly centered subjects. Sharpness is acceptable if you are shooting people, or other subjects without a lot of fine detail.
   
Moderator
Site Supporter

Registered: June, 2008
Location: Florida Hill Country
Posts: 17,248

1 user found this helpful
Lens Review Date: September 10, 2010 I can recommend this lens: Yes | Price: N/A | Rating: 10 

 
Pros: Nice build
Cons:
Sharpness: 10    Aberrations: 9    Bokeh: 9    Handling: 10    Value: 9   

This is the best built prime in the small auto 110 lineup. The optics are good and its not overly big even though its FOV is roughly equivalent to a 135mm lens on a 35mm film body. The build is close to that of the Limited series, and it wouldn't surprise me if the optics in this lens was the inspiration for the DA 70mm/2.4 ltd. This is the lens that I have used on the camera in my Avatar for a long time although I will eventually change the Avatar. This review is based on results of 110 film and not a makeshift adapter for m4/3 with improvised aperture.
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