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Pentax smc DA 16-45mm f/4.0 ED AL

Pentax smc DA 16-45mm f/4.0 ED AL lens
Pentax smc DA 16-45mm f/4.0 ED AL lensPentax smc DA 16-45mm f/4.0 ED AL lens
 

APS-C大小的影像

可產生APS-C大小影像的鏡頭只屬數碼屬性，它們不可使用於比APS-C 格式更大的影像接收器，也不適用於菲林相機。

 

無超聲波自動對焦

一般來說，超聲波對焦鏡頭比傳統對焦鏡頭靜和快。

 

使用了一個或更多的低散光度鏡頭元素

低散光度鏡頭元素能減低彩色的色差。

 

不穩定

影像穩定器能減低手震時產生的模糊影像，特別在長焦距或陰暗情況下。根據倒數的定律，影像穩定化比無影像穩定鏡頭能有1到3個光圈優點。

Pentax smc DA 16-45mm f/4.0 ED AL 技術規格

可用的接環 Pentax K
應用 人像, 風景, 室內, 建築物
類目 標準變焦
倍增器 1.5×
穩定器 否
焦距 16 - 45 mm (2.8× 變焦)
鏡片組 10 群組含有13 元素
視角 35毫米: 不適用
數碼: 83-35°
葉片數目 不適用
最大光圈 廣角: f/4 遠攝: f/4
最小光圈 廣角: f/22 遠攝: 不適用
最短焦距 28 cm
放大 不適用
濾鏡大小 67 mm
大小 ∅ 72 × 92 mm
重量 365 g
記錄
自動對焦速度 不適用
自動對焦聲音
內置對焦 不適用
內置變焦 不適用
固定前鏡頭 不適用
接駁類型 不適用
天氣密封 不適用
插入濾鏡 不適用
超聲波自動對焦 否
APS-C大小的圈 是
低散光度鏡頭元素 是
硬機殼 不適用
軟機殼 不適用
遮光罩 PH-RBL 67mm (包含)
可印刷的遮光罩
三腳架接合器 不適用
Pentax smc DA 16-45mm f/4.0 ED AL 技術規格

Pentax smc DA 16-45mm f/4.0 ED AL 評語

Other reviews

Pentax smc DA 16-45mm f/4.0 ED AL 用者評語

亞瑪遜內最有用的用家評語

Old prime fanatic finally slips into the Zoom world

9 January 2007

I was one of those holdouts that carried lots of prime lenses, disdaining zooms as "a compromise". No doubt, I missed some fine lenses because of this.

The lens that sold me on zooms is this lens, the 16-45 f/4 Pentax. The lack of distortion, the contrast, the fine color control, all finally convinced me that a zoom can perform some of the functions of a prime.

I've been using this lens for a while. In my studio, the 50mm primes have become the main portrait lenses with the digital cameras. But now, I'm not afraid to use a zoom lens on a job. A big step for me!

It extends quite far when zooming, a fact I don't like, and for those who care, the on-camera flash is blocked by the lens hood (I use studio strobe, so it's of no import to me). As a modern lens, it has a polycarbonate barrel (they don't seem to be inclined to make zooms in the Lmited series. Too bad).

If I could use it on the film cameras, I probably would. No aperture ring means it's definitely meant for the current cameras.

Despite all that, I highly recommend this lens. It's a great "walk around" lens, going from very wide to moderate telephoto (remember, it's for the APS-C sensors). Image quality is astounding to an old grouch who loves primes, and even for a lens in general it's right up there.

If you're faced with the choice of the kit lens or this lens, take the 16-45. If you are serious about your craft, or you make a living at it, it's well worth the price!

Awesome lens

14 November 2006

I bought this lens for my 35mm pentax camera, since I'll be buying one of the dslr bodies sometime. It is fantastic: very very sharp and with great saturated color. On par, sharpness-wise with my Zuiko (50mm f1.4 & f1.8, 85mm f/2) and Nikon primes, but with better color! The contrast is good as well, there are rumors that the lens underexposes a bit - perhaps it does, but that works well with film.

On a film camera, there's vignetting when you zoom wider than 21mm - but that's a nice special effect, a sort of semi-fisheye at 16mm. Also, using the supplied lens shade isn't a great idea when shooting with 35mm film cameras, as the vignetting starts early.

Overall, this is a super lens, the best zoom I've owned.

11/2007: I've been using this lens with a K100D with great results. The tone is if anything more concentrated on a digital body - though for some reason the slight underexposure trend does exist with digital but not film. The lens has decent close focus ability - your shots of kittens and flowers come out awesome!

I recently bought the 43mm Limited, and while it has greater resolution and tonality, and does better in low light, on a photographic (rather than pixel peeping) level the 16-45 is in the same league. I still highly recommend this lens as the best medium zoom value that Pentax offers.

Great image quality for a reasonable price, with few "issues"

13 November 2007

I have had this lens for almost a year, and taken hundreds of photographs with it. It is usually on my K10D with a circular polarizer. There are many "pros" and few "cons":
Pros:
1) It is considerably lighter and smaller than one would expect for a constant aperture f4 lens, as it is designed for digital SLRs. You can leave it on the camera as your walk-around "normal" or "street" lens.
2) Image quality is superb, from the center out to the corners, even at f4. I have the 18-55 kit lens, and the difference in image quality at f5.6 is obvious, but less striking at apertures of f8 or smaller.
3) Makes a great travel lens due to its widest 16mm focal length, especially combined with a polarizer for landscapes, cityscapes etc. Even though the Pentax K10D has shake reduction built-in, one should preferably use a tripod with a bubble level, if for no reason but to make sure the horizon is level (unless you like fixing them in photoshop!)
4) It is a lot cheaper than the 16-50/f2.8 (which may be a bit better)

Cons:
1) Don't use the built-in pop-up flash with this lens in the wide-angle position - you will see a black semi-circle in the bottom half of the image. You need to use a hot-shoe or off-camera flash.
2) Although it is reasonably light and a better performer, it is a bit heavier than the cheaper 18-55 kit lens (which is only 2 mm longer at the short end and 10 mm longer at the long end)
3) If you can afford it, the 16-50/f2.8 may be a slightly better performer which is also weather-sealed (the K10D is weather sealed, the 16-45 is not - don't take it out into the rain) and has a wider max aperture (better for low light shooting, isolating foreground subjects)
4) 45 mm is sometimes a bit too short, and perhaps a 17-70 would be better if you find yourself often taking portraits
5) If you need just one lens for travel, an 18-250 lens is sometimes preferable (the longer zoom helps you compress foreground and distant objects, and avoids "zooming with your feet"), although it would not have the wide constant aperture and is more limited in the wide-angle department.

The Pentax 16-45mm f4 is a Keeper.

30 November 2007

Ditto Dana G's review. I migrated from a pretty extensive Nikon film system, and have used all kinds of other brands of film camera equipment, either on assignment or as a community college photo instructor during the 70's and 80's. I tried a variety of zooms, including varifocals with ELD glass. They were visibly softer than their equivalent single-focal-length counterparts. I noticed this after I had spent a long time using one particular varifocal. One day I switched back to a prime and when the prints came in, WOW! You could even tell with a casual glance at a 3X5 proof, that there was a huge difference. And the wide angle range in those 1970'5 and 80's zooms alway seemed extra soft and distorted. So I just gave up on zooms until I experienced digital.

I'm not one of those people who photographs charts. But I've a LOT of experience looking at real world images. In fact, as long as the lens seems to be working I don't really pay attention to it. However, in this case, I was shooting some photos of rocks along the Maine coast, from a tripod, and I decided to try to use a few Pentax prime lenses--a 40mm SMCP DA 2.8 and the Pentax FA 50mm 1.4--just to see if zooms had improved. All shots were in the 35-60 mm range, around f5.6-f8. When I uploaded these images into Photoshop, I was flabbergasted. The 16-45 mm gave nicer color and was at least as sharp as the two primes. Since then, I've had occasion to compare it against my Pentax DA 14mm 2.8, and I haven't noticed any real-world difference at the wide range either. But it's the fact that, if there were a difference, I would have to look really, really hard to see it that impresses me!

I find that I use the !6-45 more than any other lens that I own. I purchased it as an "upgrade" from the kit lens. And, as an aside, the Pentax K10D seems as if it were custom designed for migration from film or prosumer digital. The value for the money in this system is unmatched by any other maker. Amazon's latest body price=$530 after rebate. Not bad for a camera with shake control, self cleaning ccd's and the build-quality of a $1,500 Nikon.

Excellent Lens

5 January 2007

This lens is sharp, works very smoothly and has beautiful color. It's a first rate lens. I only wish it was just a tad bit longer - 16-60mm - that would be the equivalent of 24-90mm. As it is it is the equivalent of 24-67.5mm in 35mm terms.

Pentax smc DA 16-45mm f/4.0 ED AL 圖例

Pentax smc DA 16-45mm f/4.0 ED AL 配件

67 mm 濾鏡

67 mm 極化濾鏡

67 mm 紫外線濾鏡

67 mm 日光濾鏡

67 mm 鏡頭蓋

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