搜尋鏡頭

如果你覺得這個網站的內容有用，請透過此網站向我們的合作伙伴購買你的鏡頭及配件，多謝支持。

$579.99
現在購買

Pentax smc DA 12-24mm f/4.0 ED AL (IF)

	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。金屬接腳平價鏡頭通常會使用塑膠接腳，而較昂貴的專業的鏡頭會使用金屬接腳。一般來說，金屬接腳會比較耐用的及當鏡頭改變很多。當相機主要使用一個鏡頭，接腳物料並不是很重要。內置對焦內置對焦鏡頭不會因設定焦點而改變其大小。無內置變焦內置變焦鏡頭不會因改變焦距而改變其大小。固定前鏡頭固定前鏡頭在變焦及/或對焦時不會轉動，故可容許攝影師用花瓣狀遮光罩，固定前鏡頭能更容易利用極化濾鏡。無天氣密封天氣密封鏡頭可防止塵埃及水份浸入。當鏡頭不是防水的，此類鏡頭可適用於下雨及朝湿環境。有些密封只可防水或防塵。天氣密封只適用於類似天氣密封相機內。無插入濾鏡支援插入濾鏡使用於那些前鏡頭過大或視野不容許於鏡頭前傳統濾鏡的鏡頭。通常遠攝及超廣角鏡頭支援這類濾鏡。

資料紙
評語
用者評語
配件
圖例

Pentax smc DA 12-24mm f/4.0 ED AL (IF) 技術規格

Pentax smc DA 12-24mm f/4.0 ED AL (IF) 技術規格
可用的接環	Pentax K
應用	風景, 室內, 建築物
類目	廣角變焦
倍增器	1.5×
穩定器	否
焦距	12 - 24 mm (2× 變焦)
鏡片組	11 群組含有13 元素
視角	35毫米: 不適用數碼: 99-61°
葉片數目	8
最大光圈	廣角: f/4 遠攝: f/4
最小光圈	廣角: f/22 遠攝: f/22
最短焦距	30 cm
放大	0.12×
濾鏡大小	77 mm
大小	∅ 84 × 87.5 mm
重量	430 g
記錄
自動對焦速度	不適用
自動對焦聲音
內置對焦	是
內置變焦	否
固定前鏡頭	是
接駁類型	鐵
天氣密封	否
插入濾鏡	否
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	S100-120 (不包括)
遮光罩	PH-RBI 77MM (包含)
三腳架接合器	不適用

Pentax smc DA 12-24mm f/4.0 ED AL (IF) 評語

沒有評語顯示

Pentax smc DA 12-24mm f/4.0 ED AL (IF) 用者評語

亞瑪遜內最有用的用家評語

A must for the wide end

9 January 2007

The main problem with the APS-C sensor is the fact that to get a very wide angle of view, you need a special lens. My old 20mm lens, which has served me for many, many, years, is just a moderate wide on the digital sensors.

With a few doubts, I sprang for this super-wide zoom.

WHAT A SURPRISE! This lens is AMAZING!

Low or no distortion (you can get away without correcting for distortion in Photoshop - quite a feat - unless you have a fanatical lunatic architectural client). CA hard to see. Very sharp, sharper wide open than any zoom has a right to be!!

Flare is so well controlled, I shot right into th sun and did NOT get the usual string of circles, just one ghost. How do they DO that???

The constant aperture is a blessing (I still refuse to buy a zoom with a variable aperture).

All modern lenses are polycarbonate. Supposedly, it's more dimensionally stable than metal under temperature extremes. Maybe so, but I still have some of the older K and M lenses and some Limited lenses. I guess I'm just old fashioned.

But with the APS-C sensor, you need a VERY wide lens. This is the one that will save your hide on any assignment where you need ultra-wide angle of view.

Penatx has always been known for their glass. With this lens, they continue to impress those who know that the glass is what counts!

Vivid color, amazing linearity, sharp to corners - but delicate alignment

1 September 2007

Pop Photo (Apr-06) praised this lens as a "Wide Winner" for spectacular performance on bench testing: excellent image sharpness and contrast; imperceptible distortion ["best of breed"]; and barely notable vignetting at the short end. I can add breathtaking color, crisp contrast and ruler-straight linearity to that list. At first glance, a 2X zoom doesn't sound impressive these days - until you realize that this parafocal zoom sweeps an incredible 100 to 60 degree viewing range, that's just perfect for cramped interiors, group pictures or landscapes. This zoom is a landmark of stellar engineering: combining extra-dispersion glass and aspheric lens elements into flagship "great glass".

But a finely-tuned optical engine performs optimally only if all cylinders fire in unison ... at daylight trial, I noted a hideous 'purple fringing' [chromatic aberration] of trees and power lines outlined against an overcast sky -- something was badly remiss. Rather than returning the lens, I packed it up for warranty service so as to alert the manufacturer to quality control slippage. Irreparable misalignment [probably from rough shipping/handling] was acknowledged; replacement with a brand-new lens was hassle-free as well as timely.

Should you detect distortion (run some test shots before starting a formal shoot!), fear not -- Pentax service was knowledgeable, courteous, and helpful. To their great credit, exchange was virtually painless, and the new replacement lens at last performs flawlessly. Although the initial unit turned out to be a glass lemon, Pentax made good (try that with a new car!); I have nothing but praise for the fair and decisive warranty follow-through.

Tip: the bulbous cyclops snout of the forward element is close to the surface, begging for scratches and smudges. Protecting the front end with a haze or UV filter in essence adds an unproven 14th glass element to a balanced optical design -- buy the high quality multi-coated filter (mounted in a thin WA ring) this star performer deserves to minimize glare, internal reflection and corner vignetting.

A nice ultrawide

21 June 2008

This lens covers a handy range of focal lengths. At 24mm (equivalent to 35mm on a 35mm film camera) it replicates the popular moderate wide angle that is handy for car shows, architecture, landscapes and group shots.

Go down to 12mm, and you get a very wide view, great depth of field, and essentially no barrel distortion.

Although there is some overlap in the focal length of the Pentax 10-17mm lens, that one has the pronounced "fisheye" distortion (though not too much at 17mm), while the 12-24 maintains straight lines (it's "rectilinear") though if you are tilted up (or down), your subject will lean in (or out).

More expensive than some lenses but less than others, I say it is worth it. Its constant f4 maximum aperture is part of the cost (and weight).

It is a little bulky, not lightweight, and has a rather large lens hood, so you might have to rearrange your bag divider...

Do you hesitate to buy it?

18 January 2008

This lens is savvier, more perfect than I expected. I don't need to say about pros because lots of people already say about that in review. But this lens' weight is quite heavier compared with other Pentax lens.

Best darn wide angle zoom out there

8 December 2008

This lens is amazing. If I had a choice of one lens to leave on my camera forever, this would be it. Its sharp, contrasty, and the angle of view at 12mm is AMAZING. The distortion is minimal to my eyes though I have not measured it. I'm just very happy with the results I consistently get with it.

Its very flare resistant and though the lens is mostly plastic, its feels very solid and well made. Not a whole lot of slop to any of its movements. Its very lightweight, so its not a burden to carry it around. I just wish it was a tad shorter, but this is not a complaint.

The range is very good for a walking around lens, the 24mm upper end gives about a 36mm angle of view equivalent for a 35mm standard film camera.

Just add a 50-135 2.8 and you have a great range for just about everything.

Pentax smc DA 12-24mm f/4.0 ED AL (IF) 圖例

Pentax smc DA 12-24mm f/4.0 ED AL (IF) 配件

77 mm 濾鏡

77 mm 極化濾鏡

相似鏡頭

鏡頭配件

	Nikon 7072 Lens Pen Cleaning System$5.99
	Nikon 8072 Microfiber Cleaning Cloth$4.44
	Zeiss Lens Cleaner, 3 oz Spray, Ammonia Free, Safe for Multi-Coated Lenses.$3.33

	Sensor Swab Type 2 (Box of 12)$32.00

搜尋鏡頭

Pentax smc DA 12-24mm f/4.0 ED AL (IF)

APS-C大小的影像

無超聲波自動對焦

使用了一個或更多的低散光度鏡頭元素

不穩定

金屬接腳

內置對焦

無內置變焦

固定前鏡頭

無天氣密封

無插入濾鏡支援