EF 20-35mm F2.8L(후드포함)[93]

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브랜드 :	Canon [브랜드바로가기]
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캐논 Canon Zoom EF 17-40mm F4 L USM 정품 (후드포함)생산년도UA12**/95% 판매완료 EF20-35mmF2.8L후드포함 0원 Canon EF-S 10-22mm F3.5-4.5 정품 (후드) [95] 0원 EF 20-35mm F3.5-4.5m[95] 0원 캐논 Canon Zoom EF 17-40mm F4 L USM 정품 (후드포함)/95% 판매완료 탐론 Tamron SP AF 17-35mm F2.8-4 Aspherical Di 정품 캐논용 (후드포함)/98% 판매완료 캐논 Canon EF 16-35mm f/4L IS USM 정품.후드/98% 판매완료 Canon EF-S 10-18mm F4.5-5.6 IS STM (정품박스) /98% 260,000원 캐논 Canon EF 11-24mm 1:4L USM 정품/95% 1,570,000원 EF17-35mmF2.8L(후드포함)(95) 0원 The design and manufacturing technique used for the Canon FD 20-35mm f/3.5L has not just created an instance Canon Classic, but it has given competitions such as Nikon, Minolta, Pentax having difficulties a nightmare in finding workable solutions answering Canon's aggression; for an instance, the first Nikkor 20-35mm was only being introduced as late as 1993 - more than a decade behind Canon ! However, Pentax and Minolta reacted better than Nikon with two pin-sized MD Rokkor and SMC 24-35mm f/3.5; however, both the lenses have not been incorporated with an Aspherical glass element within and thus, confined themselves as consumer class solution. Besides, when the 20-35mm FD zoom was introduced, there was practically no competition in its class. Technically, you can also say the FDn 20-35mm f/3.5L was an evolved upgrade version for the earlier 24-35mm and it also formed the basis for the EF 20-35mm f/2.8L which has been given a lens speed boost faster to f/2.8. photographer. Since this section is not discussing the version history, I will just provide a quite summary of various data:- lens type Angle of View Optical Design optical system max/mim aperture closest distance filter size case(s) lens hood Body length approx. weight year introduced FD 24-35mm f/3.5 S.S.C. ASPH 84° ~63° 12 elements 9 groups Aspherical, floating elements f/3.5 ~ f/22 0.4m 72mm LH B8 (hard); LS A9 (soft) W - 75 86.3mm 515g (02.1978) Canon FDn 24-35mm f/3.5L 84° ~63° 12 elements 9 groups Aspherical, floating elements f/3.5 ~ f/22 0.4m 72mm LH B8 (hard); LS A9 (soft) BW - 72 86.6mm 500g (12.1979) Canon FDn 20-35mm f/3.5L 94° ~63° 11 elements 11 groups Aspherical, floating elements f/3.5 ~ f/22 0.5m 72mm LH B8 (hard); LS A9 (soft) BW - 72 84.2mm 470g (07.1983) ".... When the EOS system was announced in 1987. The EF 20-35mm f/2.8L was among the original batch* of EF lenses that went to sale in order to boost confidence of Canon photographers that Canon will commit to offer them the in both technologies in camera as well as continual development of newer optics in the EF lens group. The superwide served as a demonstration as it has significantly improved from many aspect. While the EF 50mm f/1.0L USM** and EF 85mm f/1.2L USM lenses were created to reflect the potential of the fully electronic lens mount of the EOS System, both the EF 20-35mm f/2.8L AFD and EF 80-200mm f/2.8L AFD were partly responsible for the success of the original Canon EOS-1 in capturing the lion's share in the professional 35mm SLR camera market. .... - my "Captain Canon" friend * Introduced at the same time with the camera were four new L-series EF lenses, the EF 20-35mm f/2.8L AFD, EF 50mm f/1.0L USM*, EF 85mm f/1.2L USM and the EF 80-200mm f/2.8L AFD. ** Note Although formally introduced in 1987 with EF 50mm f/1.0L USM was officially available for sale only from Autumn 1989 onwards. Firstly, the autofocus version of EF ultrawide zoom has an entirely redesigned interface inside out. Optically, it comprised of a new, rather complex 15 elements in 12 group optical arrangement and its constant maximum aperture was fixed at f/2.8, brighter than the f/3.5 of the FD equivalent.   But basic principle remains, this 1.5:1 zoom ratio large-aperture super-wide-angle zoom lens covering all wide-angle focal lengths from ultrawide 20mm to moderate wideangle of 35mm - offers the sharpness and brightness of a single focal length lens via the use of a large-diameter ground and polished aspherical lens for the front element virtually eliminates the distortion common in wide-angle zooms. An internal focusing system with a floating effect ensures rapid autofocusing and improves image quality at close shooting distances. Moreover, the front of the lens does not rotate during focusing, facilitating use of circular polarizing filters. All these provides a very well corrected geometry, flatness of field as well as a very commendable close focus ability. It used to be a high-quality zoom lens highly praised by professional photographers worldwide. However, strangely USM was not incorporated into the design and instead, it has a AFD (Arc Form Drive) actuator which in a way prohibiting the use of full time manual focusing (the followed up 17-35mm EF-L in 1996 was USM enabled). The possible theory was, since the wide angle has very narrow rotational drive from near to far and it is not necessary to incorporate into the lens. Its moderate size (for a zoom lens type such as this) and relatively light weight (510g) make this lens highly portable. In fact, I think Canon designers have done an excellent job in this area despite the fact, its 15 elements design and if you compared the previous (but mechanical) FD version of maximum aperture of f/3.5; the f/2.8 and more number in elements does not add more weight in the package. If fast speed for low ambient light is not entirely a must, a compromise of a f/2.8 should be adequate for most situation where it carries the benefit of substituting a few prime wideangle lenses combined and the aspherical front lens element assures superlative image quality comparable to many prime optics. Personally, I think this lens is very practical for some serious thought as companion for photojournalism, travels, nature, scenic and even for portraiture as the varying angle of view presents many through the lens compositions without the hassle of interchanging lenses for immediate assessment of visual effect. As the lens has a non-rotational forward lens for internal zoom and focus control, it facilitates the use of circular polarized filters (PL-C) filter even at its widest angle of 20mm. Technical Specification for Canon EF 20-35mm f/2.8L: - Type: - Autofocus lens type with manual focusing mechanism Focal Length: 20-35mm with zoom ration of 1.5:1 Focus Adjustment:- Autofocus. Front group linear extension system with Micro motor and floating lens elements / inner and rear focus Manual Focusing:- possible via AF/MF switch and manual focusing ring; Full time Manual focusing NOT possible Zoom Adjustment:- Dual Rings, rotational Closest Focusing Distance:- 0.5m (1.6 ft) Maximum Magnification:- 0.09X at 35mm setting Drive System/Actuator:- AFD (Arc Form Drive) Distance Scales: Provided via window on metres/feet. Angle of View:- 84° -54°; 62°-38° ; 94°-63° (horizontal, vertical and diagonal) Lens construction:- 15 Elements in 12 Groups (with Aspherical element w/ floating design) Aperture range:- f/2.8 - f/22 Number of Diaphragm Blades: - 6 blades Minimum Aperture: - f/22 Filter Attachment Size:- 72 mm Filter rotation: No Diameter:- 79.2 x 89mm (3-1/8" x 3-1/2") Weight:- 570g (20 oz) Others: - Infrared index for 20 and 35mm; PL-C filter enabled. System Accessories:- Extension Tube EF25 - 0.8-0.92X; Lens Hood EW-75 (supplied); lens Cap E72; Hard lens case LH-D13; Status: Discontinued Yes. The seemingly evergreen users favorites EF 20-35mm f/2.8L was officially retired from Canon EF lens group in 1996 - it was barely few years after its nearest competition, Nikon caught up with an equivalent of an Aspherical glass AF-Nikkor 20-35mm f/2.8D, Canon thus, replied positively by announcing a worthy replacement optic for this long time Canon classic with a Canon EF 17-35mm f/2.8L USM; Five years later in Dec. 2001, Canon went further ahead with a Canon EF 16-35mm f/2.8L (which is still current model) and followed by another comparing alternative of EF 17-40mm f/2.8L in 2003 - in fact, the subsequent Canon EF lens group has more options than any other manufacturers in the ultrawide zoom selection; alternatives such as Canon EF 24-70mm f/2.8L USM, Canon EF 24-105mm f/4L IS USM and the earlier mentioned Canon EF 17-40mm f/4L USM and EF 16-35mm f/2.8L USM. However, as most of the newer Canon L-series Ultra Wides are relatively quite expensive even if it is used - as each may fetch over USD1K+, an used 20-35mm f/2.8L can roughly quoted around + - USD450-00 becomes very viable as serious consideration for many photographers. In 1993, amidst all these development on the EF lens group, the 20-odd years in the establishment of a hugely successful 20-35mm zoom range has maintained by Canon with an inclusion of an EF 20-35mm f/3.5-4.5 USM. This spherical optical ultrawide was also immensely popular as it carries with a modest entry price tag and was very well received for users who may not be able to afford the elite class of L-series EF superwide-zoom. You may consider go through some basic reading references of other options below. Credit: Image courtesy of XXXX from Portugal whose PORTFOLIO can be accessed at PBase. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer. [캐논]Canon EF-S 10-22mm F/3.5-4.5 USM(,정품,박스)[신동품] 0원 EF17-35mmF2.8L(후드포함)(95) 0원 캐논 Canon EF 16-35mm f/2.8L III USM 정품 (후드포함,박스풀셋트)/98% 판매완료 EF 20-35mm F3.5-4.5m[95] 0원 캐논 Canon EF 20-35mm F/3.5-4.5 /97% 판매완료 Canon EF-S 10-22mm F3.5-4.5 정품 (후드) [95] 0원 캐논 Canon Zoom EF 17-40mm F4 L USM 정품 (후드포함)/95% 판매완료 FD 24-35mm/F3.5L(필타포함)(95) 0원 캐논 Canon EF 16-35mm 1:2.8L II USM 정품(후드포함)생산년도UZ08**/98% 830,000원 캐논 Canon Zoom EF 17-40mm F4 L USM 정품 (후드포함)/95% 판매완료 배송비 : 기본배송료는 2,500원 입니다. (도서,산간,오지 일부지역은 배송비가 추가될 수 있습니다)  100,000원 이상 구매시 무료배송입니다. 본 상품의 평균 배송일은 일입니다.(입금 확인 후) 설치 상품의 경우 다소 늦어질수 있습니다.[배송예정일은 주문시점(주문순서)에 따른 유동성이 발생하므로 평균 배송일과는 차이가 발생할 수 있습니다.] 본 상품의 배송 가능일은 일 입니다. 배송 가능일이란 본 상품을 주문 하신 고객님들께 상품 배송이 가능한 기간을 의미합니다. (단, 연휴 및 공휴일은 기간 계산시 제외하며 현금 주문일 경우 입금일 기준 입니다.) 상품 청약철회 가능기간은 상품 수령일로 부터 일 이내 입니다. 상품 택(tag)제거 또는 개봉으로 상품 가치 훼손 시에는 일 이내라도 교환 및 반품이 불가능합니다. 저단가 상품, 일부 특가 상품은 고객 변심에 의한 교환, 반품은 고객께서 배송비를 부담하셔야 합니다(제품의 하자,배송오류는 제외) 일부 상품은 신모델 출시, 부품가격 변동 등 제조사 사정으로 가격이 변동될 수 있습니다. 신발의 경우, 실외에서 착화하였거나 사용흔적이 있는 경우에는 교환/반품 기간내라도 교환 및 반품이 불가능 합니다. 수제화 중 개별 주문제작상품(굽높이,발볼,사이즈 변경)의 경우에는 제작완료, 인수 후에는 교환/반품기간내라도 교환 및 반품이 불가능 합니다. 수입,명품 제품의 경우, 제품 및 본 상품의 박스 훼손, 분실 등으로 인한 상품 가치 훼손 시 교환 및 반품이 불가능 하오니, 양해 바랍니다. 일부 특가 상품의 경우, 인수 후에는 제품 하자나 오배송의 경우를 제외한 고객님의 단순변심에 의한 교환, 반품이 불가능할 수 있사오니, 각 상품의 상품상세정보를 꼭 참조하십시오.