Dayi 6x17 back. 62 for 24 months with PayPal Credit * Condition: New New.

Dayi 6x17 back Buy It Now +C $13. Your Ektar images are very stunning - beautiful work. FOR SALE! Store category Sign Up Now ! You may also like New 182396750512 DAYI Panorama 120 Film Back Holder 6x17 6x14 6x12 Multi-Format Roll Film Back for Linhof Wista Toyo 4x5 Large Format Camera. Find what you love with better prices on AliExpress by using an image search Horseman Woodman 4x5 with a DaYi 6x17 roll film back. 48 sold. It does take a few tries and you will eventually have to rotate your lens so you can see your aperture and shutter settings but once done it works pretty well. I also have a Da Yi 6x17cm camera and suppose this back for 5x7' cameras must follow the same basic design. The lens I'm interested in is a Nikon 135/5. 61 shipping. Third party parts:2x rods or tubes with a diameter of 6mm and a length of 72mm2x countersunk screws M6x30mm2x butterfly or DAYI 6x12 6x14 6x17 Roll Film Back Magazine For 5x7 Kodak Linhof Technika Camera. ZU VERKAUFEN! 180 mm hoch mit dunklen Ecken. Shen-Hao in other posts). Attached to the Intrepid 4x5 Mk. New. I've been thinking about getting a 6 x 17 pano camera to compliment my XPan. $10. Brand New · Da Yi (1) $807. Daneben gibt es auch noch ein gutes 6x12 Rückteil von Horseman aus Japan. So a 6x17 back for a 4x5" camera is not a viable option: I want a 6x17 rollfilm holder for a 5x7" camera so I can use a 75mm lens with a little movements In this video, I will show you how I shoot Art Deco bus buildings with Kodak Gold 200 film, an Intrepid 5x4 camera and a DayI 6x17 back. Yes. Reaktionen 9 Beiträge 7 Wohnort München. SINAR Sinarback Digital 54M. the Wista/Horseman 6X9 backs. Extremely happy owner of a DaYi 617 back that I use on my Toyo 45G (about as much as sheet film these days). I've just had the first few rolls of transparencies back from the lab that I've put through my recently acquired Art Panorama 6x17 film back (made by Shen Hao). Specifications. C $1,097. 101 watching. Nikkor 150mm f/5. Setup includes 6x17 Rollfilm holder, with darkslide 6x17 Groundglass (optional fresnel not included) Graflok adaptor plate Example images show the rollfilm/ground glass in place on both an Intrepid Black A detailed review of the Shen Hao 6x17 film back and Dayi 6x12 film magazine for large format cameras. NEW DAYI MULTI-FORMAT 6x12 6x14 6x17 Roll Film Back Holder Magazine 4x5 Camera - $901. To use the full image area Professionelle Großformat-Panoramakamera DAYI 6x12, für 65-180-mm-Objektiv, mit austauschbarer Filmrückseite und 20-mm-Verschiebungsfunktion nach oben/unten. In addition to the above, we produce according to the customer's request, all the photographic equipment accessories, for all types of large format, medium format, panoramic cameras, roll film back, etc for all regions DAYI 5x7" Camera Roll Film Back 6x12 6x14 6x17 Format For Agfa Ansco Seneca View Deardorff Ebony Kodak Toyo Rittreck Linhof Technika III Regular price $575. I intent to make my own 6x17 back based on one I found only, my Ceneca doesn't have a Graflok back so fitting a commercial 6x17 back is difficult. 00: Could folks share their experiences/ opinions in using a 6x17 film . as well as this form Dayi's description: 180mm up with dark corners Uses 120 roll film for 4 6x17, 5 6x14 or 6 6x12 exposures. Pre I'm curious as to the range of focal lengths one can utilize on a 4x5 camera with a DaYi 6x17 back without vignetting. 53 watchers. 240 / Digi Back / Digitalrückteil / Sinarback. Opens in a new window or tab. 00 USD Regular price $575. . 4x5. It works pretty good, the (mechanical) quality is o. the full 6x12 opening), I get fog clouds on the short edges of the image. Brand Name. 6x12 & 6x17 backs don't come up for sale very often second hand, these are available new. I plan to purchase a Shen-Hao TFC45-ⅡB 4x5 view camera with their 6x17 / 6x12 panoramic back. 96. If the holes are in the same place on your back, then it should work the same way. Can you tell if this back would somehow fit a Rittreck view? attached are the sample pics of both. This section that is underexposed has a sharp line, it isn't a fuzzy transistion. 4000dpi drum scans with 6x17 images on 120 film are slightly sharper, including edge to edge, than 4x5 images. Customer New DAYI 6x12 6x14 6x17 Roll Film Back Magazine For 5x7 Large Format Camera. Perfect In my opinion, the 6x7 Horseman back that cost $80 is awesome and if I want to shoot a wider panorama I'd rather just shoot 4x5 sheet film and crop than have invested in the expensive and tricky Dayi 6x12. from China. the same manufacturer elsewhere on the photo. The camera is not as elegant as a Linhof - of course - but it works very well and is built like a tank . or Best Offer. a 90mmm ) in combination with the 6x17 rollfilm back I need to know what is the exact thickness of the Da Yi (or Shen Hao) 6x17 Rollfilm back. 14 watching [MINT+ in BOX] HORSEMAN 8EXP Roll Film Back Holder Type 451 6x9 120 From JAPAN. Mask is 6x14. More than a year ago. DAYI Panorama 120 Film Back Holder 6x17 6x14 6x12 Multi-Format Roll Film Back for Linhof Wista Toyo 4x5 Large Format Camera Find many great new & used options and get the best deals for NEW DAYI 6x17 6x14 6x12 Multi-Format Roll Film Back TOYO Linhof Wista 4x5"Camera at the best online Excellent device - works well. DAYI 6x12 6x14 6x17 Roll Film Back Magazine for 5x7 Kodak Linhof Technika Camera. 00 USD 5x7 view camera (with or without roll film back) Pros (versus PTB 617) Cheaper - a used 5x7 can be cheaper if you simply use 5x7 film and subsequently crop your image but you are limited to B&W film. Art Deco is a style However, I always dreamed about 6x17cm panoramic slides on Velvia and found a dayi 6x17 back for 5x7 on e-bay. Universal, For Arca-Swiss, For Horseman, For Kodak, For Linhof, For SVP, For Technika, For Toyo, For Toyo Find many great new & used options and get the best deals for DAYI 6x12 6x14 6x17 Roll Film Back Magazine For 5x7 Kodak Linhof Technika Ebony at the best online prices at eBay! Free delivery for many products! Will really appreciate those who have purchased the Shen Hau’s 6x17 roll film back in the past few months to write a note on its performance. Brand New. Review of Shen Hao 6x17 field camera by Peter McDonald. Origin. Weight 1: with dark slide and film mask side g. m***3 (195) - Feedback left by buyer. This roll I've got a really like-new DaYi . Or about the same price with the Canham 6x17 Roll Film Back since it is rare on the used market and costs $1,195 new. com: DAYI Universal 6x17 6x12 6x14 Multi-Format Roll Film Back for Linhof Wista Toyo Sinar Horseman Ebony Graflex 4X5”Large Format Camera with Dark Slide and Film Mask Side : מוצרי חשמל Brand New Shen Hao 6x17 6x12 6x9 Panorama Universal Graflock Roll Film Back Film Foramt: 6x9, 6x12 and 6x17 multi format switch-able, comes with masksSuitable Film Type: 120 roll filmSuitable Lens Used: 90-150mm lensFits Camera Format: 4x5" Camera with Graflok back, the film back size is the same with 4x5 sheet film ba DAYI Large Format The 6x17 back is a great addition to any 4x5 photographer's arsenal. I bought a DaYi 617 back for my 4x5 last week, and I'm anxiously waiting for it to be delivered. Medium & Large Format Accessories. It seems that Dayi is one DAYI Multi-Format 6x12 6x14 6x17 Roll Film Back Graflex Wista Linhof 4x5 Camera. C $13. info/lenses/LF4x5 In this video, I will show you how I shoot Kodak Gold 200 film with an Intrepid 4x5 camera and a DayI 6x17 back. Made of Buy DAYI Universal 6x17 6x12 6x14 Multi-Format Roll Film Back for Linhof Wista Toyo Sinar Horseman Ebony Graflex 4X5”Large Format Camera With Dark Slide and Film Mask Side at A detailed review of the Shen Hao 6x17 film back and Dayi 6x12 film magazine for large format cameras. daniel dumitru. Package. e. 20-Mar-2005, 19:43. How well does the 6x17 back work? 2. It has been perfectly reliable for me. Main design principle is to keep it as simple as possible and avoiding special or exotic third party parts or tools. Confirming Oren's post, my Sinar Zoom back does 645, 6x6, 6x7, 6x9, and 6x12. I know there is a review of the 6X17 roll film back by. 90 shipping. Multi-Sheet Holders/Magazines. All that I remember of the exposure was that it took forever as I had to add a lot of time for reciprocity failure. </p> <p>From another thread, apparently DAYI and Shen-Hao are the same company. co. 7% positive; Seller's other items Seller's it’s very well made and assembled. Photography Accessories Type. Buy DAYI Universal 6x17 6x12 6x14 Multi-Format Roll Film Back for Linhof Wista Toyo Sinar Horseman Ebony Graflex 4X5”Large Format Camera With Dark Slide and Film Mask Side at Amazon UK. $759. DaYi is also sold under the "Focus" brand, and they also make a 6x12. EUR 727,00 Sofort-Kaufen 6d 4h. Gewicht 256023737768. Alvandi Camera Systems produce various types of 4x5, 5x7 and 8x10 inch large format and 679 medium format tilt-shift technical cameras, as well as a 6x17 panorama. Video Outline:Brief History 0:31The Human Eye 2:06My Inspiration 3:02Fi DAYI 6x17 6x14 6x12 Roll Film Back Multi-Format Holder For 4x5 Linhof Wista Toyo. Hello, comrades! Panoramic photography is my hobby, I use 6x17sm Chinese noname (Gaoersi/DaYi mix) film camera with 90mm Fuji lens. prints from 6x17 haven't convinced me, on the wall 6x12 seems to me a natural panoramic format, wheras a 6x17 is a strip. $598. The DaYi 6x17 back I had was quite sturdy and had no plastic parts, and it had a straight film path. The back attaches via a Graflok 4x5 back and weighs about the same as. 69 to C $171. It works fine, but maybe you may find the need for some "improvement", just like fixing some light leaks, tightening loose screws and so on. It didn't have a frame counter or the large roller and constant film tension of a Linhof back. g. Leicht, tragbar und ergonomisch gestaltet, außerdem für Hand- und Luftaufna It is the Dayi 6×12 and is custom made in China for each order. But whatever you call it, it's a PITA. (Although looking around, this back is attributed to. Buy It Now +$15. Find many great new & used options and get the best deals for NEW DAYI 6x17 6x14 6x12 Multi-Format Roll Film Back TOYO Linhof Wista 4x5"Camera at the best online prices at eBay! Free shipping for many products! DAYI Film Back Holder for 4x5 Camera 6x17 6x14 6x12 Roll Linhof Wista Horseman . However, I am having difficulty with the film not wound tightly enough on the takeup roll when This video shows how to load 120 film into a DaYi 6x17 multi-format back. Weight 2: focusing hood with groun In the end, I ended up with a Chinese Dayi 617 S-IIA 6X17 camera and fitted it with a Nikon Nikkor-SW 90mm f/4. Registered as a business seller it’s very well made and assembled. Would recommend if you’re looking for a 6x17 film back. or how does the 6x17 back work on a 4x5? Do I still get 17cm exposed? Im just having hard time understand how you get 17cm exposed on 5" wide camera. It allows the creation of stunning panoramic images. mytongguy (15773) 99. Stoked to get out to the high desert and make some images. Januar 2018 um 12:57; 1. It is very affordable, the camera, lens cone (adjusted for you lens ahead of time) film back, focus screen and shade, viewfinder and a Arco swiss mounting foot! All in all this ran me around $1000 and took 2 months from payment to delivery. . that's taste for sure. Mainland China. Additionally, I briefly review some of my images taken DAYI/Shen-Hao 6x17 roll film back I've also noticed this issue in perhaps 4 or 5 out of 20 rolls. EUR 500,00 Sofort-Kaufen 15d 5h. There are a few excellent pre-built options for shooting 6x17, and even larger, on 5x7: Search the following on eBay . Rick Russell Useable lenses w/ DaYi 6x17 back As someone who has this exact "kit" - a Canham 5x7 MQC and Canham 6x17 rollfilm back, my favorite lenses to shoot with the 6x17 back are the 90mm SA, 180mm Fujinon-W, and 270mm G-Claron. Type. I suppose the camera's back side is about 7x7 inches (or slightly more), so the dayi back has to go as it was a fidelity film holder. Top Rated Seller Top Rated Seller ecbuyonline2008 (20,139) 99. or Best Offer +C $41. I have googled a lot about this topic but did not Then turned back the saw tooth ring to be snug with the cone and tightened then two small screws again. I have the DAYI back and use it for 6x17 shots. Here are my 2 cents on the 6x17 options. ) 1. Siehe Details. 62 for 24 months with PayPal Credit * Condition: New New. I DAYI 6x17 6x14 6x12 Roll Film Back Multi-Format Holder For 4x5 Linhof Wista Toyo. i Also--6x12 is 2, 4, 6, 8, 10, 12 (using the 6x6 number series, as does 6x17), and 6x9 is 2, 4, 6, 8, 10, 12, 14, 16 using the 645 number series, on my DaYi back. Even with the darkslide out. Discover the pros and cons of these accessories and see sample images captured The Dayi 6x17 back is cleverly designed for 4x5" cameras. Customer Reviews. the 6X12 back. I had a DaYi 6x17 back (also could do 6x12 and 6x9), and it was light tight and seemed to keep the film flat. 1 sold. I considered a Dayi back for my Wista 45 DX but it's got a spring back, in addition it limits the use of I bought a 6x17 DaYi two years ago after having bought the 6x17 back and a 6x12 back both for my Wista and Technika 4x5" before. 65. largeformatphotography. Brand New · Da Yi. 53. It's never been significant enough to effect the film although I won't be particukarly suprised one day when a roll is ruined. Januar 2018 um 12:57 #1; Das DaYi und das Shen-Hao sind, soweit ich weiss, identisch. IVORY 8'-6" X 12' Back Stain Rug, Reduced Price 1172749693 SG151-1212-9. Focus is dead-on and film flatness is excellent. View Full Version : DAYI/Shen-Hao 6x17 roll film back. 8% positive; Seller's other items Seller's other items; Contact seller; DAYI. There are a lot of these Chinese 6x12 and 6x17 backs for 4x5" cameras out there, all of fairly similar design, some with slightly better or worse construction. 75mm is VERY wide and would seem to be limited in applicability to a broad variety of real-world situations, at leats for landscape In this video, I discuss my experience using the Dayi 6x17 panorama back over the course of 11 years. Made of metal, multi-format designed with 6x17, 6x14, and 6x12. Amazon. with 4x5 film and then cropping to a panoramic image? 3. Since most of us will be using extreme wide angle lenses with this back I’d especially want to hear anything regarding film flatness (and the flatness of the back itself when mounted on the camera) if any one has done any test on it. Arrived surprisingly quickly. With the ability to use large format movements, you have the ability to manipulate your image like no other Trying a new (to me) B&W film through my 6x17 back on my Intrepid 4x5 camerahttps://intrepidcamera. Skip to content New Arrivals Cameras Lenses Film Accessories Da Yi 6x17 Roll Film Back for 4x5 - Accessory Availability & Price History Date Sold SKU Quality Control Price Image; 03 Jan 2023: T34098: € 399. Model Number. Brand New · The Canham motorized 6x17 back for 5x7" cameras is a different concept and there are other threads for that. the other day. Material: made of metal, multi foramt design for 6x17, 6x14, 6x12. Its film plane is a couple inches back from the 4x5's normal plane, so you get a bigger image circle, big enough for 6x17cm. DAYI Film Back Holder for 4x5 Camera 6x17 6x14 6x12 Roll Linhof Wista Horseman . Lens is the Nikkor-W 1:5. If you want to go 6x17 on a 4x5 camera, the only option I've seen is the Dayi 6x17 back for around $700. "New DAYI 6x12 6x14 6x17 Roll Film Back Magazine For 5x7 Large Format Camera"; this is a multi-format film back that fits into a 5x7 camera back just like a standard film holder, and comes with masks used to close off the 120/220 to fit the panoramic format I have a DAYI 6x17 camera back for my 4x5 and love the Schneider 110 XL. offizieller Beitrag. Rollfilm Back Magazine bis 6x12. I try to minimize it by placing some extra tension on the film as it is loaded and giving an extra wind or two before <p>The Canham back doesn't have the setback and so would be a better choice for 5x7 cameras, but it is more expensive. Perfect ConditionSuper fast shipping! This is my first purchase from this seller. It won't have the P&S shoot simplicity and ruggedness of a Fotoman 617. 00 shipping. Dayi 6X12 Shift Camera With 90mm F/8 Super Angulon Copal, Finder, 6X9/6X12/6X17 Multi-Format Roll Film Back, 6X9/6X12/6X17 Multi-Format Roll Film Back, Ground Glass Viewer ; This product is currently out of stock. Kodak Gold 200 is a color negative film that Free delivery and returns on eligible orders. Every image had the same problem. flickr (really out of date) Photography (even more out of date than flickr) I am so happy to report that the 6x12 DaYi back was able to hold all of it's darkness in. According to the dealer I emailed, the Dayi 6 x 17 film back has a dark side. DAYI 6X17 6X14 6x12 Roll Film Back Multi-Format Holder Für 4x5 Linhof Toyo Kame - EUR 727,00. Cons (versus PTB 617) DAYI 6x17 Roll Film Back For 5x7 Large Format CameraBrand new DAYI 6x17 multi-format roll film back for 5x7 large format camera, solid metal build, fits almost all 5x7 view and filed cameras with an universal Graflok back. Two gentlemen playing chess in Dupont Circle in Washington, DC. This section is located on the far right of each image. 6/130mm. The This video shows how to load 120 film into a DaYi 6x17 multi-format back. A brand-new, unused, unopened, undamaged item in its original packaging (where DAYI Film Back Holder for 4x5 Camera 6x17 6x14 6x12 Roll Linhof Wista Horseman . 00 USD Sale price $575. $25. To All, I recently purchased the above noted back for my camera and am pleasently suprised with the overall quality of build, film flatness, and ease of use. Having had some medium format cameras where the timing in the film advance Hi. eTone. Biggest downside is the limited lens range, 90-150mm (cuts off even on my 180mm Symmar-S). Manual film winding and t ESTIMATED BUILD TIME - 3 WEEKS Complete 6x17 rollfilm setup, to be used with any Graflok-compatible 4x5 camera. For the most part, this fogg Hi all, In order to find out if my Wista 45SP is able to accomodate a short enough wide lens (e. 6%. My first pano with the DaYi 6x17 120 back. Fits 90mm to 150mm lenses. Linhof, Sinar, Wista, Toyo, Horseman, Ebony, Graflex etc. 74. Shen Hao TFC617-A Panorama Camera (bubble spirit levels will not come with because of international shipping limitation!) Material used: Black Walnut, Aluminum Alloy Front: Rise 56mm, Fall 22mm, Shift ±36mm, Swing ±45°, Tilt DAYI 6x12 6x14 6x17 Roll Film Back For Deardorff Ebony Kodak Toyo Rittreck 5x7. The basic idea is borrowed from the chinese DaYi / ShenHao roll film backs. 9. Sponsored. Related items. $599. 6x17 back for graflock 4x5' large format backs. 180mm up with dark corners. New DAYI Film Back Magazine for 4x5 Linhof Wista Sinar Toyo Cambo 6x12 6x9 6x6. Customer Reviews Specifications Description Store More to love . net site, but nothing on. k. Fits: any brands 4x5 cameras that with Graflok back, e. This lens is incredibly sharp, wide but not too wide, and has a huge image circle which means no vignetting and plenty of room for movements. Results are great!! This back would appear to differ from the DAYI version in that it has a single (one piece) film pressure plate rather than 2 smaller plates. $29. To advance the film, you need to open up the little window on the back of the holder and stop it when specific frame numbers appear in the window. Comes with 2 masks that allow you take on multi-format, 6x12, and 6x14. A very Would recommend if you’re looking for a 6x17 film back. I have had the shen hao, it worked nicely and I can't say anything about the dayi, haven't seen it yet. Nice write up, thanks for sharing. DAYI 6x17 6x14 6x12 Roll Film Back Multi-Format Holder Für 4x5 Linhof Toyo Kame. tmxdiver; 9. ecbuyonline2008 (20482) 99. Most options (fuji G617, Linhoff, Horseman) lack the ability to swap between film backs and ground glass mid-roll. Breguetcamera (12623) 100% positive; Seller's other items Seller's other items; Contact seller; US $615. Diese Kamera eignet sich besonders für Panorama-Landschafts- und Architekturaufnahmen. 5 lens. nevertheless I'm back to 9x12. But there seem to be two different inexpensive 6x17 backs from China. Discover the pros and cons of these accessories and see sample images captured with these film backs. DAYI 6x17 6x14 6x12 Roll Film Back Multi-Format Holder For 4x5 Linhof Wista Toyo. On a few occasions I have shot with a 75mm Nikkor SW with pretty dramatic results. $15. ecbuyonline2008 (20317) Business Registered as business seller. Only 3 left. A search should turn up a few relevant threads here with links to the APUG threads, where I've posted some sample images. 5X7DY617HB. Linhof Wista Toyo Sinar You can imagine my surprise when I realised a few months ago that the Chinese DAYI 6x17 roll film back was being made available to owners of cameras with a graflock back (ME!). This video is about panoramas and the DaYi 6x17 Roll Film Holder for 4x5 View Cameras. tmxdiver. Weight 2: focusing hood with groun CHOOSE FROM MULTIPLE SIZES，BEST QUALITY，FAST SHIPPING. Compatibility: Fit any brands 4x5 large format camera that come with Graflok back, e. uk/https://www. The Dayi 6x17 back is cleverly designed for 4x5" cameras. Kerry describes one and Paul the other I just got back from the lab my first 2 rolls of 120 using a DAYI 6x12 film back. V with Ilford FP4+. ecbuyonline2008 (20,214) 99. Additionally, I briefly review some of my images taken Les meilleures offres pour DAYI Multi-Format 6x12 6x14 6x17 Roll Film Back Graflex Wista Linhof 4x5 Camera sont sur eBay Comparez les prix et les spécificités des produits neufs et d 'occasion Pleins d 'articles en livraison gratuite! Roll film back for shooting 6x12cm format with 4x5 cameras. Almost gone. Verified purchase. More accurately, it would described as a fog problem. I found that a 210mm lens produces an usable image more like 6x15cm, but it may be different with different camera and lens combinations. Each image has a 8mm section that is clearly underexposed compared to the rest of the image. I have the DaYi 6x17 back, and I find it useful. I've also posted about the DaYi 6x17 back here and on APUG. Shen Hao also produce a 6 x 17 extension ground glass viewer/film back combination to fit any Graflok 4 x 5 camera. 6. Compatible Brand. Try a search on "DaYi" and you should turn up one or two threads on the DaYi 6x17 back, which is similar to the ShenHao, and a few others. It certainly won't be cheaper than the 6x17 back on a 4x5 for the dabbler segment. 00. 49 In this video, I discuss my experience using the Dayi 6x17 panorama back over the course of 11 years. Up to a 120 mm lens you can use the whole format of 170 mm, with a 150 . C $1,096. I have owned and used such, and while it saves carrying another complete camera, weight is similar around 1500 grams, usage can be a little awkward , and there is a A detailed review of this versatile 6x17 multi-format camera. Hi, Ginette. Please contact a KEH photography expert to DAYI 6x17 6x14 6x12 Roll Film Back Multi-Format Holder For 4x5 Linhof Wista Toyo. Is it really significantly better or different from just shooting . mm lens you can still use 164 mm and with a 210 mm lens there are still 148mm. 6 Nikkor-W (200mm image circle @ infinity, stopped down to F22) - it's a relatively cheap and small/light lens which gives ~25 degrees vertical, ~54 degrees horizontal and ~58 degrees diagonal angle of view on 6x14 format (same Uses 120 roll film for 4 6x17, 5 6x14 or 6 6x12 exposures. Skip to content New Arrivals Cameras Lenses Film Accessories Da Yi 6x17 Roll Film Back for 4x5 - Accessory Availability & Price History Date Sold SKU Quality Control Price Image; 03 Jan 2023: T34098: € 399,00: I am having a flare problem with my DaYi 6x12 back. back on a 4x5? (I am thinking of getting one as a Xmas gift for me and my Shen-Hao . Sinar 23 Digital Rückteil #551. When using the back without a mask (i. dhkfk kaplcqy qfim sbxt fajzon zevvqzqz qrfay vwv hqeqy wyurv