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  在Lumia 1020的設定中的關於介面內顯示手機型號為諾基亞 909,與同樣主打攝影功能的諾基亞 808 PureView有著相同的命名方式。

  PureView是使用於Lumia 1020的影像技術。它使用高達4100 萬畫素、1/1.5",並搭配 Carl Zeiss 鏡頭組的感光元件。此技術支援畫素超取樣,也就是將周圍的許多畫素合併為單一畫素。 PureView影像技術提供優良的影像品質、無損數碼變焦,及在低光源環境下提升效能。它的數碼變焦捨棄幾乎絕大多數智慧手機常用的插補點技術。在拍攝相片及錄製影片的時候,該技術在較低的影像輸出尺寸下提供更好的變焦品質,能夠在錄製1080p的全高清影片時提供4倍無損變焦,或是在720p的錄影解析度提供6倍變焦。光學防手震能夠在拍攝相片及影片時抑制手持晃動的模糊現象,而且也可在低光源環境下以光學防手震延長快門開啟時間,提供更好的品質。  有些評論者指出Lumia 1020的相機在某些特定狀況可能會發生鏡頭耀光及白平衡失常的現象。  而Lumia 1020的相機啟動時間為6.1秒,500萬畫素相片的拍攝處理時間為3.6秒,3800萬畫素的拍攝處理時間則是4.2秒。  Nokia Lumia 1020搭載了4130萬畫素背照式CMOS感光元件,尺寸為1/1.5吋(2/3吋),總畫素為7712×5360。4:3的影像尺寸為7136×5360畫素(3820萬畫素),16:9的影像尺寸為7712×4352畫素(3360萬畫素)。單一畫素尺寸為1.12微米,元件尺寸為8.80×6.60毫米,焦距轉換率為3.93×35mm,16:9等效焦長為25mm,4:3的等效焦長為27mm,光圈為2.2。  Nokia 808 Pureview搭載4130萬畫素CMOS感光元件,尺寸為 1/1.2 吋,總畫素為7728×5368。取決於使用者的拍攝長寬比,在預設的相機軟體的16:9影像尺寸為7728×4354畫素(3360 萬畫素),4:3影像尺寸為7152×5368畫素(3820萬畫素)。使用專業拍攝(Nokia Pro Cam)軟體可拍攝完整的感光元件尺寸,儲存超過30M檔案大小,完整解析度(7728×5368,4148萬)的相片。單一畫素尺寸為1.4μm,元件尺寸為10.67×8.00毫米,焦距轉換率為3.2×35mm的16:9等效焦長為26mm,4:3則是28mm,光圈為2.4。  光圈為2.2的單群6枚鏡片Carl Zeiss 鏡頭。焦距為 7.2 mm,35mm的16:9 等效焦長為25mm,4:3的等效焦長為27mm。所有鏡片皆採非球面鏡片,其中一枚使用高折射率低色散非球面玻璃鏡片。

  光學防手震—使用新型的滾珠位移作動方式,擁有良好的位移量,也增加鏡頭模組的組裝複雜度。  使用低延遲機械快門,快門開啟長度為1/16000秒至4秒。  採用支援超取樣及無損變焦的整合式影像處理器,並搭載每秒可處理超過10億畫素的整合式影音處理器,錄製全高清影片(1080p)時能作四倍無損變焦,並且降低噪聲及提升動態範圍。

  知道您的小工具(KnowYourGadget)的卡瑪拉薩(Kamalahasan):「Nokia Lumia 1020 is a great improvement over the Nokia 808. The camera is just superb and one of the best we have seen on a mobile device. If you need a simple smartphone and your phone doubles as your point and shoot, this is the device for you.」  滄者極限的布賴恩·克盧格(Brian Klug):「I think it’s fair to say that once again Nokia has basically set the bar for the rest of the smartphone imaging world – in terms of both hardware and software features.」  美國雜誌Finnamore的評論家克里斯(Chris Finnamore):「Simply stunning photos make the Lumia 1020 the ultimate cameraphone.He gave it five stars and awarded it the Expert Reviews: Ultimate award, which places it among other high-end flagships such as the Galaxy S4 and the iPhone 5S, which also received the award.」  數碼攝影諢論網站的艾琳洛(Erin Lodi):「Despite the lower lighting level, the Nokia is able to out-perform its rivals by a healthy margin. Fine detail is better maintained and the image is generally "cleaner." This benefit (that comes from a combination of a larger sensor and the noise-reducing effect of downscaling images), is one of the significant advantages of Nokia's decision to use a large sensor in a smartphone. Whether you look at the resolution stripe on the left of the image or the etched portrait on the right, the 1020 is significantly out-performing its rivals.」  The Verge的大衛·皮爾斯(David Pierce)則評論道:「this is a remarkable phone, hampered by its operating system.」  科技新時代的Dan Nosowitz:「Nokia's new Lumia smartphone has amazing hardware (especially its unprecedented 41-megapixel camera). And it doesn't matter at all, because its software lags so far behind its hardware.」  衛報的查爾斯·亞瑟(Charles Arthur):「The Finnish phone maker released its remarkable Lumia 1020 phone with a 41-megapixel camera - but it's still missing native apps for low-quality Instagram, Vine and Snapchat」  PC雜誌的吉姆·費舍爾(Jim Fisher)和薩沙(Sascha Segan):「The Lumia 1020 is a big step forward for camera phones, but the step isn't complete. Nokia's sensor and lens advances must be paired with a CPU and image processor fast enough to make shooting effortless, and Windows Phone's creative app gaps need to be filled in.」  Gadgetmania網站的一位評論家:「If you absolutely need the best camera on a smartphone and don’t mind Windows Phone 8 and spending a good chunk of money upfront, the Lumia 1020 is worth looking at, but I don’t expect it to be very popular.」

  有些使用者報告Lumia 1020電池消耗過快和容易發熱,隨後則會自動重新開機或處於宕機狀態,而且其語音通話和WiFi質量也未如理想。 在微軟釋出Windows Phone 8.1更新後也為Lumia 1020帶來一些問題,包括手機可能會隨機停機。不過,微軟後來已經解決了該問題。

  Lumia 1020曾經出現在多個MV和電影中,其中包括:
諾基亞Lumia 1020是一款諾基亞2013年7月11日釋出的以Windows Phone 8平臺所開發的智慧手機。它擁有一個支援拍攝4100萬畫素相片的卡爾蔡司認證鏡頭,透過諾基亞研發的超取樣(Oversampling)和純景技術(PureView),再加上背照式感測器(Back-illuminated sensor),把七個畫素點歸一,令相片質素提升至最清晰地步。