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420-800mm Telephoto Lens - F Lens for Nikon DSLR, Manual Focus MF Zoom Lens for Nikon D3500 D850 D7500 D5600 D3400 D500 D7200 D5500 D750 D810 D3300 D5300 D610 D7100 D5200 D600 D3200 etc

420-800mm Telephoto Lens - F Lens for Nikon DSLR, Manual Focus MF Zoom Lens for Nikon D3500 D850 D7500 D5600 D3400 D500 D7200 D5500 D750 D810 D3300 D5300 D610 D7100 D5200 D600 D3200 etc

Q: Why do I get the error page “Lens not attached” after installing our lenses?

Since there are no electronic contacts to recognize the lens, you cannot press the shutter button to take a picture and the “Lens not attached” error page appears. After switching to M, the error page disappears and it will work normally.

Q: Why does my picture out of focus and very blurry?

Since our lenses are manual lenses, there are no electronic contacts for autofocus. Need to turn the focus ring (on the front of the lens) for manual focusing. If it is still blurry, use a tripod and time-lapse function to keep the image stable.

Q: Why is F-- displayed and how can the aperture value be set?

As the manual lens has no electronic contacts to recognize the aperture value, “F--” is displayed. The aperture value can only be adjusted automatically by changing the focal length. (420mm/F8.3 →500mm/F10→600mm/F12→700mm/F14→800mm/F16)

Q: What if the image turn out bright?

If the image is too bright, lower the ISO (e.g. from 200 to 100) to reduce the light sensitivity and increase the shutter speed (e.g. from 1/125 to 1/250 sec.) to reduce the exposure and avoid overexposure.

Q: What if the image turn out dark?

If the image is too dark, increase the ISO (e.g. from 800 to 1600) to increase the sensitivity and decrease the shutter speed (e.g. from 1/250 to 1/125 sec.) to allow more light onto the sensor.

Product ID: 697949545

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Details

Brand
BENOISON
Focal length description
420-800mm
Lens type
Telephoto
Compatible mountings
Nikon F
Camera lens description
Telephoto Lens
Maximum focal length
800

🎯420-800mm super telephoto reach

🔩Durable high-quality build

⚙️Manual focus precision control

Frequently Bought Together

BENOISON Telephoto Lens for Nikon - F Lens 420-800mm for Nikon DSLR, Manual Focus MF Zoom Lens for Nikon D3500 D850 D7500 D5600 D3400 D500 D7200 D5500 D750 D810 D3300 D5300 D610 D7100 D5200 etc

Front Body Cap and Rear Lens Cap Cover for Nikon D7500 D7200 D7100 D7000 D5600 D5300 D5200 D5100 D3500 D3400 D3300 D3200 D3100 D850 D810 D800 D750 D600 D90 D80 More Nikon F Mount DSLR and Lens

Description

🔭 Zoom beyond limits, focus on what matters.

ROBUST RELIABLE - Crafted from premium materials to withstand your adventurous shoots and last for years.
UNMATCHED ZOOM POWER - Capture distant wildlife and moon shots with an impressive 420-800mm focal range.
PRECISION MANUAL FOCUS - Fine-tune your shots with a smooth, tactile focus ring for razor-sharp clarity.
SEAMLESS NIKON F MOUNT - Directly compatible with a wide range of Nikon DSLR models—no adapter needed.
OPTIMIZED APERTURE RANGE - F/8.3 to F/16 aperture ensures sharp images even at extreme zoom levels.

The BENOISON 420-800mm Telephoto Lens is a manual focus zoom lens designed exclusively for Nikon F-mount DSLR cameras. Offering an extraordinary 420-800mm focal length with a fixed aperture range of F/8.3 to F/16, it delivers exceptional reach for wildlife, sports, and astrophotography enthusiasts. Built with durable materials and a direct F-mount connection, this lens eliminates the need for adapters, ensuring seamless compatibility with a broad spectrum of Nikon D-series cameras. Perfect for professionals and hobbyists craving precision and extended optical zoom in a robust, manual-focus package.

Specifications

Package Dimensions L x W x H	27.7 x 8.7 x 8.4 centimetres
Package Weight	0.72 Kilograms
Product Dimensions L x W x H	24 x 6.7 x 6.7 centimetres
Brand	BENOISON
Camera Lens	Telephoto Lens 420-800mm, F Lens for Nikon DSLR (D Series), MF Manual Focus
Colour	Black
Included components	Lens Cleaning Cloth, Telephoto Lens F mount, User Manual
Lens Fixed Focal Length	420 Millimetres
Max Focal Length	800 Millimetres
Min Focal Length	420 Millimetres
Plug profile	Nikon F
Part number	420N--F
Size	For Nikon F (D-series)
Warranty description	1 year
Water Resistance Level	Not Water Resistant
Zoom Type	Extended Optical Zoom
Lens Design	Zoom
Focus type	Manual Focus
Aperture Modes	F8.3-F16
Style	For Nikon F (D-series)
Guaranteed software updates until	unknown

Have a Question? See What Others Asked

Why do I get the error page “Lens not attached” after installing our lenses?

Why does my picture out of focus and very blurry?

Why is F-- displayed and how can the aperture value be set?

What if the image turn out bright?

What if the image turn out dark?

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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